Stock material or miscellaneous articles – Composite – Of quartz or glass
Patent
1976-03-23
1978-08-01
Robinson, Ellis
Stock material or miscellaneous articles
Composite
Of quartz or glass
427 94, 427 93, 427377, 427380, 428446, B32B 1304
Patent
active
041044428
ABSTRACT:
The invention concerns a silicon nitride-containing material with a gas-tight surface and improved oxidation resistance, and the invention also relates to a process for the production of such material.
REFERENCES:
patent: 2741565 (1956-04-01), Halverson
patent: 3455729 (1969-07-01), Deeley
patent: 3811928 (1974-05-01), Henney
Robinson Ellis
Rosenthal AG
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