Uintaite-derived toners and printing inks

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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Details

430109, C08L 3104, C08L 5900, C08L 6700, C08L 9500

Patent

active

052294412

ABSTRACT:
A composition useful in copying and printing is described. In one embodiment, the composition comprises a purified fraction of uintaite and a thermoplastic polymer. Preferably, the composition comprises a maltene-enriched fraction of uintaite derived by solvent extraction, a thermoplastic polymer and a colorant. In another embodiment, the present invention is an electrophotographic method comprising the steps of generating a latent electrostatic image; developing said latent image with a toner comprising a purified fraction of uintaite; and fixing said toner. The present invention is also a printing ink emulsion comprising a maltene-enriched fraction of uintaite.

REFERENCES:
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patent: 3671646 (1972-06-01), Kurita et al.
patent: 4018601 (1977-04-01), Hagenbach
patent: 4254201 (1981-03-01), Sawai et al.
patent: 4554019 (1985-11-01), Moynihan
patent: 4591611 (1986-05-01), Jenkins et al.
patent: 4592988 (1988-06-01), Aldrich et al.
"E R Resins", Industry Evaluation Program, American Gilsonite Co., Sep. 1987.
"E R Resins", R & D Progress Report, American Gilsonite Co., Sep. 1987 (I).
"E R Resins", R & D Progress Report American Gilsonite Co., Sep. 1987 (II).

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