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1. (WO2001005851) AMPHOLYTE POLYMER COMPOSITION AND METHOD OF USE

Pub. No.:    WO/2001/005851    International Application No.:    PCT/US2000/040258
Publication Date: Fri Jan 26 00:59:59 CET 2001 International Filing Date: Fri Jun 16 01:59:59 CEST 2000
IPC: C04B 24/16
C04B 24/26
C04B 24/32
C04B 24/38
C08F 220/60
C09K 8/24
C09K 8/46
Applicants: CALGON CORPORATION
Inventors: MATZ, Gary, F.
MELBY, Allan, L.
LAMAR, Richard, R.
VOZZA, Nicholas, F.
Title: AMPHOLYTE POLYMER COMPOSITION AND METHOD OF USE
Abstract:
Novel branched or crosslinked polymers containing (meth)acrylamidopropyltrimethyl ammonium halide; (meth)acrylic acid or 2-(meth)acrylamido-2-methylpropane sulfonic acid; methylene bis-acryamide and the like; and a C4-C22 alkyl (meth) acrylate and the use thereof in papermaking, subterranean well drilling and well cementing operations is disclosed.