Aqueous dispersions of fluorescent pigments

Details Aqueous dispersions of fluorescent pigments Aqueous dispersions of fluorescent pigments

1992-09-29

1994-03-15

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524564, 524565, 524599, 524609, 25230135, C08L 3310, C08L 3102, C08L 8100, C09K 1106

Patent

active

052946649

ABSTRACT:
An aqueous dispersion of a fluorescent pigment comprising: a water insoluble polymer; fluorescent dye; emulsifiers; and water. The polymer comprises: a water insoluble vinyl monomer free of polar groups; vinyl nitrile; a vinyl monomer containing sulfonate groups; and a polar vinyl monomer from the group consisting of: polar acrylate esters; vinyl acetate; polar methacrylate esters and a substituted acrylamide containing hydroxyl or carboxylic ester groups. The invention also relates to a fluorescent pigment and method for preparing the dispersion and pigment.

REFERENCES:
patent: 3666810 (1972-05-01), Hoke
patent: 4016133 (1977-04-01), Hyosu et al.
patent: 4302350 (1981-11-01), Callicott
patent: 4623689 (1986-11-01), Shintani et al.

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