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:
Aug. 20, 2002
Filed:
Jan. 26, 2001
Applicant:
Inventors:
Virgil Percec, Philadelphia, PA (US);
Firouz Asgarzadeh, Philadelphia, PA (US);
Assignee:
University of Pennsylvania, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/00 ; C08F / ;
U.S. Cl.
CPC ...
C08F 4/00 ; C08F / ;
Abstract
A graft copolymer composition and the preparation of the composition by living radical polymerization is disclosed. The polymerization reaction can be initiated at active chlorine sites on the poly(vinyl chloride) backbone in conjunction with a transition metal catalyst and an optional ligand. The graft copolymers are useful as, among others, compatibilizers for blends and alloys, as high heat distortion temperature poly(vinyl chloride) materials, as impact modifiers, and permanently plasticized materials.