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:
Sep. 17, 2002
Filed:
May. 10, 2000
Applicant:
Inventors:
John R. Schreffler, Clinton, OH (US);
Mark L. Stayer, Jr., Suffield, OH (US);
Thomas A. Antkowiak, Wadsworth, OH (US);
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/94 ; C08F 3/600 ;
U.S. Cl.
CPC ...
C08F 4/94 ; C08F 3/600 ;
Abstract
A process for preparing highly functionalized polymers comprising the steps of admixing anionically-polymerizable monomers and at least one anionic-polymerization initiator to form an admixture of living polymers, adding at least one lithium alkoxide stabilizer to the admixture of living polymers to form a stabilized admixture, and adding a functionalizing agent to the stabilized admixture.