Ink compositions and writing instruments including the compositi

Details Ink compositions and writing instruments including the compositi Ink compositions and writing instruments including the compositi

1987-10-08

1988-11-22

Barr, Josephine

Coating implements with material supply

Including floating follower in reservoir

Fluid follower

106 20, 106 22, 106 23, 106 25, 523161, B43K 708, C09D 1100

Patent

active

047861983

ABSTRACT:
Novel improved aqueous based, water-fast, shock resistant, shear-thinning ink compositions and ball-point pens 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 binder material in a highly polar solvent system. On drying, the ink compositions provide a coalesced residue of binder and colorant(s) which is water-fast.

REFERENCES:
patent: 3526522 (1970-09-01), Seregely
patent: 3656857 (1972-04-01), Seregely
patent: 4666519 (1987-05-01), Akiyama et al.
patent: 4671691 (1987-06-01), Case et al.
patent: 4687791 (1987-08-01), Miyajima et al.
patent: 4726845 (1988-02-01), Thompson et al.

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