Shock resistant ink compositions and writing instruments includi

Details Shock resistant ink compositions and writing instruments includi Shock resistant ink compositions and writing instruments includi

1989-05-05

1990-11-20

Barr, Josephine

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 20, 106 23, B43K 708

Patent

active

049716280

ABSTRACT:
Novel, improved aqueous-based, shear-thinning, shock-resistant ink compositions and writing instruments including the ink compositions. The ink compositions comprise a substantially uniform dispersion of colorant(s), a water-dispersible polymeric shear-thinning material, and a substantially water-soluble polymeric material in a polar solvent system.

REFERENCES:
patent: 3526522 (1970-09-01), Seregely et al.
patent: 3656857 (1972-04-01), Seregely et al.
patent: 4671691 (1987-06-01), Case et al.

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