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:
Sep. 18, 2001
Filed:
Feb. 24, 1999
Applicant:
Inventors:
Hideaki Takaoka, Chiba, JP;
Sigeru Wada, Chiba, JP;
Nobuhiko Ito, Chiba, JP;
Akio Hasebe, Chiba, JP;
Shinzo Imamura, Aichi, JP;
Hideo Muraoka, Aichi, JP;
Assignee:
Soda Aromatic Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
C07D / ;
Abstract
A method, with high yield and improved selectively, for making a 2-(&ohgr;-alkoxycarbonylalkanoyl)-4-butanolide and an alkaline metal salt thereof, an ester of &ohgr;-hydroxy-(&ohgr;-3)-ketoaliphatic acid as a novel compound and a derivative thereof, and a method for making the same are provided.
Takaoka, Hideaki. (2001). Processes for preparing 2-(omega-alkoxycarbonylalkanoyl)-4- butanolides omega-hydroxy-(omega-3)-keto fatty esters, and derivatives thereof (U.S. Patent No. 6291688). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6291688
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile