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:
Dec. 25, 1990
Filed:
Mar. 31, 1989
Applicant:
Inventor:
Gunter Metz, Blaubeuren, DE;
Assignee:
Merckle GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 47 ;
Abstract
By using a new method 2-(2-hydroxyethoxy)-ethanol ester is produced from flufenamic acid as a result of direct esterification with diol with an excess of 8-15 mol diol per mol flufenamic acid without concurrent removal of water.
Metz, Gunter. (1990). Method of producing 2-(2-hydroxyethoxy)-ethanol ester of flufenamic acid (U.S. Patent No. 4980498). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4980498
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile