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Title:
STABLE WET STRENGTH RESIN
Document Type and Number:
WIPO Patent Application WO2005098130
Kind Code:
A3
Abstract:
A method of stabilizing an aqueous solution of polyaminoamide-epichlorohydrin resin comprising sequentially adding to the solution about 0.1 to about 10 weight percent of one or more strong acids and about 0.1 to about 10 weight percent of one or more weak acids to prepare a stabilized solution having a pH of about 3-4.

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Inventors:
WEI MINGLI (US)
GRIGORIEV VLADIMIR A (US)
FURMAN GARY S JR (US)
WARD WILLIAM J (US)
Application Number:
PCT/US2005/011563
Publication Date:
April 27, 2006
Filing Date:
April 05, 2005
Export Citation:
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Assignee:
NALCO CO (US)
WEI MINGLI (US)
GRIGORIEV VLADIMIR A (US)
FURMAN GARY S JR (US)
WARD WILLIAM J (US)
International Classes:
C08G73/02; D21H11/00; D21H21/18; D21H17/14; D21H17/55; D21H21/20; (IPC1-7): C08F283/04; C08G69/48
Foreign References:
US5714552A1998-02-03
Other References:
See also references of EP 1733091A4
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