1
Donald R Allred: Thermally reversible sol-gel phase change ink or bubble jet ink. Dataproducts Corporation, Woodcock Washburn Kurtz Mackiewicz & Norris, June 4, 1991: US05021802 (56 worldwide citation)

Novel impulse ink or bubble jet inks are disclosed which comprise 90-99.9% by weight of aqueous sol-gel medium and 0.1-10% by weight colorant. The inks are thermally reversible sol-gels which are gels at ambient temperatures and sols at temperatures between about 40.degree.-100.degree. C.


2
Allred Donald Ray: Thermally reversible sol-gel phase change ink or bubble jet ink.. Dataproducts, August 23, 1989: EP0329026-A1 (13 worldwide citation)

Novel impulse ink or bubble jet inks are disclosed which comprise 90-99.9 % by weight of aqueous sol-gel medium and 0.1-10 % by weight colorant. The inks are thermally reversible sol-gels which are gels at ambient temperatures and sols at temperatures between about 40 DEG -100 DEG C.