Polycarbonate copolymer and associated film extrusion composition, extruded film, and capacitor

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United States of America

PATENT NO 11976195
SERIAL NO

18388721

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Abstract

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A composition includes specific amounts of a copolycarbonate and a roughening agent. The copolycarbonate contains first carbonate units derived from a first bisphenol monomer such that a homopolycarbonate of the first bisphenol monomer has a glass transition temperature less than 155° C., and second carbonate units derived from a second bisphenol monomer such that a homopolycarbonate of the second bisphenol monomer has a glass transition temperature of 155° C. or higher. The roughening agent includes a particulate crosslinked polymethylsilsesquioxane having a median equivalent spherical diameter greater than 5 micrometers and less than or equal to 10 micrometers.

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Patent Owner(s)

  • SHPP GLOBAL TECHNOLOGIES B.V.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gindt, Brandon Philippe Newburgh, US 2 0
Mahood, James Alan Evansville, US 32 192
Niemeyer, Matthew Frank North Chatham, US 16 125
Pingitore, Andrew Thomas Evansville, US 3 0

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