Toughened poly(ethylene terephthalate) compositions

Details Toughened poly(ethylene terephthalate) compositions Toughened poly(ethylene terephthalate) compositions

2007-12-04

2007-12-04

Woodward, Ana (Department: 1711)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S504000, C524S513000, C525S063000, C525S165000, C525S170000

Reexamination Certificate

active

11312070

ABSTRACT:
Toughened poly(ethylene terephthalate) compositions which contain functionalized polymeric tougheners, and wherein the poly(ethylene terephthalate) contains little or no antimony, have superior heat stability and retain their toughness for longer periods at higher temperatures. The compositions are useful for molded and shaped parts, such as mechanical parts, automotive parts and electrical parts.

REFERENCES:
patent: 4284540 (1981-08-01), Iida et al.
patent: 4753980 (1988-06-01), Deyrup
patent: 2005/0186438 (2005-08-01), Alms et al.
patent: 211 649 (1987-02-01), None
patent: WO 00/15717 (2000-03-01), None
patent: WO2004/104099 (2004-12-01), None
patent: WO2004/104100 (2004-12-01), None
Toughened Polyethyelen Terephthalate, disclosed anonymously, Kenneth Mason Publications Ltd., Aug. 1981.

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