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:
Jan. 06, 1976
Filed:
Jul. 06, 1971
Applicant:
Inventors:
Wilhelm Riemenschneider, Frankfurt am Main, DT;
Hans Krekeler, Wiesbaden, DT;
Helmut Meidert, Frankfurt am Main, DT;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ; 260664 ;
Abstract
A process for the preparation of a mixture of carbon tetrachloride and phosgene in the absence of a catalyst from
Riemenschneider, Wilhelm. (1976). Process for the preparation of carbon tetrachloride and phosgene (U.S. Patent No. 3931309). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3931309
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile