Polyarylethersulfone compositions exhibiting reduced...

Details Polyarylethersulfone compositions exhibiting reduced... Polyarylethersulfone compositions exhibiting reduced...

2003-04-15

2008-11-25

Truong, Duc (Department: 1796)

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

Synthetic resins

From sulfur-containing reactant

C528S171000, C528S373000, C438S031000, C438S643000

Reexamination Certificate

active

07456248

ABSTRACT:
A polyarylethersulfone polymer composition comprising a polyarylethersulfone having reduced yellowness and high light transmittance is provided. The composition includes an organic phosphorous-containing compound and at least one of the following two additives: a colorant, and an optical brightener. The polyarylethersulfone composition of the present invention is used to form molded articles suitable for food and beverage service, medical components, and lighting components.

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Claims of U.S. Appl. No. 10/511,094.

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