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. 02, 1986
Filed:
Dec. 26, 1984
Applicant:
Inventors:
Mori Masataka, Yokohama, JP;
Chuman Tatsuji, Yokohama, JP;
Kato Kunio, Yokohama, JP;
Ono Mikio, Hamura, JP;
Assignees:
The Japan Tobacco & Salt Public Corporation, both of, JP;
Fuji Flavor Company, Limited, both of, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568384 ;
Abstract
Stereoisomers having no cigarette beetle's sex pheromone activity contained in synthesized 4,6-dimethyl-7-hydroxy-nonan-3-one which is an equilibrium mixture of eight stereoisomers may be converted into stereoisomer having said sex pheromone activity by repeating column chromatographic fractionation, epimerization with an acidic or a basic catalyzer and/or racemization with a basic catalyzer in relation to said 3-one compound.