Match Application Number Document Title
1 95121666 Method for preparing propenoic acid
Acrylic acid can be produced efficiently by subjecting acrolein to catalytic gas-phase oxidation in the presence of a molybdenum/vanadium-based oxide catalyst prepared by using particular...
2 95196399 Process for preparing halogenated methyl benzoyl cyanides
A process is disclosed for preparing halogenated methyl benzoyl cyanides having the formula (I): PH-CO-CN (in which Ph stands for a phenyl rest substituted by chloromethyl or bromomethyl ...
3 95119833 Process for production of fluorinated hydrocarbons
A chromium-containing fluorination catalyst which comprises an activity-promoting amount of zinc or a compound of zinc, a process for increasing the activity of a chromium-containing fluo...
4 95196384 Aminoguanidine carboxylates for the treatment of non-insulin-dependent diabetes...
The present invention provides novel compounds of the formulae (I) and (II) or pharmacologically acceptable salts thereof, wherein AG is: a) N-aminoguanidine, b) N,N
5 95196279 Novel amino acid derivatives with improved multi-drug resistance activity
The present invention relates to compounds that can meintain, increase, or restore sensitivity of cells to therapeutic or prophylactic agents. This invention also relates to pharmaceutica...
6 95113340 Dehydrogenation catalyst for producing unsaturated aromatic hydrocarbon
A dehydrogenating catalyst for producing unsaturated arene contains Fe, K, Mo, Mg and at least two rare earth metals, as well as additional oxides of one or more metals chosen from IB-VI...
7 95113339 Process for synthesizing cyclopropyl carboxylic ester
A process for synthesizing cyclopropanecarboxylate uses gamma-chlorobutyrate as raw material, sodium alkoxide or potassium alkoxide as condensing agent and toluene as solvent, all of whi...
8 95113338 Process for synthesizing cyclopropyl carboxamide
A process for synthesizing cyclopropyl carboxylic amide uses cyclopropyl carboxylic acid and ammonia as raw materials, sodium alkoxide or potassium alkoxide as catalyst and arylhydrocarb...
9 95119257 Improved process for alkylation with triazoles
The present invention provides an preparation process of compound of the formula I: wherein Z is optionally substituted (C6-C10)aryl group; R is a hydrogen atom, a (C1-C12)alkyl group, a ...
10 95196204 Multicatalytic protease inhibitors
Disclosed herein are inhibitors of the multicatalytic protease enzyme which are represented by general formula (I). Constituent members and preferred constituent members are disclosed her...
11 95120188 Process for preparing aldehyde
The invention relates to a process for preparing an aldehyde compound by hydroformylation of an ethylenically unsaturated organic compound, using a catalyst system which includes rhodium ...
12 95112223 Process for preparing N-(2 or 3-M, 5 or 6-M', 4-amino-phenyl)-N',N'-dimethyl ac...
A process for reducing nitryl with unstable guanyl on para-position of benzene ring into azyl features that active metal (Zn or Sn) reacts on organic acid and solvent at ordinary temp. a...
13 95196480 Hydrogenation of halogenated compounds
A halogenated compound (I) containing one or more
14 95117459 Process for preparing low carbon alpha-olefin
A process for preparing alpha-olefin by ethylene oligomerization uses jet circulating reactor as chain growing one for full utilization of high-pressure ethylene and reduction of cost. T...
15 95196418 Conversion of oxygenaed organic compounds to fluorocarbons and anhydrous hydrog...
A method of fluorination by reacting UF6 with a C2 to C8 alcohol, acids, esters, aldehydes or epoxides. The preferred reagent is a monohydroxyl or polyhydroxyl alcohol which does not form...
16 95119341 Carbodiimide compound and water repellent compositions
Invention relates to new carbodiimide compound obtainable from reaction mixture comprising an isocyanate compound and a monofunctional alcohol in a non-reactive solvent in the presence of...
17 95119728 Bisaminothiophenol compound, process for producing the same and curing agent fo...
2,2-bis(4-aminophenyl)hexafluoropropane is allowed to react with potassium thiocyanate and bromine to obtain 2,2-bis(5-amino-4,6-benzothiazolyl)hexafluoropropaneo which is allowed to furt...
18 95118792 Method for preparing terephthalic acid
A process for producing terephthalic acid, which comprises dissolving crude terephthalic acid in an aqueous medium, contacting it with a platinum group metal catalyst for purification und...
19 95196481 Method for inhibiting premature polymerization of vinyl aromatic monomers
Nitroxyl inhibitors in combination with some oxygen reduce the premature polymerization of vinyl aromatic monomers during the manufacturing processes for such monomers. Even small quantit...
20 95117463 Method for preparation of high purity cyclopentadiene
A process for preparing high-purity cyclopentadiene (CPD) features the use of a special apparatus for decomposing and purifying. Said special apparatus has an additional liquid capturer ...
21 95120075 Process for obtaining adipic acid
The present invention relates to a process for obtaining adipic acid from the aqueous nitric acid mother liquors that arise during industrial adipic acid production by (i) removing nitric...
22 95197987 Production of fatty acid methyl esters and soap therefrom
A method of preparing esters and water soluble soaps using intensive mixing utilizing the apparatus of the figure. The esters are prepared by reacting fats and oils with methanol contain...
23 95112773 Method for separating m-xylene and ortho-xylene from mixed xylene and ethyl ben...
Under the adsorption condition the gaseous mixed xylene and ethyl benzene pass through the absorbtion bed filled with MFI type zeolite molecular sieve absorbent, which selectively absorb...
24 95112779 Prepn of contrast medium 'Dianhaichun'
A process for preparing iohexol as non-ionic X-CT contract agent (organic compound) features that iron powder is used as reducer to reduce nitro into amino, ICL is used as iodating agent...
25 95197478 Solventless process for making 2, 6 -difluorobenzonitrile
A process for making 2,6-difluorobenzonitrile, comprising reacting 2,6-dichlorobenzonitrile with a substantially anhydrous metal fluoride at a temperature between about 160 DEG C. and abo...
26 95196698 Compound for inhibition of gastric acid secretion
The present invention relates to certain salts of the compound 3-butyryl-4-(2-methylphenylamino)-8-(2-methylsulfinylethoxy)quinoline, which inhibit exogenously or endogenously stimulated ...
27 95112778 Prepn of polyhydric alcohol amine
A process for preparing polyhydric alcohol amine as non-ionic X-CT contrast agent including such products as 3-amino-1,2-propanediol used to prepare iohexol, N-methyl-2,3-dihydroxypropyl...
28 95197346 Process for preparation of aldehyde
Process for preparing an aldehyde compound by hydroformylation of an ethylenically unsaturated organic compound in the presence of a catalyst system comprising of a multidentate phosphoro...
29 95197069 Process for preparing oxime ethers
A process for preparing oxime ethers of general formula I, in which R
30 95196941 Heterospiro-compounds and their use as electroluminescent materials
The invention relates the use in electroluminescent devices of heterospiro-compounds of formula (I), in which Psi means an element of the fourth main group of the periodic system of eleme...
31 95119760 Substituted henzoylguanidines, process for their preparation, their use as medi...
Benzoylguanidines of the formula(I) is disclosed, in which R(1)is-CO or R(7)R(8)N-CO, and R(2) is defined as R(1) or is H, OH, Halogen, CN, NO2, (perfluoro)alk(en)yl or -(CH)2R(15), or R(...
32 95196815 Hydrocarbon conversion process using zeolite bound zeolite catalyst
There is disclosed a process for converting hydrocarbons which utilizes a zeolite bound zeolite catalyst that has enhanced performance when utilized in hydrocarbon conversion processes, e...
33 95119689 Olefin hydration process
This invention relates to a process for hydrating olefins to the corresponding alcohols in the vapour phase in the presence of a catalyst system comprising a heteropolyacid catalyst suppo...
34 95119690 Olefin hydration process
This invention relates to a process for hydrating olefins to the corresponding alcohols in the vapor phase in the presence of a catalyst system comprising a heteropolyacid catalyst suppor...
