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. 16, 1994
Filed:
Dec. 28, 1992
Takao Yoshioka, Tokyo, JP;
Takahide Nishi, Tokyo, JP;
Tsutomu Kanai, Tokyo, JP;
Yuichi Aizawa, Tokyo, JP;
Kunio Wada, Tokyo, JP;
Takashi Fujita, Tokyo, JP;
Hiroyoshi Horikoshi, Tokyo, JP;
Sankyo Company, Limited, Tokyo, JP;
Abstract
Compounds of formula (I): ##STR1## (wherein: R.sup.1 is alkyl; R.sup.2 and R.sup.3 are each alkyl or alkoxy, or R.sup.2 and R.sup.3 together form an optionally substituted benzene ring and, when R.sup.2 and R.sup.3 together form said benzene ring, R.sup.1 is hydrogen, halogen or alkyl; R.sup.4 and R.sup.5 both represent hydrogen, or together represent a single carbon-carbon bond; W is a single bond or alkylene; and Z is a hydrogen atom or a cation) have valuable therapeutic and prophylactic activities, including anti-diabetic activities.