Match Application Number Document Title
1 85102770 Technology of de-hairing with triethanolamine
The technological method is charateristic of using triethanolmine as de-hairing accelerator and de-hairing in the drum at an appropriate temperature, liquid ratio and with appropriate am...
2 85101599 Leather softener and depilatory
According to the requirement of the leather making technology, proteinases, which soften the leather and remove the hairs from it, is chosen as the raw material for making depilatory pre...
3 85102368 Synthesis of polymer coating material for leather
The material of this invention is synthesized with monomers such as acrylic ester, chlorobutadiene, acrylonitrile, styrene and acrylic acid, etc. Under a set of definite conditions. The ...
4 85104484 Rocking rotary drum
Rocking rotary drums are main equipment in leather industry. By appropriately arrangement of these drums in plant building and by using moving cranes, operation may be carried out automa...
5 85103482 Leather fallowing additive and its preparation
Raw material lard is processed by degreasing, deacidifying, water washing, drying, fat reforming in presence of metal alcoholete catalyst, and final crystallizing and pressure filtration...
6 85103018 Degreaser produced by papermaking wastes-white clay
The degreaser of this invention consists mainly of (35-90% by weight) a mixture of papermaking wastes-white clay, the other components being: surfactants (0.8-25%), sodium hydroxide (0-1...
7 85100819 New pollution-free tanning technology
Main points of the present invention: recycle of sulfide, no water washing in the process, hence no pollution of sulfide ion in waste liquor; reducing the amount of lime used in the proc...
8 86102129 Paraffin emulsion with high stability
In this invention paraffin is used as main material, combined with certain amount of posing agent, new emulsifying agent and water, to produce emulsion by phase changing emulsification, ...
9 86102134 Cleaner for leather products
This invention relates to a new type of cleaner for cleaning and polishing the surface of leather products. It is composed of rosin oil, pure white oil, and lead naphthenate or manganese...
10 85106004 Aqueous Emulsion Polishing Agent
A polishing agent comprises polyurethane emulsion, water and additives. It is strongly adhesive and dries fast. It is not poisonous, and odourless. Its use makes the leather highly gloss...
11 86107040 Widely suitable fur wetting agent
A widely suitable fur wetting agent is prepared by mixing of nonionic sulface active agent such as polyethylene oxide nonyl phenol ether, alkyl sodium sulfonate, polyethylene oxide/polya...
12 86107461 Process for preparation of fish skin
In preparation of fish leather, the skin is flocculated and (partly) degreased in a bath with little water, contg. anionic, nonionic or amphoteric surfactants, the skin is treated under m...
13 86106307 Thermoplastic leather material and its prepn.
A thermoplantic composition of matter is provided, subatantially consisting of leather (as herein defined) and optionally including additives and/or fillers, and obtained by objecting th...
14 87100184 Vertical type hydraulic control pelt defatting machine
The present invention is related to a kind of vertical type hydraulic control pelt defatting machine. It comprises three working positions. The automatic feed and automatic charging are ...
15 86108160 Process for preparing fluorinated acrylic monomers polymers
The invention relates to fluorinated acrylic monomers of the formula(II)in which A and W denote divalent linkages, R is a hydrogen atom or a methyl radical, RF is a perfluoroalkyl radical...
16 86106575 Fluoroacrylic acid monomer and its derived polymer used as bases
The invention relates to fluoroacrylic monomers of formula: in which Rf denotes a perfluoroalkyl radical, R is hydrogen or a methyl radical, R
17 87104831 Preparing method of greasing agent for leather
This invention provides a preparing method of greasing agent for leather. It has solved the problem that fish oil is esterifed by alcohol. This alcohol esterifying technology features th...
18 87102642 Application of sulfhydryl sodium in lime soakage of pig leather
The aims are that (1) making pig leather swell even in soakage, improving the quality, all piece of leather is soft and level; (2) increasing high-grade leather; (3) raising ratio of fin...
19 88100051 Tanning method for fowls'down (s)
It adopts less amt. of reagent in bleaching to remove the stinking smell, and a unique prescription and tanning process to achieve the end. The method offers a new way for tanning fowls'...
20 87107924 Process for production of leather intended for making uppers of footwears and p...
A process for the production of leather intended for making uppers of footwears to be worn in the spring-summer period, in which process, after the traditional bath working step and durin...
21 87106823 Chrominum extinctive absorption in hide processing
Naked hide obtained from conventional process is tanned by chrominum extinctive absorption process for deashing and softening the raw hide simultaneously, using ammonium salt and sodium ...
22 88103066 Depilation technology using triisopropanolamine
This depilation technology uses triisopropanolamine as its depilating accelerant. Under proper temp. and liquid ratio, appropriate sodium hydroxide is added in and the hair can be remove...
23 88101081 Method of tanning horse hide
This invention relates to the method of tanning horse hide. The horse leather, tanned according to the prior art, can only be processed into leather for shoe soles and suitcases, because...
24 88107924 Process of tanning of fowl goose down leather
The feature of this invention is the adoption of an aluminium tanning technology with re-impregnation of water. By application of unique formulation and unique tanning technique, the aim...
25 88109145 Process for preparation of goose down powder puff and fur
This invention relates toaprocess for preparing goose-down powder puff and fur. Going through such processings as degreasing by emulsifier of organic solvent, removing dirt, tanning by s...
26 88106317 Prepn. of composite fatting agent for leather composing of sodium aliphatic ami...
This invention relates to an industrial chemicals used for leather. During leather-processing, fatting agent should be used to make it soft, smooth finished, sufficiently resilieat and i...
27 89105202 Non-pollution dual tanning technology for glutaric aldehyde pigskin leather
The tanning technology of pigskin is present in the invention in which the tanning material with rare-earth elements and low content of chromium is used to tan first and the glutaric ald...
28 88108988 Dispersion-type water-soluble leather fortifier
This leather fortifier is made from such raw materials as colloidal calcium carbonate, the emulsion of ammonium oleate, sodium alginate and phenyldimethyldibutyl ester. With this inventi...
29 89105920 Aquo-latex coatings at the surface of leather
The present invention relates to an aquatic emulsive decorating material for applying to surface of leather, composed of nitrocellulose, long oil and non-drying alkide resin, middle oil,...
30 89101569 Tanning about goose down fur and its products
This invention relates to a technology for processing raw goose-down hide. Its main processes include immersion in acid, tanning and washing for removing oil on hide and degreasing. The ...
31 89106177 Process for preparing goose down skin
By means of special apparatus, the mechanical and chemical treatments of goose down skin are participated, including stirring wash, extruding defatting, tanning and drying. The goose dow...
32 89104225 Processing method of eider-down and goose down furskins
This invention includes:water-soaking, meat-removing, pickle, organic aldehyde tanning, neutralizing, drying, organic solvent defatting, moisture regain fatting, perching and finishing p...
33 89105111 Goose down fur and its ripening process
The present invention relates to a goose down fur product and its tanning process. It belongs to the field of hide tanning technology. The goose down fur is one made through that the kil...
34 89104116 Damage-repairing and dulling agent for leather and its preparation process
Said invention refers to a leather mending dulling agent for modifying granular surface bruise of leather. The components of this agent in weight percentage are polyacrylamine 3-9%, emul...
35 89105170 Productive technique for degreasing and tanning goose down hide
This invention features use of immersion and modification technology to remove the fat and harmful proteins in the hide, such as albumin, chromoprotein and globulin. The treated hide is ...
36 89106174 Method for tanning fowl (duck or goose) down skin
According to the attribut and constitution of duck and goose down skins, a new unique, technology for tanning of fowl down skin to fur is proposed in this invention, including such proce...
37 89109660 Productive technology of soft ass leather
This invention relates to a technology for the production of soft ass leather which comprises strengthening treatment by coating ash before cutting hair and immersing in ash, removing as...
38 90101445 Depilation process by liming and enzyme method featuring complete solution of s...
The present invention refers to a novel process for the depilation of skin from pig, ox or sheep. The said process does not use sodium sulfide, thus eliminating sulphur pollution, as wel...
39 90105757 Method for mfg. bleaching chromium-containing synthetic compound tanning agent
The present invention relates to a manufacturing method of bleaching chromium-contained synthetic complex tanning agent. It uses phenol or cresol or mixed phenol and concentrated sulfuri...
40 90105756 Mfg. mehtod for auxiliary bleaching synthetic tanning agent
The present invention relates to a manufacturing method of auxiliary bleaching synthetic tanning agent suitable for processing light color and white apparel leather and soft face leather...
