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.:

US 7723433 B1

PDF
Full Text
Expired
Date of Patent:
May. 25, 2010

Filed:

Nov. 22, 2004
Applicants:

Larry B. Simmons, Washington, WV (US);

George P. Mccarty, Morgantown, WV (US);

Inventors:

Larry B. Simmons, Washington, WV (US);

George P. McCarty, Morgantown, WV (US);

Assignee:

Chemtura Corporation, Middlebury, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 51/08 (2006.01); C08F 220/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A clear, impact modified, heat resistant polyvinyl chloride composition is provided comprising (a) at least one polyvinyl halide; (b) at least one clear impact modifier possessing a refractive index which is not more than about 2% above or below the refractive index of the polyvinyl halide; and (c) at least one clear heat modifier comprising a terpolymer obtained by the copolymerization of a vinyl aromatic monomer, an acrylonitrile and an alkyl acrylate or alkyl methacrylate, wherein the terpolymer possesses a refractive index which is not more than about 2% above or below the refractive index of the polyvinyl halide and possesses a weight average molecular weight ranging from about 75,000 to about 400,000.


Find Patent Forward Citations

Simmons, Larry. (2010). Clear, impact modified, heat resistant polyvinyl halide compositions (U.S. Patent No. 7723433). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7723433

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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