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:
Feb. 17, 1981
Filed:
Oct. 18, 1978
Applicant:
Inventors:
Minoru Morita, Yonezawa, JP;
Tetsuya Takamatsu, Kokubunji, JP;
Assignee:
Bridgestone Tire Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C09C / ; C01B / ;
U.S. Cl.
CPC ...
423449 ; 423445 ; 585241 ;
Abstract
This invention relates to a process for hydrocracking a waste rubber such as used tires, used conveyor belts, used hoses etc., and more particularly to a process for hydrocracking such waste rubber with a specific catalyst obtained by mixing (1) a main catalyst of an iron compound with (2) an auxiliary catalyst of metal compounds of the Periodic Table, Group VI, based on a synergistic catalyst action with sulfur contained in said waste rubber so that said waste rubber is decomposed into an oil contents and carbon.