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:
Aug. 29, 2000
Filed:
Oct. 15, 1999
Applicant:
Inventors:
Eiji Kobayashi, Otsu, JP;
Nobuto Koyama, Otsu, JP;
Ikunoshin Kato, Otsu, JP;
Kaoru Inami, Ikeda, JP;
Tetsuo Shiba, Toyonaka, JP;
Assignee:
Takara Shuzo Company, Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; A61K / ;
U.S. Cl.
CPC ...
568379 ; 514690 ;
Abstract
A cyclopentenone derivative represented by the following formula [I] or an optically active substance or a salt thereof. ##STR1## (In the formula, R.sub.1 and R.sub.2 are same or different and each of them is straight or branched alkyl group, straight or branched alkenyl group, aromatic group, aromatic-aliphatic group or H with a proviso that the case where R.sub.1 =R.sub.2 =H, or R.sub.1 =benzyl group and R.sub.2 =H is excluded.)