41 90103748 Method of positive ion currying work for leather
The invention is referred to prepartion method for a kind of novel cation esteritying agent. It is prepared by dimethyl-octadecy amine and chloroparaffin wax through two stages of polyme...
42 90105115 Technique for making fur coat with goose down
The invention provides an improved tanning process in which the tanning is carried out with formaldehyde tanning liquor made of formaldehyde, sodium sulfate, sodium chloride, sulfuric ac...
43 90103562 Method for making light leather
This invention discloses a method for making a kind of light leather, in which traditional or modern tanning technology is used to treat the oil membrane on the tallow in the body of mam...
44 90104347 Defatting agent for goose skin and the relevant tanning process
The defatting agent now available for processing goose skin uses gasoline, petroleum ether, and trichloromethane as raw materials, hence it is inflammable, poisonous, unsafe, and polluta...
45 90103170 Chromium-rare earth hides-tanning waste chromium liquid closed cycle technology
The invention is related to tanning technology, specially the circulation utilization of chroming waste liquid. With the invention environment pollution is reduced. The waste liquid cont...
46 90105382 Processing method for tanning down fur
The feature of this invention is that a complete down skin is treated by (a) water impregnation and washing, (b) defatting, (c) water reimpregnation and rewashing, (d) re-defatting, (e) ...
47 90105193 Making method of multi-functional acrylic acid double tanning agent
A fabrication method of compound tanning material for tanning of hides is published in this invention. The crude materials are methylacetic acid and propionate, sulfating oil and long ch...
48 90105556 Grease increasing agent for leather
This invention is a formulation of grease additive for leather. Its feature is that it forms with the sulphited rape oil ( or sulphonated rape oil ) as main material and cooperated with ...
49 90106257 Productive technology of fragrant fur
A fragrant liquid used according to this invention is made up of perfumery, fragrance modifier, blender, fragrance fixing agent and diffusing agent in a proportion of 4:1.2:1.5:3:0.3 by ...
50 90106256 Non-salt composite tanning technology for fur
This technology features as follows: neutral salt is not used in whole tanning process; an "immersion in aldehyde" step is added; aluminium sulfate is added in during "immersion in acid"...
51 90110222 Fur leather producing method and use
A production method of fur beather and application are published in this invnetion. The crude material is horse skin and little ox skin. The bright and smooth fur leather products are ma...
52 90109477 Production process for chrome tanning of cattle hide and its products
The invention relates to a processing technology for high quality leather. The innovation lies in the leather processing steps wherein the soaking step adopts accelerated dipping in the ...
53 91108102 Preparation process of anion-type water-thinned polyurethane for tanning
In this invention, vegetable oil modified polyhydric alcohol is reacted with excess poly-isocyanate, and a prepolymer of polyurethane with end group of isocyanate is formed. Then the mol...
54 91107100 Preparation process of cation-type water-thinned polyurethane for tanning
In this invention, vegetable oil modified polyhydric alcohol is reacted with excess poly-isocyanate, and a prepolymer of polyurethane with an end group of isocyanate is formed. Then the ...
55 91109906 Space leather
The space leather is the leather or leather products whose inner surface or outer surface or both inner and outer surfaces are painted with metal. It can reflect the infrared ray, thus g...
56 91109327 Spray finishing agent for white leather products
This spray finisher for white leather product is prepared up with such raw materials as butyl or ethyl acetate as solvent, acrylic resin as solute and powdered TiO2 as whitening agent by...
57 91108842 Method for tanning base leather with combination of urea cycle with plant tanni...
According to this invention, ureidocycle tanning agent is added during pickling pretreatment in existing technology where bottom leather is quickly tanned with plant, and then general pi...
58 91106806 Preparation method for fatty-forming agent of multielement advanced fatty acid
This method mainly features that the oil in which the content of unsaturated fatty acid is higher is used as raw material and comprises technological steps such as hydrolysis of oil and ...
59 91111009 Process and its formulation for casein cement adhesive
The invention belongs to high molecular composite material. It mainly solves the problems of hard film forming, short in softness, no ductility, easy to break, high hygroscopicity and mi...
60 92106877 Process of zirconic tanning leather
The feature of this invention is that zirconium salt, along with solution of soluble salt of benzene polycarboxylic acid possessing three or more carboxy groups or its acid anhydride, is...
