Ink for marking pen

Details Ink for marking pen Ink for marking pen

1985-09-03

1987-05-12

Yarbrough, Amelia B.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 22, 106 26, 106 27, 106 29, 106 30, 106300, 106308F, 106308M, C09D 1108, C09D 1110, C09D 1114

Patent

active

046647112

ABSTRACT:
A marking ink for use in marking pens is described, comprising 5 to 40% by weight of titanium dioxide surface treated with an alkaline earth metal or aluminum salt of a fatty acid having from 6 to 22 carbon atoms, 3 to 20% by weight of a resin, and a remainder of an organic solvent capable of dissolving therein the resin. The marking ink may further contain 0.5 to 30% by weight of a colorant. In this marking ink, precipitation and separation of titanium dioxide is controlled, and even if such precipitation and separation occur, titanium dioxide can be easily re-dispersed in the ink.

REFERENCES:
patent: 2232723 (1941-02-01), Patterson
patent: 3617323 (1971-11-01), Riegler
patent: 3642510 (1972-02-01), Sugiyama
patent: 4370171 (1983-01-01), Robinson et al.
patent: 4386171 (1983-05-01), Graham et al.

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