Demand and timed renewing imaging media

Details Demand and timed renewing imaging media Demand and timed renewing imaging media

1979-11-15

1981-11-10

Hess, Bruce H.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

3461351, 427146, 428307, 428331, B41M 500, G01D 1534

Patent

active

042998808

ABSTRACT:
Microvoid-containing sheet material of the type which displays visible indicia when a liquid applied to the surface fills the microvoids. The improvement lies in making the liquid-receiving surface from particles held in pseudo-sintered juxtaposition by a thermoset binder, thereby rendering the structure resistant to inadvertent marking when it is subjected to heat, pressure, or both.

REFERENCES:
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patent: 866293 (1907-09-01), Meyer
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patent: 2854350 (1958-09-01), Philpotts
patent: 3031328 (1962-04-01), Larsen
patent: 3247006 (1966-04-01), Hoge et al.
patent: 3508344 (1970-04-01), Thomas
patent: 3684551 (1972-08-01), Seiner
patent: 4064304 (1977-12-01), Fujita
Clancy, "Microvoid Coatings in Graphic Arts Applications, A Patent Survey," Ind. Eng. Chem. Prod. Res. Develop., vol. 13, #1, pp. 30-34, 1974.
Seiner, "Microvoids as Pigments, A Review," Ind. Eng. Chem. Prod. Res. Dev., vol. 17, #4, pp. 302-317, 1978.

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