Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Patent
1998-07-02
2000-07-11
Koslow, C. Melissa
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
106415, 106416, 106417, 424 709, 424 59, 424641, 424642, 424709, 424722, 427215, 428363, 428403, C09C 101, C09C 308, A61K 742, A61K 3330, A61K 3304
Patent
active
060866667
ABSTRACT:
An ultraviolet radiation shielding pigment having a high power of shielding of ultraviolet radiation, particularly UV-A, a low cohesive force, and excellent extensibility and adhesiveness as a pigment for cosmetics. A pigment for shielding an ultraviolet radiation which comprises a flaky powder having particle surfaces coated with particles of barium sulfate having an average diameter of 0.1 to 2.0 microns, and with needle crystal particles of zinc oxide having an average major-axis diameter of 0.05 to 1.5 microns, and a process for manufacturing it.
REFERENCES:
patent: 4603047 (1986-07-01), Watanabe et al.
Noguchi Tamio
Watanabe Yukitaka
Koslow C. Melissa
Merck Patent Gesellschaft mit beschrankter Haftung
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