61 92102407 Tanning technology for snake skin
The present invention relates to a tanning process of snake skin. Said process uses the snake skin as the raw material. The product obtained by use of said process features the pure whit...
62 92108042 Delustering agent for leather wound mending and its producing method
The invention provides a delusting agent made from polyacrylamide, film forming agent and other materials, it can be used both for dark and light colours, leather, not only for surface w...
63 92110084 Special efficacy strengthening binding agent for leather and its preparation me...
The present invention relates to a special-efficacy strengthening binder used in leather processing. It uses various organic compounds, solvent and catalyst to make extraction by means o...
64 92105436 Waterproofing agent for leather
The waterproofing agent can prevent water from permeating leater without influence to air permeability of leather. It consists of wax and its chloride, volatile solvent, atomizing agent ...
65 92111015 Method for tanning dry-washing clothes leather using fat added carbamide ring t...
In softened waste liquid or clear water, alkyl sulfo ureane tanning agent C12 or/and C13 and methylol ureane tanning agent C12 or/and C13 is applied to treat penetratable naked leather, ...
66 92110320 Retanning technology for leather
New technology for retanning leather includes such technological steps as preheating and rotating drum, into which wetted leather and hot water (temp. of liquid in drum at 30-37 deg.C) a...
67 92107845 Tension tanning method of leather
Hide is firstly stretched and fixd, and then it is tanned. As compared with traditional drum tanning process, it possesses advantages of simple equipment, convenient operation, high yiel...
68 92114003 Leather making technique of China modified sheep pelt
A technology for processing hides of improved Chinese sheep includes curing raw hides, acid pickling, degreasing, chrome tanning, etc. and features 30-35 deg. Be of depilatory paste conc...
69 92108643 Special handicraft colour leather and its producing method
The present invention relates to a coloured leather and its colour dyeing process. It is characterized by that the dye used for chrome leather is an anionic ion composite dye, consisting...
70 92112876 Manufacturing method for air permeable and water-proof leather
Natural leather itself has air permeable nature. If water-proofing matter is coated on it to fill the gap between leather fibre bundles, or the after-wetting angle between fibre surface ...
71 93103136 Leather-nap combining method and its products
The invented leather-nap combining method includes such technological steps as selection of leather, degreasing, washing, stuffing, softening, fixing leather, spreading adhesive, transpl...
72 93102993 Tanning technique for snake leather, its leather material processed by said tec...
The technology for tanning snake skin is disclosed. The snake skin that has been tanned by said technology features fine and white grains and unique penetrative and wetting characteristi...
73 93110008 Sealing cowleather ring
A U-shaped cowhide leather sealing ring is made up through such step as blanking, immersion, moulding, shape fixation and trimming and features high temp., high pressure, oil and ageing ...
74 93103826 Processing technology for soft yak leather
The present invention solves the loose surface problem of soft yak leather by means of special dyeing, neutralizing and oiling processes and regulated ash-soaking dehairing and acid soak...
75 93103655 Surface finishing leather
A surface finished leather comprises leather base and coating, and mainly features that a fluff layer is adhered onto coating to cover surficial loose fibre tissue and rough granular sur...
76 93111829 Snowflake leather sand-washing process
The washing technology with foamer and water for leather features that the processed lava is used during washing and whashed lether is neutralized and whitened. After washed, the leather...
77 93105377 Producing method for elastic goat soft leather
The present invention discloses a production method of elastic full-type goat soft face leather. The invented method is that before chrome-tanning a light oil tanning process is added, i...
78 93105138 Preparing method for skin-softening white oil
Its making method features that butanol as intermediate compatible with vegetable oil and mineral oil and as modifier for vegetable oil is utilized, and then vegetable oil passes through...
79 93108780 Phosphate type leather currying agent and synthesizing process thereof
The greasing agent for leather is prepared through phosphoric esterification reaction of castor oil with P2O5, addition of H2O2 for hydrolytic hydroxylation, brine washing and neutraliza...
80 93109533 Graft Copolymers of unsaturated monomers and sugars, a process for the producti...
The present invention relates to water-soluble, acid-groups-containing graft copolymers which are at least partially biodegradable and are based on sugars and monoethylenically unsaturate...
81 93107089 Synthetic currying agent
Said invention uses oil foot, sulfated fatty ester sodium salt and sulfated synthetic whale brain oil as the main composition. Said invention has advantages of sufficient raw material, s...
