Photochromic flesh-colored pigment and process for producing the

Details Photochromic flesh-colored pigment and process for producing the Photochromic flesh-colored pigment and process for producing the

1990-11-30

1993-01-05

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Face or body powders for grooming, adorning, or absorbing

424 63, A61K 7035

Patent

active

051769050

ABSTRACT:
A photochromic flesh-colored pigment comprising not less than 90 wt % of anatase type titanium oxide having photochromism and a process for producing a photochromic flesh-colored pigment comprising the steps of adding iron hydroxide (FeOOH) to a composition containing untreated anatase type titanium oxide as the main ingredient, and calcining the mixture at 750.degree. to 850.degree. C. It is possible to exhibit a flesh color with a single color with a single pigment and it is also possible to change the color depending upon the intensity of light.

REFERENCES:
patent: 3869298 (1975-03-01), Suzuki et al.
patent: 3926659 (1975-12-01), Bernhard
patent: 3929501 (1975-12-01), Dunn, Jr.
patent: 4084984 (1978-04-01), Hund et al.
patent: 4804532 (1989-02-01), Busch, Jr.
patent: 4919726 (1990-04-01), Rademachers et al.

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