Impact copolymer with optimized melt flow, stiffness, and...

Details Impact copolymer with optimized melt flow, stiffness, and... Impact copolymer with optimized melt flow, stiffness, and...

2007-12-18

2007-12-18

Teskin, Fred (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S387000, C525S938000

Reexamination Certificate

active

10714011

ABSTRACT:
An impact copolymer having a flexural modulus (ASTM D-790) of at least about 1,100 MPa; a melt flow rate (ASTM D-1238) of at least about 15 g/10 min; and a maximum load under Dynatup Impact test (ASTM D-3763) of equal to or greater than about 1,700 N at a temperature of less than or equal to about −40° C. and articles of manufacture from same.

REFERENCES:
patent: 6503990 (2003-01-01), Kasehagen et al.
patent: 6803421 (2004-10-01), Joseph
patent: WO 02/20628 (2002-03-01), None

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