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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