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:
Jun. 02, 1998
Filed:
Oct. 06, 1994
Applicant:
Inventors:
Masakatsu Kaneko, Tokyo, JP;
Yoshinobu Murofushi, Tokyo, JP;
Misako Kimura, Tokyo, JP;
Mitsuo Yamazaki, Tokyo, JP;
Yasuteru Iijima, Tokyo, JP;
Assignee:
Sankyo Company, Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514266 ; 544277 ;
Abstract
New griseolic acid derivatives have various groups attached to the sugar part in place of the adenine group of griseolic acid itself. These groups are all purine derivatives or ring-opened purine analogs. The compounds are useful as inhibitors of phosphodiesterases.