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:
May. 15, 1984
Filed:
Oct. 19, 1982
Applicant:
Inventors:
Yutaka Terada, Nishinomiya, JP;
Yukoh Takahashi, Toyonaka, JP;
Shinichi Yachigo, Toyonaka, JP;
Tamaki Ishii, Suita, JP;
Assignee:
Sumitomo Chemical Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C08K / ;
U.S. Cl.
CPC ...
524 93 ; 548304 ;
Abstract
An acetylene carbamide derivative of the general formula (I): ##STR1## wherein A represents ##STR2## wherein R.sub.1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, is disclosed. A process for producing the acetylene carbamide derivative of the general formula (I) is also disclosed. The acetylene carbamide derivative of the invention is useful as a stabilizer for organic substances from heat and oxidation.