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1. (WO2006117382) BIOCIDAL COATINGS

Pub. No.:    WO/2006/117382    International Application No.:    PCT/EP2006/062014
Publication Date: Nov 9, 2006 International Filing Date: May 3, 2006
IPC: C09D 5/00
C08G 73/00
C08F 8/00
Applicants: BASF Aktiengesellschaft
CHAMP, Simon
SEYFFER, Hermann
Inventors: CHAMP, Simon
SEYFFER, Hermann
Title: BIOCIDAL COATINGS
Abstract:
Use of a cationic polymer as active biocidal substance characterised in that no other active biocidal substances, in particular no quaternary ammonium salts, are used, in that the polymer is a polyethylene imine comprising at least 95 % by weight of units of formula CH2-CH2-N (I), in which N stands for a primary, secondary, tertiary or quaternary nitrogen atom, or a polyvinyl amine comprising at least 95 % by weight of ethylenically unsaturated, radically polymerisable compounds with a primary, secondary, tertiary or quaternary amino group in polymerised form, and in that the polymer contains 0.1 to 22 milliequivalent cationic groups per gram of polymer.