Compositions comprising copolymers of N-vinylcarboxamides...

Details Compositions comprising copolymers of N-vinylcarboxamides... Compositions comprising copolymers of N-vinylcarboxamides...

2005-09-06

2005-09-06

Mulcahy, Peter D. (Department: 1713)

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...

C526S307200, C526S307400, C526S307700

Reexamination Certificate

active

06939912

ABSTRACT:
Compositions comprising at least one water-insoluble ingredient and at least one copolymer ofA) from 5 to 99% by weight of at least one N-vinylcarboxamide of the formula Iwhere R1and R2independently of one another are hydrogen or C1-C6-alkyl;B) from 1 to 95% by weight of at least one monomer having a hydrophobic radical which can be copolymerized with vinylcarboxamides of the formula I; and optionallyC) from 0 to 94% by weight of at least one other copolymerizable monomer,and the use of the above copolymers as solubility promoters.

REFERENCES:
patent: 6426383 (2002-07-01), Fong et al.

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