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:
Nov. 05, 1991
Filed:
Apr. 28, 1989
Applicant:
Inventors:
Hidetsura Cho, Osaka, JP;
Masaru Ueda, Saitama, JP;
Mie Tamaoka, Nara, JP;
Mikiko Hamaguchi, Hyogo, JP;
Seiitsu Murota, Tokyo, JP;
Ikuo Morita, Tokyo, JP;
Assignee:
Suntory, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07C / ; C07D / ;
U.S. Cl.
CPC ...
514438 ; 514445 ; 514521 ; 549 65 ; 549 77 ; 558400 ; 558401 ; 546330 ; 548341 ;
Abstract
Novel derivatives of caffeic acid of the general formula (I): ##STR1## wherein X is hydrogen atom or hydroxy; R.sup.1 is hydrogen atom, a straight or branched alkyl or alkenyl having 1 to 20 carbon atoms or a group of the formula: