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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 4506047 B1

PDFFull Text
Date of Patent:
Mar. 19, 1985

Filed:

Jun. 06, 1983

Polycarbonate compositions having improved rigidity

Applicant:
Inventors:

Mark W Witman, Krefeld, DE;

Gerard E Reinert, McMurray, PA (US);

Assignee:

Mobay Chemical Corporation, Pittsburgh, PA (US);

Attorneys:

Harsh; Gene

Pope; Lawrence S.

Preis; Aron

Primary Examiner:

C Warren Ivy

Int. Cl.
CPC ...
C08K / ; C08L / ;
U.S. Cl.
CPC ...
524 89 ; 524 94 ; 524611 ;
Abstract

It is an object of the invention to provide a polycarbonate composition having improved mechanical properties and a process for the preparation of said composition. These objects are achieved in accordance with the present invention which teaches a blend of a polycarbonate resin and an additive amount of an aromatic bis-imide compound. The composition comprising said blend retains a surprising degree of ductility as measured by tensile elongation and yield strength and exhibits an improvement in both tensile strength and flexural modulus.

Find Patent Forward Citations

Witman, Mark. (1985). Polycarbonate compositions having improved rigidity (U.S. Patent No. 4506047). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4506047

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

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