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:
Apr. 26, 1977
Filed:
Jul. 01, 1975
Applicant:
Inventors:
Iwao Sugiyama, Hiratsuka, JA;
Teruhide Furuhama, Hiratsuka, JA;
Fumiaki Nagano, Chigasaki, JA;
Hiroshi Hirakawa, Isehara, JA;
Assignee:
The Yokohama Rubber Co., Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
526 30 ; 260793 ;
Abstract
Rubber compositions containing an alkylene-bisdithiocarbamate and an amine-isocyanate addition compound as a vulcanization accelerator having excellent scorching stability with rapid vulcanization at usual vulcanization temperatures.
Sugiyama, Iwao. (1977). Vulcanization accelerator system for rubber compositions (U.S. Patent No. 4020252). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4020252
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile