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. 30, 1994
Filed:
Mar. 10, 1993
Fumio Suzuki, Mishima, JP;
Junichi Shimada, Shizuoka, JP;
Akira Karasawa, Shizuoka, JP;
Hideaki Mizumoto, Shizuoka, JP;
Hiroshi Kase, Koganei, JP;
Hiromi Nonaka, Shizuoka, JP;
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Abstract
A xanthine derivative of the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are substituted or unsubstituted alicyclic alkyl; m1 and m2 are the same or different and represent an integer of 0 to 2; and Q represents ##STR2## (in which R.sup.3 and R.sup.4 are the same or different and are substituted or unsubstituted alicyclic alkyl) or ##STR3## (in which n is 0 or 1, and Y is a single bond or alkylene); or a pharmaceutically acceptable salt thereof is disclosed. This derivative has diuretic activity and renal protecting activity.