35 95118931 Hydroxy alkyl aldehyde making method
In a process of producing hydroxyalkanal, a raw material, namely, an unsaturated aldehyde, is hydrated with a solution in the presence of a catalyst, and alcohol is added to the solution....
36 95121742 Preparation of 1,2-propanediol
A process for the preparation of 1,2-propanediol by catalytic hydrogenation of glycerol at elevated temperature and elevated pressure, which comprises using glycerol having a water conten...
37 95121847 Preparation of benzophenone imines
A process for preparing benzophenone imines of the general formula (I) where R1 to R6 are hydrogen, C1-to C4-alkoxy, C1-to C2-alkylamine or C2-to C4-dialkylamine, by reacting benzophenone...
38 95119812 Prodn of medicinal crystalline capsaicine
Crystalline capsaicine is produced with rind of capsicum. The pungent component in capsicum rind is extracted with water solution of epoxide containing one or two oxygen atoms, and the e...
39 95118369 Technique for prodn. of fish oil polyene fatty acid ethylester
A process for producing ethyl ester of polyene fatty acid with fish oil inludes such steps as pretreating raw fish oil, lactidization to obtain esterified oil (that is, stirring raw oil ...
40 95119688 Purification of crude (meth) acrylic acid
In a process for purifying crude (meth)acrylic acid, the crude (meth)acrylic acid is worked up by distillation after addition of an organic carboxylic acid hydrazide and, if desired, an o...
41 95118098 Method for producing pure grade propenoic acid
This invention provides a method for production of high-purity acrylic acid with various residual aldehydes less than 10 ppm. These method sequences by optimum continuous selection reduc...
42 95196631 Preparation of pentenoic acid
3-pentenoic acid or the R ester of pentenoic acid is produced by treating pentenoyl chloride in a reactive distillation zone with ROH where R is hydrogen or hydrocarbon of 1 to 6 carbon a...
43 95118372 Catalyst for preparation of high purity para-diethylbenzene by using ethylbenze...
The present invention relates to a HZSM-5 molecular sieve catalyst containing two and two-odd elements of B, Mg, Al, Si, P, Ca, Zn, Ti and Zr, and its process to synthesize high-purity p...
44 95120276 Dehydrogenationc atalyst for C6-15 Chain Alkane
A catalyst for the dehydrogenation of C66-C15 paraffins is disclosed. The catalyst contains, on a support, at least one platinum group component, at least one promoter component from the ...
45 95120056 Direct synthesis method of dimethyl carbonate
A direct synthesis process for preparing dimethyl carbonate includes reaction of magnesium on methanol with magnesium at 3-9% of methanol at 200 deg.C for 1 hr to generate magnesium form...
46 95196436 Metalloproteinase inhibitors
Compounds of general formula (I), principally characterized in that R4 is a polyether group, and the compounds are water soluble matrix metalloproteinase inhibitors.
47 95113951 Process of preparing low carbon olefines from low carbon paraffins and used cat...
The present invention relates to a process for directly preparing low-carbon olefine by using reaction of low-carbon paraffine with carbon dioxide. Said invented process adopts a carrier...
48 95113948 Synthesis of Alpha-diazoate and multi-substituent cyclopropane carboxylate
The present invention features that solvent for diazotizating reaction, 2,3-demthyl-2-butylene or its mixture with C6-C12 paraffin, C6-C16 arene or C4-C12 ether as assistant solvent is a...
49 95121533 Preparation alkane sulfonic acid from photooxidation sulfur-bearing perivant
The invention relates to the preparation of alkanesulphonic acids by photooxidation of sulphur-containing derivatives (thiols, sulphides, disulphides). The operation is carried out in sol...
50 95196573 Butanedioic acid derivative and their use as surfactants
Compounds of formula (I), where R1, R2, R3, R4 and R5 have defined meanings are useful as surfactants especially in agrochemical formulations, pigment dispersions and domestic detergent f...
51 95196588 Asiatic acid derivatives its manufacturing method and dermatological agent cont...
