Ceramic pigments on apatite basis

Details Ceramic pigments on apatite basis Ceramic pigments on apatite basis

2007-10-31

2010-02-16

Koslow, C. Melissa (Department: 1793)

Compositions: coating or plastic

Materials or ingredients

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

C106S480000, C106S462000, C106S461000, C423S306000, C423S311000, C423S594800

Reexamination Certificate

active

07662227

ABSTRACT:
The present invention relates to compounds on apatite basis, having the general formula M5(A04)3X wherein X is situated in the hexagonal channels of the apatite structure and includes Cu-atoms, processes for the preparation thereof as well as applications of these compounds. The compounds presented herein are particularly useful as pigments.

REFERENCES:
patent: 7481876 (2009-01-01), Kazin et al.
Carrillo-Cabrera et al., “Pentastrontium Tris[tetraoxovanadata(V)] catena-Monoxocuprate(I), Sr5(VO4)3(CuO)-An Apatite Derivative with Inserted Linear 1[Cuo]1- Chains,” Z. Anorg. Allg. Chem. 1999, 625, pp. 183-185, XP009017131.
Kazin et al., “Crystal Structure and Properties of Strontium Phosphate Apatite with Oxocuprate Ions in Hexagonal Channels,” Z. Anorg. Allg. Chem., 2003, 629, pp. 344-352, XP009017125.
Patel et al., “Preparation and Characterization of Mixed (Ca+Ba+Cu) hydroxylapatites,” J. Indian Chem. Soc., vol. 61, No. 10, 1984, pp. 906-907, XP009017132.

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