Compositions: ceramic – Ceramic compositions – Refractory
Patent
1993-06-08
1994-09-13
Bell, Mark L.
Compositions: ceramic
Ceramic compositions
Refractory
501 10, 501 41, 501 36, 106711, C04B 3502
Patent
active
053468686
ABSTRACT:
The invention relates to inorganic fibers, and a process for their production. The inorganic fibers lose their fiber form factor after a short contact period with water or a physiological body fluid, so that danger to health is not expected from such fibers remaining for a prolonged period of time in or on human tissue. The fiber of the invention is characterized by the fact that at least 90% of it comprises 20-50% by weight of CaO and 50-80% by weight of Al.sub.2 O.sub.3. The rest comprises a maximum of 10% by weight of typical impurity oxides.
REFERENCES:
patent: 2829063 (1958-04-01), Schwartzwalder et al.
patent: 3150992 (1964-09-01), Crowley
patent: 4162923 (1979-07-01), Schmitt et al.
patent: 5032552 (1991-07-01), Nonami et al.
patent: 5045506 (1991-09-01), Dube et al.
patent: 5137852 (1992-08-01), Morgan et al.
Bell Mark L.
Didier-Werke AG
Jones Deborah
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