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. 22, 1976
Filed:
May. 16, 1974
Applicant:
Inventors:
Assignee:
The Yokohama Rubber Co. Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
CO7C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604656 ; 2606 / ; 2606 / ; 2606 / ; 260634 ;
Abstract
A process for the preparation of hydroxyl-terminated liquid polymers by polymerizing a conjugated diene monomer or a mixture thereof with a vinyl monomer using hydrogen peroxide as a radical initiator in the presence of a member selected from the halogen-containing compound of nickel, palladium, platinum and silver, and the nitrate and phosphate of silver.