POLY(VINYLALCOHOL)-CO-POLY(VINYLAMINE) POLYMERS COMPRISING FUNCTIOAL MOIETIES

Title:

POLY(VINYLALCOHOL)-CO-POLY(VINYLAMINE) POLYMERS COMPRISING FUNCTIOAL MOIETIES

Document Type and Number:

WIPO Patent Application WO2003054030

Kind Code:

A3

Abstract:

The invention relates to poly(vinylalcohol)-co-poly(vinylamine) copolymers represented as formula (I), where B is greater than or equal to 1, L is independently of each other a chemical linking group which is -NH-, -N=, >N-, >N<+>+<, -O- or -CO-, COPOLYMER is derived from a prepolymer of the formula (II) where R1 and R3 are independently H; 3-propionic acid or C1,-C6 alkyl ester thereof; or is 2-methyl-3-propionic acid or C1-C6 alkyl ester thereof, R2 and R4 are independently H or C1,-C6 alkyl, x+y+z is between about 3 and about 50 mole percent and q, n and m together make up the remainder of the mole percent, the indices x, y, z, n, m -and q independently may be 0, if q is not 0, b may also be 0.

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Inventors:

RENZ WALTER L (US)
RAVICHANDRAN RAMANATHAN (US)
NAISBY ANDREW J (US)
SUHADOLNIK JOSEPH (US)
WOOD MERVIN GALE (US)
XIONG RONG (US)

Application Number:

PCT/EP2002/014321

Publication Date:

October 23, 2003

Filing Date:

December 16, 2002

Export Citation:

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Assignee:

CIBA SC HOLDING AG (CH)
RENZ WALTER L (US)
RAVICHANDRAN RAMANATHAN (US)
NAISBY ANDREW J (US)
SUHADOLNIK JOSEPH (US)
WOOD MERVIN GALE (US)
XIONG RONG (US)

International Classes:

B41M5/00; B41M5/50; B41M5/52; B41J2/01; C08F8/00; C08F8/12; C09D11/00; (IPC1-7): C08F8/00; B41M5/00; C09D11/00

Foreign References:

US4895828A	1990-01-23
EP0339371A2	1989-11-02
EP0580079A1	1994-01-26
EP0580078A1	1994-01-26

Other References:

PATENT ABSTRACTS OF JAPAN vol. 199, no. 805 30 April 1998 (1998-04-30)
PATENT ABSTRACTS OF JAPAN vol. 199, no. 805 30 April 1998 (1998-04-30)
DATABASE WPI Section Ch Week 199348, Derwent World Patents Index; Class A14, AN 1993-383267, XP002241236

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