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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 8841366 B1

PDFFull Text
Date of Patent:
Sep. 23, 2014

Filed:

Feb. 28, 2013

Thermoplastic polycarbonate copolymer compositions, methods of their manufacture, and uses thereof

Applicant:

Sabic Innovative Plastics Ip B. V., Bergen op Zoom, NL;

Inventors:

Mark Adrianus Johannes van der Mee, Breda, NL;

Robert Dirk van de Grampel, Tholen, NL;

Roland Sebastian Assink, Middelburg, NL;

Paul Dean Sybert, Evansville, IN (US);

Assignee:

Sabic Innovative Plastics IP B.V., , NL;

Attorney:

Cantor Colburn LLP

Primary Examiner:

Peter Szekely

Int. Cl.
CPC ...
C08K 5/523 (2006.01); C09K 21/14 (2006.01); B32B 5/00 (2006.01);
U.S. Cl.
CPC ...
C09K 21/14 (2013.01); B32B 5/00 (2013.01); C08K 5/523 (2013.01);
Abstract

This disclosure relates to thermoplastic compositions comprising a polycarbonate copolymer, the polycarbonate copolymer comprising first repeating carbonate units and second repeating units selected from carbonate units that are different from the first carbonate units, polysiloxane units, and a combination comprising at least one of the foregoing unit; and an organophosphorus flame retardant in an amount effective to provide 0.1 to 1.0 wt % phosphorus based on the total weight of the composition, wherein an article molded from the composition has a smoke density after 4 minutes (Ds-4) of less than or equal to 600 determined according to ISO 5659-2 on a 3 mm thick plaque, and a material heat release of less than or equal to 160 kW/mdetermined according to ISO 5660-1 on a 3 mm thick plaque.

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van der Mee, Mark Adrianus Johannes. (2014). Thermoplastic polycarbonate copolymer compositions, methods of their manufacture, and uses thereof (U.S. Patent No. 8841366). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8841366

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