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Product USA. A.

PATENT ASSIGNEE'S COUNTRY USA
UPDATE 03.99
PATENT ASSIGNEE This data is not available for free
PATENT CLAIMS - Support substrate
- Absorber layer consisting of hydrogel formed from water in
soluble hydrophilic polymer & water soluble polymer, said
hydrogel having higher affinity for polar solvent of ink than
for colorant
- Image receptor layer having higher affinity for colorant of ink
than for polar solvent; whereby when ink is applied to said
medium, the absorber layer draws the polar solvent from ink
& colorant in ink is localized in region of interface of absor
ber layer & image receptor layer
Ink comprising colorant & polar solvent
PATENT PHOTOCOPY Available on request

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