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:
Oct. 02, 1979
Filed:
Jan. 06, 1978
Applicant:
Inventors:
Assignee:
Yoshitomi Pharmaceutical Industries, Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
424246 ; 544 54 ; 2603473 ; 26032643 ; 546233 ; 560 16 ; 560153 ; 562557 ; 424309 ; 424311 ; 424317 ; 542416 ; 544400 ; 544160 ; 546331 ; 549 76 ; 549 60 ; 549 77 ;
Abstract
Penicillamine compounds of the formula: ##STR1## and of the formula: ##STR2## wherein R.sup.1, R.sup.2, R.sup.3, A and B are as defined hereinafter, and pharmaceutically acceptable acid addition salts thereof are disclosed. II are the products of hydrolysis or alcoholysis of I, and I are in turn the products of dehydration of II or alcohol removal form II. I and II are useful for the treatment of rheumatoid arthritis.