82 93118332 Alkoxy groups containing copolymers and their use in the retanning of leather
Alkoxy group-containing copolymers made of (a) 1 to 99 % by weight water-soluble, ethylenically unsaturated, acid groups-containing monomers, (b) 1 to 50 % by weight monomers with a polya...
83 93109976 Technology for preparing powdered benzene diformate of alkali metal
The leftover in reactor for polyester prodn as main material is first mixed in mixer with industry-level sodium carbonate. The mixture reacts then in reactor by stirring to obtain interm...
84 93116221 Chrome saving and chrome rich tanning method
The present invention relates to a process for economy and plumping chrome tanning by admixing the pelts in the pickle bath with an aldehyde- and/or keto-carboxylic acid and then tanning,...
85 93119229 Method for making leather wax with colour-change effect, water-proof performanc...
The wax making leather have colour-changing effect is prepared with paraffin, oxidized higher aliphatic hydrocarbon, silica oil and alkyd resin through sequentially adding nonionic surfa...
86 93119718 A process for the softening/fat-liquoring and greasing of leathers and furs
The invention relates to a process for the fat liquoring/softening of leathers and furs by treatment with an aqueous dispersion of a copolymer. The invention also relates to the preparati...
87 93119526 Method for tenning goosedown tanned leather
The present invention discloses a method for tanning goose-down skin, including such processes of slaughtering, antiseptic treatment, degreasing, removing insides, soaking in water, grea...
88 93119548 Method for mfg. of snakeskin cloth
A snake skin leather is made up through cleaning snake skin, alkali treatment, dealkalization softening, acid pickling, neurilizing, rolling, polishing and splicing and features soft and...
89 93120579 Ox leather with treated surface and wax allochroic effect and its producing met...
A method for tanning high-grade leather by use of trimming and wax-allochroic effect features that the formulas and technologies for retanning st ep and the steps after retanning are des...
90 93120698 Polysiloxanes having fluoroaliphatic- and carboxyl-containing terminal groups, ...
This invention relates to polysiloxanes having fluoroaliphatic- and carboxyl- containing terminal groups, their preparation and their use in imparting water-, oil- and soil-repellency and...
91 93115605 Method for making polyurethane Erlang leather
The method for making polyurethane leather includes such technological steps as grinding the undersurface leather, primary coating hydrophilic polyurethane resin drying at 60 deg.C for 2...
92 94100185 Salt of copolymer of ethylenic unsaturanted carboxylic acid and ethylenic unsat...
The present invention relates to salts of copolymers of ethylenically unsaturated carboxylic acids and ethylenically unsaturated fatty acid derivatives comprising 1 - 99% by weight of str...
93 93120436 Copolymers and the use thereof in the treatment of leather
The invention concerns copolymers and the use of such copolymers in the softening of leather. The copolymers described give better exhaustion of the bath in the treatment of leather.
94 93120634 Dyed cattlehide leather with metallic appearance and its process
a metal effect technique is used to process cattlehide to obtain high-grade leather that features soft and elastic nature, smooth and bright surface, antiwear and water-proof performance...
95 94110121 Leather-protection grease
The product uses by-product C12-C21 higher alcohol of detergent emtrol as raw material which is passed through the processes of natural polyacid esterification and dewatering. Its reacti...
96 94100611 Fluorinated carboxylic acid esters of phosphono- and phosphinocarboxylic acids ...
The present invention relates to fluorinated carboxylic acid esters of phosphono- and phosphinocarboxylic acids containing hydroxyl and/or mercapto groups, their use as waterproofing and/...
97 94111608 Forced treating method for buttocks part of pighide
After degreased, the buttock of pighide goes through coating enzyme, skiving buttock of alkaline pelt, cutting buttock of blue crust leather and softening for improving quality of buttoc...
98 94102429 Light-hot effect leather
The trichromatic effect leather is made up through dyeing and coating base grout, face grout, trichromatic groutt, brightening material and fixing material and features that its coated m...
99 94105705 Medicinal leather and its making method
The present invention is composed of drug and leather. It features that the traditional Chinese medicinal herbs having curative effect are firstly processed, then uniformly charged into ...
100 94105331 Producing method for artificial leather
The present invention provides an artificial true leather and its making method. Firstly, the raw skin is passed through such processes of degreasing and soil-releasing treatments, and t...
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