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:
Jul. 08, 1980
Filed:
May. 31, 1978
Applicant:
Inventors:
Yoji Watabe, Akikawa, JP;
Yoshihiko Fujii, Higashi Murayama, JP;
Shiro Anzai, Higashi Murayama, JP;
Junji Furukawa, Kyoto, JP;
Assignee:
Bridgestone Tire Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08J / ;
U.S. Cl.
CPC ...
260-23 ; 260710 ; 260711 ; 260714 ; 260715 ; 260716 ;
Abstract
Scrap vulcanized rubber is reclaimed by mixing with a reclaiming agent selected from (a) 1,8-diazabicyclo-[5,4,0]-undecene-7, (DBU) (b) phenol salts of DBU, (c) carboxylic acid salts of DBU, (d) thiuramsulfide compounds, (e) aromatic disulfides, and (f) benzene sulfinic acid compounds or benzene sulfonyl hydrazides, provided that (e) aromatic disulfides are not used alone. Aliphatic or alicyclic amines may be used together with a compound selected from compounds (a)-(f) to enhance the reclaiming effect.