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. 27, 1979
Filed:
Sep. 23, 1977
Applicant:
Inventors:
Albrecht Friederang, Ludwigshafen, DE;
Horst Koenig, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Rheinland, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548343 ;
Abstract
The new isopropyl 4-methylimidazole-5-carboxylate and a new process for its manufacture by reacting isopropyl chloroacetoacetate with formamide and water in the presence of formic acid. Isopropyl 4-methylimidazole-5-carboxylate, manufactured by the process of the invention, is a starting material for the manufacture of dyes, pharmaceuticals and pesticides.
Friederang, Albrecht. (1979). Process for the manufacture of isopropyl 4-methylimidazole-5-carboxylate (U.S. Patent No. 4146724). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4146724
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile