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US 5,855,657 AGranted
Inkjet ink
AssigneeAgfa-Gevaert
InventorsPeter Bergthaller, Stefan Herrmann
Life of this patent
Estimating the term…
Abstract
An inkjet ink results in improved color-fastness if the ink contains a water-soluble inorganic thiosulphate, trithionate or tetrathionate or an organic thiosulphate, in an amount of 0.2 to 8% by weight with respect to the ink base.
Claims7
An ink for the inkjet process, which contains 0.2 to 8% by weight, with respect to the ink base, of an inorganic, trithionate or tetrathionate which is soluble in the ink, or of an organic thiosulphate.
Dependencies are inferred from the claim text.