Thickener for high-pH aqueous systems

Details Thickener for high-pH aqueous systems Thickener for high-pH aqueous systems

2007-11-20

2007-11-20

Mruk, Brian (Department: 1751)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Specific organic component

C510S477000, C510S488000, C424S486000, C424S487000, C424S070110, C424S070160

Reexamination Certificate

active

11211350

ABSTRACT:
An aqueous composition having a pH of at least 10, and comprising from 0.1% to 5% of at least one crosslinked copolymer comprising from 2.5% to 65% (meth)acrylic acid residues, from 10% to 80% C2-C4alkyl (meth)acrylate residues, from 2% to 25% lipophilically modified (meth)acrylate residues and residues of a crosslinker that has no ester or amide functionality.

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patent: 4867896 (1989-09-01), Elliott et al.
patent: 5529711 (1996-06-01), Brodbeck et al.
patent: 6635702 (2003-10-01), Schmucker-Castner et al.
patent: 2004/0063855 (2004-04-01), Tepe

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