Preparation whose coloring depends on the viewing angle

Details Preparation whose coloring depends on the viewing angle Preparation whose coloring depends on the viewing angle

1997-07-08

1998-12-22

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Miscellaneous

106266, 106272, 10628716, 514772, 5147723, A61K 4730, C09K 1902

Patent

active

058512772

ABSTRACT:
The invention relates to cosmetic or pharmaceutical preparations comprising pigments whose coloring depends on the viewing angle and comprising additives which are customary for cosmetic or pharmaceutical preparations, wherein the pigments comprise at least one oriented crosslinked substance having a liquid-crystalline structure with a chiral phase, are plateletlike in form and have a thickness of 1-20 .mu.m.

REFERENCES:
patent: 3711308 (1973-01-01), Brand et al.
patent: 3874890 (1975-04-01), Bernhard et al.
patent: 3926659 (1975-12-01), Bernhard et al.
patent: 5362315 (1994-11-01), Muller-Rees et al.
patent: 5364557 (1994-11-01), Faris
U.S. application No. 08/432,298, Muller-Rees et al., filed May 1, 1995.

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