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:
Feb. 08, 1977
Filed:
Mar. 05, 1975
Harold M Pitt, Lafayette, CA (US);
Stauffer Chemical Company, Westport, CT (US);
Abstract
An improved process for the production of dichloroacetyl chloride by liquid phase photooxidation of trichloroethylene with oxygen or air in the presence of a catalytic amount of free chlorine or bromine to yield a mixture of dichloroacetyl chloride and trichloroethylene oxide is disclosed herein. The improvement in the process being conducting the reaction in the presence of a catalytic amount of primary or secondary amides, preferably dimethylformamide, which causes the trichloroethylene oxide to rearrange exothermically to dichloroacetyl chloride.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile