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:
May. 25, 1993
Filed:
Apr. 03, 1992
Applicant:
Inventors:
Masakazu Ishihara, Mino, JP;
Tomoyuki Tsuneya, Ibaragi, JP;
Minoru Shiga, Toyonaka, JP;
Hiroshi Sato, Tokyo, JP;
Fumio Yoshida, Tokyo, JP;
Keiichi Yamagishi, Narashino, JP;
Assignees:
Shiono Koryo Kaisha, Ltd., Osaka, JP;
Lion Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
512 10 ; 546340 ; 546348 ; 546350 ;
Abstract
Described is pyridine derivatives defined according to one of generic formula (I) ##STR1## wherein R.sup.2 represents isopropenyl group when R.sup.1 is methyl or ethyl group, R.sup.2 represents isopropenyl or acetyl group when R.sup.1 is isopropenyl group, R.sup.2 represents methyl group when R.sup.1 is isopropyl group and R.sup.2 represents isopropenyl, or isopropyl group when R.sup.1 is acetyl group; and perfumery composition containing the derivatives.