C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
C09C 1/40 (2006.01) C01B 13/36 (2006.01) C01F 7/44 (2006.01) C04B 35/111 (2006.01) C04B 35/624 (2006.01)
Patent
CA 2074402
A COLORED CORUNDUM COMPOSITE AND PROCESSES FOR ITS PRODUCTION AND ITS USE ABSTRACT OF THE DISCLOSURE Colored corundum composite with a matrix of .alpha.-A12O3, as formed by sol-gel process ending in sintering and size reduction steps with addition of oxide pigments (or precursors of such oxide pigments, formable to the oxide pigment in sinter heating) added to the sol before full gelation thereof. STA 34-Foreign Countries
Fister Dietmar
Moeltgen Paul
Winter Gerhard
Fetherstonhaugh & Co.
Fister Dietmar
Moeltgen Paul
Starck (h.c.) G.m.b.h. & Co. Kg
Winter Gerhard
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