Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1994-06-17
1996-01-23
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523160, 524 27, 524 58, 106 20R, 106 21C, C09D 1110
Patent
active
054865506
ABSTRACT:
A water based pigmented ink for writing, drawing, painting, printing or marking, is composed of coloring matter, additives, and water as solvent. The coloring matter is a pigment formed of one or more alkaline dyes and of a solid polymer dispersion component. The ink contains an acid group-free polyhydroxy compound as a stabilizer, and at least one surfactant and/or emulsifier, as well as a preservative.
Guarriello John J.
J.S. Staedtler GmbH & Co.
Kueffner Friedrich
Michl Paul R.
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