Title:
GLASS CERAMICS
Document Type and Number:
WIPO Patent Application WO2004071979
Kind Code:
A3
Abstract:
The present invention relates to glass ceramics, in particular to machinable glass ceramics based on mica (eg fluormica) and to a process for preparing such glass ceramics by melting and crystallising magnesium fluoro alumino-silicate glasses and to their uses such as in dental crowns and inlays or industrially where there is a requirement for good electrical insulation and/or low thermal conductivity coupled with excellent machinability.
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Inventors:
WOOD DAVID (GB)
MASKILL STUART (GB)
BUBB NIGEL (GB)
MASKILL STUART (GB)
BUBB NIGEL (GB)
Application Number:
PCT/GB2004/000574
Publication Date:
January 20, 2005
Filing Date:
February 12, 2004
Export Citation:
Assignee:
UNIV LEEDS (GB)
WOOD DAVID (GB)
MASKILL STUART (GB)
BUBB NIGEL (GB)
WOOD DAVID (GB)
MASKILL STUART (GB)
BUBB NIGEL (GB)
International Classes:
A61K6/027; A61K6/06; C03C10/16; (IPC1-7): C03C10/16; A61K6/06
Foreign References:
| US4536452A | 1985-08-20 | |||
| US3689293A | 1972-09-05 | |||
| US4652312A | 1987-03-24 |
Other References:
TOMOKO UNO ET AL: "HIGH-STRENGTH MICA-CONTAINING GLASS-CERAMICS", JOURNAL OF THE AMERICAN CERAMIC SOCIETY, AMERICAN CERAMIC SOCIETY. COLUMBUS, US, vol. 74, no. 12, 1 December 1991 (1991-12-01), pages 3139 - 3141, XP000257664, ISSN: 0002-7820
PATENT ABSTRACTS OF JAPAN vol. 0145, no. 05 (C - 0775) 5 November 1990 (1990-11-05)
PATENT ABSTRACTS OF JAPAN vol. 0145, no. 05 (C - 0775) 5 November 1990 (1990-11-05)
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