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Fechner; Wolf D.
Dirmstein, DE
No. of patents:

Patent Number Title Of Patent Date Issued
4523958 Pigment formulations and their use of pigmenting gravure printing inks and finishes June 18, 1985
Readily dispersible formulations comprising (a) finely divided copper phthalocyanine and (b) an iron hexacyanoferrate-III pigment are obtained by thoroughly milling a mixture of (a) and (b).The performance characteristics and tinctorial properties of the formulations comprising (a) and (
4490176 Fluid, stable formulations December 25, 1984
Stable, fluid formulations contain (a) finely divided iron cyano complexes, iron-III oxides or iron-III oxide hydrates, (b) one or more C.sub.6 -C.sub.18 -alkylbenzenesulfonic acid, (c) one or more compounds which are obtained by Mannich condensation from 2-hydroxynaphthalene, which may
4350534 Fluid, stable formulations of copper phthalocyanine or indanthrone September 21, 1982
A stable fluid formulation which comprises (a) finely divided .alpha.- or .beta.-copper phthalocyanines or finely divided indanthrone, one or more C.sub.6 -C.sub.18 -alkylbenzenesulfonic acids (b), a basic copper phthalocyanine (c) of the formula ##STR1## where CuPc is an n-valen

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