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US 6,663,702 B1Granted
Printing ink
AssigneeSericol Limited
InventorGeoffery Paul Day
Life of this patent
Estimating the term…
Abstract
This invention concerns inks for use in ink-jet printers for printing on to impervious or non-porous substrates such as, for example, glass, ceramics, plastics such as, for example, polycarbonate, polyvinyl chloride, cellulose acetate butyrate, and metals. The inks comprise a resin and two solvents having different evaporation rates. The inks dry quickly without the need for heat.
Claims18
An ink for use in an ink-jet printer, the ink comprising:
- a resin;
- a first solvent;
- and a second solvent;
- the first solvent having an evaporation rate of between 15 and 45 units using butyl acetate as the standard having an evaporation rate of 100 units and which is higher than the evaporation rate of the second solvent, and being capable of dissolving more than 5% by weight of the resin at 25° C.;
- the second solvent not being capable of dissolving more than 5% by weight of the resin at 25° C.
2 more elements
Dependencies are inferred from the claim text.