Hybrid marking instrument and writing ink composition

Details Hybrid marking instrument and writing ink composition Hybrid marking instrument and writing ink composition

1986-06-04

1988-02-23

Yarbrough, Amelia Burgess

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 26, 106209, 106217, 524 27, 524 31, 524 32, 524 55, 524 58, C09D 1114

Patent

active

047268450

ABSTRACT:
A writing ink composition having a pseudoplasticity index value between about 0.02 and 0.18, a low-shear viscosity between about 25,000 and 120,000 cP, and a high-shear viscosity between about 6 and 26 cP can be used in a hybrid, ball-point marking instrument which combines advantageous features of both paste-ink and liquid-ink ballpens. The writing ink can be prepared using a colloid milling procedure.

REFERENCES:
patent: 4483848 (1984-11-01), Cox et al.
patent: 4506044 (1985-03-01), Cox et al.

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