Multi-sheet assembly using autogenous coating

Details Multi-sheet assembly using autogenous coating Multi-sheet assembly using autogenous coating

1982-07-07

1984-01-10

Hess, Bruce H.

Coating processes

Nonuniform coating

101DIG1, 229 68R, 229 72, 229 75, 282 275, 427150, 427151, 427152, 427153, 427261, 427288, 428195, 428211, 4283208, 428537, 428914, B41M 516, B41M 522

Patent

active

044253869

ABSTRACT:
A multi-ply business form comprising a plurality of sheets in superposed relationship wherein the top sheet comprises a support bearing a localized coating comprising both microscopic pressure rupturable capsules containing a chromogenic material, and an electron acceptor material. At least one underlying sheet can comprise a support bearing a second localized autogenous coating comprising chromogen-containing microscopic pressure rupturable capsules and an electron acceptor material on its upper surface wherein the localized autogenous coatings are non-coextensive.

REFERENCES:
patent: 3914511 (1975-10-01), Vassiliades
patent: 4012554 (1977-03-01), Miller et al.
patent: 4112138 (1978-09-01), Davis et al.
patent: 4172605 (1979-10-01), Welsch et al.
patent: 4199174 (1980-04-01), Sornberger

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