The object of the present invention is to provide asiatic acid derivatives (I), its pharmaceutically acceptable salts or esters. Asiatic acid, its trisaccharide asiaticoside and madecassi...
52 95120524 Method for purification of basic amino acid
This method results to a purified basic amino acid which does not cause problems in filterability even when a neutral or acidic aqueous solution containing the basic amino acid is process...
53 95120995 Process for removal of fatty alcohols from alklpolyglycoside solutions by disti...
Sepn. of fatty alcohols which have 8-30 C from solns. of alkylpolyglycosides, which are soluble in the solns, by distn. comprises the use of falling film evaporator(s) followed by a short...
54 95197512 Process for preparing 1, 5 -pentanediol derivative
A process for preparing a 1, 5 -pentanediol derivative of the general formula (I): R1CH2CH = CR2CHO (wherein R1 and R2 represent each independently hydrogen or lower alkyl) by reacting a...
55 95196793 Crystallization of adipic acid
Crystallization of adipic acid using low intensity ultrasonic agitation during crystallization results in purer product that is more readily handled. Apparatus for carrying out the proces...
56 95120213 Bisphenol ester derivatives
Stabilisers of formula I (I) wherein R1 and R2 may be C1-C5alkyl, the substituents R3 to R8 may be hydrogen, the variable n may be 1 or 2, and, when n is 1, A may be an alkoxy radical, an...
57 95112259 Method for prepn. of catalyst of large porous strong acid cation exchange resin
A process for preparing macroreticular cationic exchange resin catalyst features that C3-C4 low-carbon alcohol compounds as pore-forming agent and relative macro-molecular compound as di...
58 95196863 Preparation of cinnamate sunscreen agents
This invention relates to an improved process for the manufacture of cinnamate compounds. The process comprises: (a) dissolving a C1 to C4 alkoxy benzaldehyde and a C1 to C4 alkyl acetate...
59 95119826 Method for preparation of butylaldehyde group
A method for producing butyraldehydes, by separating and purifying mixed butyraldehyde products formed by hydroformylation of propylene, into n-butyraldehyde and isobutyraldehyde by using...
60 95191520 Process for producing dimethylamine
To develop a zeolite catalyst which can prevent the drastic lowering of dimethylamine selectivity to be caused in the production of dimethylamine using a zeolite catalyst when the convers...
61 95196959 Aryl-and hetaryl-sulfonamide derivatives, their perparation and their use as en...
Compounds of formula (I) wherein R
62 95119599 Trisodium citrate preparing process using anion exchange resin
The prepn process of trisodium citrate includes:porous filtration of fermented liquid in plate-frame filter to eliminate foreign matter, decoloring with active carbon, eliminating foreig...
63 95197033 Continuous process for preparing ethylbenzene using liquid phase alkylation and...
The present invention relates to a process for preparing ethylbenzene using liquid phase alkylation and vapor phase transalkylation. The liquid phase alkylation reaction may be catalyzed ...
64 95117810 Citric acid extracting process
Technological processes of extracting citric acid includes filtration of mash to eliminate mycelium, filtration in porous filtering machine, decoloring with active carbon, adsorption and...
65 95196639 Novel pyrimidinyloxy- and pyrimidinylamino-ethylphenyl-dioxolane derivatives
The invention discloses 2-[4-(2-(pyrimidin-4-yloxy- and -4-ylamino)-ethyl-phenyl)-dioxolanes of formula (I) wherein R1 is hydrogen, C1-4alkyl, C1-4haloalkyl or C3-6cycloalkyl, R2 is hydro...
66 95117821 Technology for synthesizing and separating condensed bromoacenaphthylene
The invented technology features that it uses bromine chloride as brominating agent, the acenaphthene as raw material, the halo-chain-hydrocarbon or halogenated aryl-hydrocarbon as solve...
67 95112799 Phenethylamine derivative with cardiovascular activity
A phenethylamine derivative withcardiovascular activity contains such radicals as H, NHSO2(C1-C4 alkyl), halogen, methoxyl, O, S, ethylidene or tetraethylidene, 1,3-propylidene or tetram...
