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:
Dec. 23, 1997
Filed:
Jan. 31, 1996
Applicant:
Inventors:
Yasuyoshi Watanabe, Osaka, JP;
Masaaki Suzuki, Aichi, JP;
Atsuo Hazato, Hino-shi, Tokyo 191, JP;
Bengt Langstrom, Upsala, SE;
Assignees:
Research Developement Corporation of Japan, Kawaguchi, JP;
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
514510 ; 514569 ; 514573 ; 514554 ; 514555 ; 560119 ; 562501 ;
Abstract
The present invention provides novel isocarbacyclin derivatives useful for search and study of prostacyclin receptor and as a therapeutic drug for central nervous system diseases, which derivatives are expressed by the following formula �I!: ##STR1## �where, R.sup.1 represents a hydrogen atom, an alkyl group, or cation of an appropriate amount, and R.sup.2 an alkylene group.!