Copolymers comprising N-heterocyclic groups, and use thereof...

Details Copolymers comprising N-heterocyclic groups, and use thereof... Copolymers comprising N-heterocyclic groups, and use thereof...

2005-04-26

2010-06-01

Cheung, William K (Department: 1796)

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...

C524S555000, C524S558000, C526S304000, C526S320000, C526S332000, C526S333000

Reexamination Certificate

active

07728063

ABSTRACT:
The present invention relates to the use of a copolymer comprising, in polymerized form,(a) from 80 to 99.9 mol %, based on the total amount of the monomers polymerized to prepare the copolymer, of at least one monomer A which in each case comprises a heterocycle having at least 1 nitrogen atom and composed of from 3 to 10 ring members and a C2-C6-alkenyl group bonded to a carbon or nitrogen ring atom of the heterocycle; and(b) from 0.1 to 20 mol %, based on the total amount of the monomers polymerized to prepare the copolymer, of at least one monomer B copolymerizable with monomer A, said monomer B having a monoethylenically unsaturated double bond and also a linear or branched poly-C2-C4-alkylene oxide group having on average from 4 to 500 C2-C4-alkylene oxide units,in liquid and in solid detergent formulations. In addition, the invention relates to a process for preparing such a copolymer, and also to a liquid or solid detergent formulation comprising at least one such copolymer.

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