Writing fluid

Details Writing fluid Writing fluid

1984-02-22

1985-07-30

Kight, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 25, 524198, 523161, C09D 1114, C09D 1104

Patent

active

045322767

ABSTRACT:
A writing or recording fluid on an aqueous basis, such as an ink, comprising coloring agents, binder, water and, optionally, other additives. The invention discloses polyurethane, preferably a linear polyurethane in aqueous dispersions as the binder.

REFERENCES:
patent: 3961965 (1976-06-01), Zwahlen
patent: 4243694 (1981-01-01), Mansukhani
patent: 4304601 (1981-12-01), Sharp
patent: 4402262 (1983-09-01), Handforth

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