68 95120519 Removal and neutralization of acid catalyst from products of cumene hydroperoxi...
The present invention is an improved method for the recovery of phenol from a cleavage mass resulting from the sulfuric acid cleavage of cumene hydroperoxide comprising neutralizing the c...
69 95121545 Process for preparation of alkyl halodifluoroacetates
For the preparation of alkyl halodifluoroacetates, a 1,1-difluorotetrahaloethane is reacted with an alcohol in the presence of air and/or oxygen and a free-radical initiator.
70 95112801 Catalyst series for synthesizing 1-,2- and 3- substituted alkylphenols with dif...
In the solid-acid catalyst series, the active components include sulphuric acid-treated metal oxides, heteropoly acids and their salts and the carriers include Y zeolite, acid clay, sili...
71 95112798 Process for preparing mesylamido-phenethylamine derivative
A new process for preparing mesylamidophenethylamine derivative uses beta-benzeneethanamine as raw material. Said mesylamidophenethylamine derivative contains such components as C1-C4 al...
72 95113103 Preparation of biuret-containing polyisocyanates
The invention is a process for the preparation of biuret-containing polyisocyanates by catalytic reaction of aliphatic and/or cycloaliphatic diisocyanates with a biuretizing agent, where ...
73 95120409 Method of prodn. of solid sole fonate 102 and produced farm chemical emulgent
A process for producing calcium dodecylbenzenesulfonate in the form of solid, which is especially suitable to prepare emulsifier of agricultural chemical, includes such steps as reaction...
74 95121432 Method of preparing D-amino acid-N-(S)-alpha-alkylbenzylamide
The present invention relates to a method of converting L-amino acid amides to the corresponding D-amino acid amides. An amide formed from an L-amino acid and an optically active(S)-alpha...
75 95192392 Novel complex salts of phosphoric and amino acids and fuminant feed additive co...
A novel phosphoric acid-amino acid complex salt is provided which manifests insolubility in a neutral or alkaline aqueous solution and solubility in an acidic aqueous solution and has a b...
76 95112584 Formic acid and sodium sulfate producing method
The present invention relates to a formic acid and sodium sulfate producing method with sodium formate and sulfuric acid as raw material. The said method has the merits of simple equipme...
77 95191547 Water-absorbent resin, process for production thereof, and water-absorbent resi...
A water-absorbent resin is produced by dispersing a solid blowing agent having an average particle diameter within a range of from 1 mum to 100 mum in an aqueous monomer solution containi...
78 95121428 Continual method for preparation of organic ester isocyanate
The continuous production of organic isocyanates by reacting prim. amines with phosgene in presence of inert organic solvent comprises circulating the reaction mixture with a bubble colum...
79 95196782 Method for partially hydrogenating dinitriles to aminonitriles
A method for partially hydrogenating aliphatic dinitriles to the corresponding aminonitriles by means of hydrogen and in the presence of a catalyst selected from a Raney nickel catalyst, ...
80 95196982 Process for preparation of aromatic 0-sulfocarboxylic acids and sulfonylureas
The invention relates to a process for the preparation of ortho-sulfocarboxylic acids, which comprises: a) in a first reaction step, diazotising an aromatic ortho-aminosulfonic acid in th...
81 95119380 Herba Pteridis semipinnatae extract and its medicinal composite
The present invention discloses two kinds of extracts from Herda Pteridis semipinnatae, an plant of Pteris multifida and their medicinal composite. The said plant and its two kinds of ex...
82 95196759 Aniline derivatives having nitrogen monoxide synthase inhibitory activity
A compound represented by general formula (1),zor possible stereoisomers and optical isomers thereof, and medicinally acceptable salts of these, (wherein R1 represents SR6 or NR7R8; R6 re...
83 95197203 Hydroxamic acid-containing inhibitors of matrix metalloproteases
The invention provides hydroxamic acid-containing compounds which are useful as inhibitors of matrix metalloproteases and which are effective in treating conditions associated with excess...
