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:
Apr. 01, 1997
Filed:
May. 16, 1996
Applicant:
Inventors:
Thomas-Michael Kahl, Romerberg, DE;
Thomas Wettling, Limburgerhof, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558282 ;
Abstract
A process for preparing an aryl chloroformate is disclosed that involves the reaction of a phenol with phosgene in the presence of a cyclic urea.
Kahl, Thomas-Michael. (1997). Preparation of aryl chloroformates (U.S. Patent No. 5616771). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5616771
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile