Production of pigment compositions

Details Production of pigment compositions Production of pigment compositions

1992-11-17

1994-11-22

Group, Karl

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106 20R, 106 30R, 106413, 106493, 106496, 106499, 106500, 106502, 106504, C09B 6750

Patent

active

053665465

ABSTRACT:
A process for the production of a pigment composition, comprising combining a) a dispersion of one or more non-polar components of a surface coating vehicle, or a non-polar additive for the pigment composition in an aqueous solution of a salt of a polar pigment additive, with b) an aqueous slurry of a pigment or a precursor thereof, before, during or after the synthesis of the pigment; and then isolating the pigment composition so obtained.

REFERENCES:
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patent: 4177082 (1979-12-01), Robertson et al.
patent: 4188236 (1980-02-01), Robertson et al.
patent: 4192841 (1980-03-01), Robertson et al.
patent: 4634471 (1987-01-01), Foye et al.
patent: 4759801 (1988-07-01), Goldmann et al.
patent: 4765841 (1988-08-01), Vinther et al.
patent: 5041163 (1991-08-01), Booth et al.
patent: 5108509 (1992-04-01), Booth et al.
Chem. Abst. Dyes & Textile Chem. 1945, 422-3 of German Patent 739873 Oct. 1943.
Derw. Abst. 76-04123X03--of FR 2275533 Feb. 1976.
Derw. Abst. 75-32450W/20--of FR 2249145 Jun. 1975.

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