Thermochromic ink formulations, nail lacquer and methods of use

Details Thermochromic ink formulations, nail lacquer and methods of use Thermochromic ink formulations, nail lacquer and methods of use

1997-03-24

1999-12-07

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Manicure or pedicure compositions

106 20R, 106 23R, A61K 704, C09D 1100

Patent

active

05997849&

ABSTRACT:
A method of making a solvent based ink formulation which includes a thermochromic pigment, wherein the pigment being formed of microcapsules, includes drying a slurry that contains the pigment to a solids concentration between 80% and 95%, mixing the dried slurry in an appropriate mixing base, and adding any desired ink components to the base formulation. Each microcapsule contains a reversible thermochromic coloring material which exhibits a visible change in color between a first color state and a second color state in response to a change in temperature. Acceptable ink components include a gel vehicle, a free flow vehicle, a drying agent, a lithographic varnish, an ink wax, a polyester vehicle, a polyglycol solvent, a colloidal dispersion resin, water, and a defoamer.

REFERENCES:
patent: 5591255 (1997-01-01), Small et al.

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