The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 30, 1978
Filed:
Sep. 30, 1975
Eiichi Ichiki, Niihama, JA;
Dazuo Kida, Niihama, JA;
Satoshi Kamata, Niihama, JA;
Yoshinori Kobayashi, Niihama, JA;
Sumitomo Chemical Company, Limited, Osaka, JA;
Abstract
Processes for producing tetrachloromethane and tetrachlorethylene are disclosed. Tetrachloromethane is produced by contacting a chlorinated feed material having two to four carbon atoms, and optionally including oxygen, hydrogen chloride or chlorine, with a molten salt catalyst of copper chloride together with an alkali metal or alkaline earth metal chloride at a temperature between 450.degree. and 750.degree. C. Tetrachloroethylene is produced by contacting tetrachloromethane, optionally together with chlorinatable material, oxygen and hydrogen chloride, with a similar catalyst at a temperature of 430.degree. to 650.degree. C.