Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Reexamination Certificate
2007-05-29
2007-05-29
Kiliman, Leszek (Department: 1773)
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
C428S404000, C428S405000, C428S406000, C428S407000, C106S404000, C523S440000
Reexamination Certificate
active
10504413
ABSTRACT:
The invention relates to coloured gloss pigments having specific particle dimensions comprising a transparent core of a silicon oxide of the composition SiO0.03to SiO0.95and, optionally, further coatings of silicon dioxide, carbon, a partially transparent metal and/or a dielectric of high refractive index, to a coating method suitable therefor wherein metallic silicon is vapour-deposited in the presence of a low oxygen partial pressure, to the use of such gloss pigments in pigmenting plastics, surface coatings, printing inks and cosmetic compositions, and also to pigmented compositions comprising such gloss pigments.
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Ciba Specialty Chemicals Corp. Application No. 10/870,643 filed Jun. 10, 2004.
Ciba Specialty Chemicals Corp. Application No. 10/870,644 filed Jun. 10, 2004.
Ciba Specialty Chemicals Corporation
Kiliman Leszek
Suhadolnik Joseph C.
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