Gas separation: apparatus – Magnetic separating means
Patent
1972-10-25
1977-05-17
Kimlin, Edward C.
Gas separation: apparatus
Magnetic separating means
96 1PE, 96 12, 96 14, 204181, 355 3P, G03G 1704
Patent
active
040239683
ABSTRACT:
In an electrophoretic reproduction process wherein a colored reproduction of an original is obtained by sequentially electrophoretically generating at least two visible monochromatic images, and superimposing said images in registry upon a copy web to form a colored reproduction, an improvement is provided comprising essentially eliminating back migration of marking materials from the copy web to the imaging suspension in the second and subsequent image generating steps by employing, in each instance, marking materials comprising a solvent tackifiable polymer and a colorant and/or a copy web containing a solvent tackifiable polymer, and applying to the copy web at least a partial solvent for said tackifiable polymer in an amount sufficient to render said polymer at least partially tacky before the second and before each subsequent image generating step.
REFERENCES:
patent: 3427242 (1969-02-01), Mihajlov
patent: 3648607 (1972-03-01), Gundlach
patent: 3655370 (1972-04-01), Carreira et al.
patent: 3664834 (1972-03-01), Amidon et al.
patent: 3705797 (1972-12-01), Mihajlov et al.
patent: 3716360 (1973-02-01), Fukushima
patent: 3791823 (1974-02-01), Carreira
Amidon Alan B.
Mammino Joseph
Kenemore Max J.
Kimlin Edward C.
Miller John R.
Ralabate James J.
Tomlin Richard A.
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