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:
Sep. 07, 1976
Filed:
May. 22, 1974
Applicant:
Inventors:
Gerhard Meyer, Obernburg, DT;
Helmut Magerlein, Obernburg, DT;
Hans-Dieter Rupp, Kassel-Bettenhausen, DT;
Assignee:
Akzona Incorporated, Asheville, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ; 2605 / ;
Abstract
A process for the production of thiophosgene by the reduction of trichloromethanesulfenyl chloride with hydrogen sulfide at an elevated temperature and in contact with silica gel, the molar ratio of the hydrogen sulfide to trichloromethanesulfenyl chloride being from 1.5:1 to 4:1.