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:
Jun. 29, 1982
Filed:
Nov. 26, 1980
Applicant:
Inventors:
Yoichiro Kubo, Yokohama, JP;
Kiyomori Ohura, Yokohama, JP;
Assignee:
Nippon Zeon Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525339 ;
Abstract
In a process which comprises catalytically hydrogenating the carbon-carbon double bonds of a conjugated diene polymer, the improvement which comprises using a catalyst composed of a porous powdery or granular carrier and supported thereon both Pd and at least one metal selected from the group consisting of the metals of Groups Ia, IIa, IIIa, IIIb, IVa, Va and VIa of the periodic table, Ge and Sb.