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:
Oct. 30, 1990
Filed:
Oct. 17, 1988
Applicant:
Inventors:
Jeannine Chodorge, Antony, FR;
Jean-Pierre Senet, Herbeauvilliers-Buthiers, FR;
Gary Wooden, Mennecy, FR;
Assignee:
Societe Nationale des Poudres et Explosifs, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562861 ;
Abstract
The invention relates to a new process for the preparation of chlorides of carboxylic acids by reaction of tetrachloroethylene carbonate with a carboxylic acid of formula R(COOH).sub.n at a temperature of between 80.degree. and 160.degree. C. The radical R may be very diverse and n is an integer which can take the values 1 to 4. A solvent is not necessary. A catalyst may be employed. Acyl chlorides of a high purity are obtained.
Chodorge, Jeannine. (1990). Process for the preparation of chlorides of carboxylic acids (U.S. Patent No. 4966995). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4966995
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile