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US 4,105,572 AGranted
Ferromagnetic toner containing water-soluble or water-solubilizable resin(s)
AssigneeE. I. Du Pont de Nemours and Company
InventorEmery J. Gorondy
Life of this patent
Estimating the term…
Abstract
Ferromagnetic toner which is useful in magnetic printing processes and devices for printing a variety of substrates, including textiles, such as fabric and yarn, film, paper, metal and wood, which toner comprises a ferromagnetic component, a dye and/or chemical treating agent and a readily fusible water-soluble or -solubilizable, preferably thermoplastic, resin which substantially encapsulates the ferromagnetic component and the dye and/or treating agent.
Claims54
Ferromagnetic toner for magnetically printing a substrate, said toner comprising:
- (a) at least one ferromagnetic component;
- (b) at least one member of the group consisting of dye and chemical treating agent, said agent being selected from the group consisting of flame-retarding agent, biocide, ultraviolet light absorber, fluorescent brightener, dyeability modifier, soil-release agent and water-proofing agent;
- and
- (c) a readily fusible, aqueous scour-removable water-soluble or water-solubilizable resin which substantially encapsulates (a) and (b).
1 more element
Dependencies are inferred from the claim text.