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. 02, 1977
Filed:
Apr. 28, 1975
Applicant:
Inventors:
Toshio Tanaka, Hino, JA;
Seizi Kurozumi, Hino, JA;
Takeshi Toru, Hino, JA;
Shuji Miura, Hino, JA;
Makiko Kobayashi, Hino, JA;
Sachio Ishimoto, Tokyo, JA;
Assignee:
Teijin Limited, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07B / ;
U.S. Cl.
CPC ...
2604 / ; 260410 ; 260413 ; 260415 ; 2604 / ; 2604 / ; 2605 / ; 2604 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 260696 ;
Abstract
A process for preparing cyclopent-2-en-1-one derivatives of the formula ##STR1## wherein R.sub.1 is a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group, and