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:
Nov. 09, 1976
Filed:
Sep. 05, 1974
Applicant:
Inventors:
Dieter Bormann, Kelkheim, Taunus, DT;
Wulf Merkel, Neuenhain, Taunus, DT;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260470 ; 2602 / ; 2602 / ; 26029373 ; 26032635 ; 26032636 ; 2603264 ; 2603 / ; 2603 / ; 2603457 ; 2603458 ; 2603472 ; 2604 / ; 260516 ; 2605 / ; 2605 / ; 260519 ;
Abstract
3-Alkylamino-5-sulfamyl benzoic acid derivatives are prepared by reducing 3-acylamino-5-sulfamyl-benzoic acid derivatives by means of boron hydrides or complex boron hydrides in the presence of Lewis acids.
Bormann, Dieter. (1976). Process for the manufacture of substituted amino-benzoic acid derivatives (U.S. Patent No. 3991097). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3991097
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile