Browse Prior Art Database

DEVELOPER COMPOSITIONS CONTAINING QUATERNIZED VINYLPYRIDINE POLYMERS AND COPOLYMERS

IP.com Disclosure Number: IPCOM000024862D
Original Publication Date: 1982-Jun-30
Included in the Prior Art Database: 2004-Apr-04
Document File: 2 page(s) / 58K

Publishing Venue

Xerox Disclosure Journal

Abstract

Disclosed is a developer composition useful for developing electrostatic latent - images, which composition is comprised of resin particles, pigment particles, carrier particles and a charge enhancing component comprised of a partially quaternized vinylpyridinum polymer or copolymer selected from the group con-sisting of those materials of the following formula:

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This is the abbreviated version, containing approximately 100% of the total text.

Page 1 of 2

(EROX DISCLOSURE JOURNAL

DEVELOPER COMPOSITIONS CONTAINING Proposed Classification QUATERNIZED VINYLPYRIDINE POLYMERS
AND COPOLYMERS Int. C1. G03g
Chin H. Lu

Disclosed is a developer composition useful for developing electrostatic latent ~

images, which composition is comprised of resin particles, pigment particles, carrier particles and a charge enhancing component comprised of a partially quaternized vinylpyridinum polymer or copolymer selected from the group con- sisting of those materials of the following formula:

H

I

C C

U.S. CI. 430

y

1" 4-

and

Volume 7 Number 3 May/June 1982 209

H

C

'C

H

[This page contains 1 picture or other non-text object]

Page 2 of 2

DEVELOPER COMPOSITIONS CONTAINING QUATERNIZED VINYLPY RIDINE POLYMERS AND COPOLYMERS (Cont'd)

H ' A U

-c c I H 1L

NJ

H

H H

!,

I

I I

c-c

wherein R is an alkyl radical, A is an anion, B is an alkyl radical or hydrogen, S is an acrylate, phenyl, halogen, or cyano radical and x, y, u, v, w represent weight fraction numbers, subject to the provision that the sum of x and y is equal to 1, and the sum of u, v, and w is equal to 1.

XEROX 210 DISCLOSURE JOURNAL

Volume 7 Number 3 May/June 1982

I c-

H

S

f

[This page contains 1 picture or other non-text object]