Carbonless copying paper

Details Carbonless copying paper Carbonless copying paper

1993-10-12

1995-04-18

Hess, B. Hamilton

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Having nonchromogenic liquid spread-control or...

503200, 503207, 503209, 503214, 503215, B41M 5155

Patent

active

054078920

ABSTRACT:
The present invention is characterized by using an ampholytic latex as binder in a carbonless copying paper prepared by coating on a support a coating composition comprising a stilt agent, a binder and anionic microcapsules containing a color former and drying the composition. The present invention is further characterized by using an association forming polymer in a coating composition in a carbonless copying paper prepared by coating on a support a coating composition containing a stilt agent, a binder mainly composed of a latex and microcapsules containing a color former and drying the coating composition. The present invention is further characterized by using an association forming polymer in a coating composition without using a stilt agent in a carbonless pressure-sensitive copying paper prepared by coating a coating composition comprising a latex and microcapsules containing a color former and drying the composition.

REFERENCES:
patent: 4688060 (1987-08-01), Tanaka et al.
patent: 4931422 (1990-06-01), Ishiguro et al.
Derwent English Abstract JP 63-063021 Mar. 1988.
Derwent English Abstract JP 63-063022 Mar. 1988.

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