Water base ink composition directly fed to a pen body of a ball-

Details Water base ink composition directly fed to a pen body of a ball- Water base ink composition directly fed to a pen body of a ball-

1996-06-06

1998-06-16

Jagannathan, Vasu

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523160, 524127, 524376, 524377, 260DIG38, C09D 1118

Patent

active

057671729

ABSTRACT:
Water base ink compositions for directly filling in a ball-point pen comprising a dyestuff in the range of 3% to 10% by weight; a humectant in the range of 10% to 40% by weight; thixotropic agent in the range of 0.6% to 1.0% by weight, being composed of a cross-linkable acrylic acid polymer having a molecular weight ranging from 2,000,000 to 6,000,000; and water as a balance the water base ink compositions have no spinnability, tackiness tendency and possibility of drippings and runnings from a pen-point, and can be directly filled into a ball-point pen.

REFERENCES:
patent: 3687887 (1972-08-01), Zabiak
patent: 4136076 (1979-01-01), Daniels
patent: 4154618 (1979-05-01), Burke
patent: 4567213 (1986-01-01), Bhatia et al.
patent: 4711802 (1987-12-01), Tannenbaum
patent: 5281261 (1994-01-01), Lin

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