Polymer composition comprising a polymer having a gradient...

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...

Reexamination Certificate

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C524S502000, C524S515000, C526S087000

Reexamination Certificate

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10488698

ABSTRACT:
An aqueous composition comprising components: (A) 50 to 99 wt. % of a vinyl polymer(s) having a gradient polymeric morphology; and (B) 1 to 50 wt. % of at least one polymer not having a gradient polymeric morphology, wherein components (A) and (B) add up to 100%.

REFERENCES:
patent: 5639805 (1997-06-01), Park et al.
patent: 6140431 (2000-10-01), Kinker et al.
patent: 09031139 (1997-02-01), None
patent: WO 97/12921 (1997-04-01), None
Machine Translation to claims in JP 09031139 (Feb. 1997).

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