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:
Dec. 24, 1996
Filed:
Aug. 17, 1995
Applicant:
Inventor:
Rudolph H Boeckeler, Grafton, WI (US);
Assignee:
Sartomer Company, Inc., Exton, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
5253332 ; 525285 ; 525286 ; 525385 ; 525386 ;
Abstract
A method for producing esters of hydroxy terminated polybutadiene, including the steps of: (a) providing an anhydride; (b) reacting a hydroxy terminated polybutadiene with the anhydride to form a carboxyl terminated polybutadiene derivative; (c) reacting the derivative with an epoxide. Also a curable composition, including: (a) an ester of hydroxy terminated polybutadiene; (b) a copolymerizable ethylenically unsaturated monomer; and (c) a drier.