KOH neutralized metatitanic acid mixture and complex inorganic p

Details KOH neutralized metatitanic acid mixture and complex inorganic p KOH neutralized metatitanic acid mixture and complex inorganic p

1998-10-16

2000-03-14

Green, Anthony

Compositions: coating or plastic

Materials or ingredients

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

106439, 106440, 106441, 106442, 106449, C09C 136, C04B 1400

Patent

active

060367636

ABSTRACT:
In one embodiment, the present invention relates to a KOH neutralized metatitanic acid mixture containing from about 30% to about 99% by weight metatitanic acid, from about 1% to about 20% by weight of a titanyl compound, and optionally from about 0% to about 55% by weight titanium dioxide, wherein the KOH neutralized metatitanic acid mixture has a pH from about 4 to about 6.5. In another embodiment, the present invention relates to a pigment composition made by combining a KOH neutralized metatitanic acid mixture and at least one guest element precursor, wherein the KOH neutralized metatitanic acid mixture contains metatitanic acid, a titanyl compound, and optionally titanium dioxide, the KOH neutralized metatitanic acid mixture having a pH from about 4 to about 6.5.

REFERENCES:
patent: 3022186 (1962-02-01), Hund
patent: 3969129 (1976-07-01), Savenkova et al.
patent: 4097300 (1978-06-01), Balducci et al.
patent: 4272291 (1981-06-01), Shtern et al.
patent: 4849391 (1989-07-01), Riva et al.
patent: 4885034 (1989-12-01), Kreth et al.
patent: 5006175 (1991-04-01), Modly
patent: 5192365 (1993-03-01), Modly
Chemical Abstract No. 120:14036, abstract of European Patent Specification No. 547663 (Jun. 1993).

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