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:
Mar. 24, 1987
Filed:
Sep. 12, 1985
Applicant:
Inventors:
Assignee:
Dynamit Nobel Aktiengesellschaft, Troisdorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560168 ; 548253 ;
Abstract
It is suggested to produce 5-chloro-1H-tetrazolecarboxylic acid esters by reaction of dichloroisonitriloacetic acid esters with alkali or metal azides or ammonium azide. The dichloroisonitriloacetic acid esters required for this purpose are formed by reacting N-formylaminocarboxylic acid esters with chlorine or with compounds which split off chlorine.
Quick Actions:
Bison, Gunter. (1987). Process for the preparation of dichloroisonitrilocarboxylic acid esters (U.S. Patent No. 4652671). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4652671
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile