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, 1981
Filed:
Feb. 24, 1977
Applicant:
Inventors:
Tadashi Fujita, Sakai, JP;
Masayuki Oya, Osaka, JP;
Hideo Takashina, Kobe, JP;
Tadashi Iso, Tondabayashi, JP;
Assignee:
Santen Pharmaceutical Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; A61K / ; C07C / ;
U.S. Cl.
CPC ...
424319 ; 562557 ; 562426 ;
Abstract
This invention relates to the compounds: N-(mercaptoacy)-cysteine represented by the following formula wherein Z is selected from the group consisting of CH.sub.3 --CH<, (CH.sub.3).sub.2 C<, (CH.sub.2).sub.2 < and CH.sub.2 <, acting as agents for the liquefaction of sputum, intermediate therefor and a process for manufacture thereof. ##STR1##