Title: Dry production of lithopone
Application Number: 89105813 Application Date: 1989.12.16
Publication Number: 1052495 Publication Date: 1991.06.26
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C09C3/04
Applicant(s) Name: Chen Hanchang Address:
Inventor(s) Name:
Attorney & Agent:
Abstract:
     According to this invention, a lithopone product is made up of deposited barium sulfate, zinc sulfide and zinc oxide through such technological steps as mixing, grinding and breaking. Its advantages include simple technology, low cost, high efficiency, and its raw materials making use of the by-products from other productions.
Time: 9