84 95196771 Large particle dehydrogenation catalyst and process
The instant invention presents a method for improving the catalytic activity of an iron oxide catalyst without introducing a corresponding loss in selectivity. The catalyst is made from a...
85 95196767 Recombined iron dioxide
In one aspect of the invention, a composition is presented comprising restructured iron oxide particles. A method is also presented for restructuring iron oxide particles to form low surf...
86 95196766 Dehydrogenation catalyst and process
Dehydrogenation catalysts are prepared by a predoping process comprising, mixing iron oxide materials with a predopant to form a blend of iron oxide and predopant and heating the blend to...
87 95196943 Production of Rentene-nitriles
The present invention relates to a process for producing pentene-nitriles. The pentene-nitriles, more particularly 3-pentene-nitrile and 4-pentene-nitrile, may give adiponitrile by reacti...
88 95121423 Recovery of noble light products in distillation residues obtd. during manufact...
To recover these noble products consisting of acrylic acid monomer, acrylic ester monomers and alcohols, a thermal cracking is performed in the absence of catalyst on a mixture of heavy d...
89 95118882 Process for producing isopropyl alcohol
Disclosed is a process for producing isopropyl alcohol by hydrating directly propylene and water in the presence of a strong acid solid catalyst, comprising: feeding continuously propylen...
90 95120612 Process for preparing high-purity p-cresol with crude p-cresol
A process for preparing high-purity p-cresol from coarse one features that under ordinary pressure, coarse p-cresol is quantitatively fed in fractional crystallizer for crystallizing, wh...
91 95112809 Alkyl-dimethyl-2-(sulfurous acid) ethyl ammonium and its preparing method
The present invention relates to a kind of bactericide for treatment of the industrial circulation water and the preparation thereof. It is composed of ethylene sulfite and 10-20 carbon ...
92 95196814 Purification of 1, 3-propanediol
A process is described for purifying a carbonyl-containing 1,3-propanediol composition, the process comprising: (a) forming a solution of said 1,3-propanediol composition in an acidic aqu...
93 95117838 Aminating reaction catalyst
The catalyst consists of carrier and active components of 30-70% by total weight of the calalyst, and the active components including Ni, Zn, and Fe have an atomic ratio of Ni to Zn to F...
94 95192620 Heteroaromatic oxazole compounds and use thereof
A heterocyclic aromatic oxazole compound of the formula (I) or a pharmaceutically acceptable salt thereof, wherein Z is an oxygen atom; one of R and R1 is a group of the formula wherein R...
95 95197138 Process for preparing aliphatic
Aliphatic alpha,omega-aminonitriles are prepared by partially hydrogenating aliphatic alpha,omega-dinitriles at an increased temperature and pressure in the presence of a base and an hydr...
96 95197139 Process for preparing aliphatic alpha, omega-aminonitriles
By partially hydrogenating aliphatic alpha , omega -dinitriles at an increased temperature and pressure in the presence of a solvent and a catalyst. The process is characterised in that t...
97 95119700 Compound oxide catalyst for synthesizing benzene diphenol by phenol-hydrogen pe...
The prepn process of compound oxide catalyst includes mixing the salts or oxides of corresponding elements in certain molar ratio, high-temp roast or high-temp decomposition after mixing...
98 95197137 Process for preparing aliphatic alpha, omega-aminonitriles
Aliphatic alpha,omega-aminonitriles are prepared by partially hydrogenating aliphatic alpha,omega-dinitriles at an increased temperature and pressure in the presence of a solvent and a ca...
99 95197513 Functionalised photoinitiators, derivatives and macromeres therefrom and their ...
The present invention relates to alpha -aminoacetophenones functionalised with organic diisocyanates, having general structure which can be used as reactive photoinitiators; to oligomers ...
100 95196944 Reactor for catalytic dehydrogenation of hydrocarbons with selective oxidation ...
A reactor for catalytic dehydrogenation of dehydrogenatable hydrocarbons, in particular C3 and/or C4 hydrocarbons, in a hydrocarbon-containing stream, with selective oxidation of hydrogen...
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