US 2014/0194566 A1 · AMPHOTERIC POLYMER COMPOSITION

Abstract

The present invention relates to a composition comprising an amphoteric polymer having pendant acid groups, or salts thereof, and pendant mono- or dialkylamino ethylene oxide groups or alkylammonium ethylene oxide groups characterized by either of the following formulas: where R1-R3 and X− are as defined herein. The composition of the present invention improves hiding efficiency for coating compositions formulated using associative rheology modifiers, binders, and titanium dioxide.

Claims9

Dependent claims

A composition comprising an amphoteric polymer having pendant acid groups, or salts thereof, and pendant mono- or dialkylamino ethylene oxide groups or alkylammonium ethylene oxide groups characterized by either of the following formulas:

where R1 and R3 are each independently hydrogen or —C1-C12-alkyl;
R2 is C3-C12 alkyl, and X− is a counterion.

Dependencies are inferred from the claim text.

Facts

Application

14/122,380Filed 29 May 2012

Priority

2 Jun 2011

Published

10 Jul 2014

Term ends

Not estimatedThe source records don’t support an estimate.

Classification10 codes

C09D 7/44
Thickening agents: combinations of two or more thickening agents
C08G 65/3322
Containing carboxyl groups, or halides, or esters thereof: acyclic
C09D 5/027
Characterised by the additives: dispersing agents
C09D 133/08
Of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical: homopolymers or…

Amphoteric polymer composition

Life of this patent

Amphoteric polymer composition

Life of this patent

Abstract

Claims9