US Patent 7709573 Polycarbonate molding compositions
Patent 7709573 was granted and assigned to Bayer MaterialScience on May, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A thermoplastic molding composition having improved properties is disclosed. The composition comprises polycarbonate resin, a first graft polymer, a first free copolymer, a second graft polymer and a second free copolymer; the weight-average molecular weight of the first free copolymer being lower by at least 32,000 g/mol with regard to that of the second free copolymer. The inventive composition features improved balance of melt flowability and ductility, good resistance to hydrolysis and process stability.
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Patent Inventor Names
Andreas Seidel0
Dieter Wittmann0
Thomas Eckel0
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US Patent 07709573 Polycarbonate molding compositions US Patent 7709573 Polycarbonate molding compositions
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Patent Number
077095730
Patent Number
77095730
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
077095730
Date of Patent
May 4, 2010
0Patent Application Number
116337950
Date Filed
December 5, 2006
0Official Website
Patent Primary Examiner
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US Patent 07709573 Polycarbonate molding compositions
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07709573
Date of patent
May 4, 2010
Patent application number
11633795
Date Filed
December 5, 2006
Patent primary examiner
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