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. 15, 1998
Filed:
May. 21, 1997
Applicant:
Inventors:
Yong Hae Kim, Seoul, KR;
Jin Kyu Park, Seoul, KR;
Kwon Kim, Kyunggi-Do, KR;
Hee Sock Park, Taejeon, KR;
Assignee:
Dong Kook Pharmaceutical Company, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546 39 ;
Abstract
The object of this invention is to provide novel buprenorphine analgesic analogues represented by following formula(I) and their non-toxic pharmaceutically acceptable salts. ##STR1## wherein R.sub.1 is hydrogen atom, methyl, ethyl, cyclopropyl or cyclobutyl; and