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:
Nov. 09, 1999
Filed:
Dec. 03, 1998
Applicant:
Inventors:
Rudolf Faust, Lexington, MA (US);
Savvas E Hadjikyriacou, Lowell, MA (US);
Toshio Suzuki, Midland, MI (US);
Assignees:
University of Massachusetts, Lowell, MA (US);
Dow Corning Corporation, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556488 ; 556436 ;
Abstract
A novel initiator which may be used to prepare a silyl-functional living cationic polymer is disclosed, said initiator having the formula ##STR1## wherein R is independently selected from the group consisting of alkyl groups having 1 to 10 carbon atoms and aryl groups having 6 to 10 carbon atoms, R' is a divalent aliphatic hydrocarbon group having at least 3 carbon atoms, X is halogen, Y is selected from the group consisting of halogen, alkoxy, acyloxy and hydroxyl groups and a is 1, 2 or 3.