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.

Date of Patent:
Aug. 08, 1989

Filed:

Oct. 12, 1988
Applicant:
Inventors:

David Whalen, Washington, WV (US);

Ronald L Jalbert, Parkersburgh, WV (US);

Assignee:

General Electric Company, Pittsfield, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525 67 ; 525 69 ;
Abstract

Polymer blend compositions comprising a polycarbonate, a graft copolymer and a rigid copolymer exhibit improved low-temperature impact properties. The polycarbonate has a weight average molecular weight, Mw, not less than 35,000 and the rigid copolymer has a weight average molecular weight, Mw, not less than 130,000. The graft copolymer is formed from at least two ethylenically unsaturated monomers graft polymerized to a rubbery polymer substrate. The rigid copolymer is formed from at least two ethylenically unsaturated monomers and is compatible with the graft copolymer.


Find Patent Forward Citations

Whalen, David. (1989). Low-temperature impact blends of polycarbonate, graft copolymer and (U.S. Patent No. 4855357). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4855357

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

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