Patents Assigned to China Paeto-Chemical Corporation
  • Process for the preparation of bistriphenylsilyl chromate
    Patent number: 5698723
    Abstract: Disclosed is a process for the preparation of bistriphenylsilyl chromate, wherein triphenylchlorosilane, potassium dichromate and any one selected from alkali metal oxides, alkali hydroxides and alkali metal carbonates are reacted in, as solvent, a mixture of glacial acetic acid and a hydrocarbon solvent at a certain temperature, whereby bistriphenylsilyl chromate having high purity can be obtained with high yield.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: December 16, 1997
    Assignees: China Paeto-Chemical Corporation, Research Institute of Petroleum Processing SINOPEC
    Inventors: Longxiu Dai, Qiwei Duan, Hongbo Ji, Xiaoyuan Wang, Jinqiang Mo, Jinfeng Wang, Hongmei Liu, Xiuqin Li, Jiuhua Chen, Ping Gao