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. 24, 1988
Filed:
Jul. 30, 1986
Yoshihiro Fujikawa, Sakura, JP;
Mikio Suzuki, Chiba, JP;
Mitsuaki Sakashita, Urawa, JP;
Nobutomo Tsuruzoe, Kuki, JP;
Tadashi Miyasaka, Yokohama, JP;
Nissan Chemical Industries Ltd., Tokyo, JP;
Abstract
A pyrazolo[4,3-d]pyrimidine derivative having the formula: ##STR1## wherein R.sup.1 is lower alkyl or phenyl which is unsubstituted or substituted by lower alkyl, lower alkoxy or halogen; R.sup.2 is a saturated or unsaturated, straight chain or branched aliphatic group having from 2 to 22 carbon atoms or phenyl-lower alkyl with the phenyl group unsubstituted or substituted by lower alkyl, lower alkoxy or halogen; and A is an alkylene group having from 1 to 3 carbon atoms which is unsubstituted or substituted by methyl, or a pharmaceutically acceptable salt thereof.