Compositions: ceramic – Ceramic compositions – Titanate – zirconate – stannate – niobate – or tantalate or...
Reexamination Certificate
2005-10-14
2009-10-06
Group, Karl E (Department: 1793)
Compositions: ceramic
Ceramic compositions
Titanate, zirconate, stannate, niobate, or tantalate or...
C423S594170, C427S255280
Reexamination Certificate
active
07598196
ABSTRACT:
The present invention relates to vapor-deposition materials comprising Ta2Ox, where x=4.81 to 4.88, to processes for the preparation of the vapor-deposition materials, and to the use thereof for the production of layers of high refractive index.
REFERENCES:
patent: 4156622 (1979-05-01), Lindmayer
patent: 2006/0280950 (2006-12-01), Ritz et al.
patent: 04-325669 (1992-11-01), None
H. John et al., “High Temperature Solid-Solubility Limit and Phase Studies in the System Tantalum-Oxygen”, Journal of the Less-Common Metals, vol. 27 (1972), pp. 297-309.
Anthes Uwe
Dombrowski Reiner
Dombrowski, legal representative Beate
Friz Martin
Group Karl E
Merck Patent GmbH
Millen White Zelano & Branigan P.C.
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