Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Of inorganic materials
Patent
1982-07-13
1984-05-29
Czaja, Donald E.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Of inorganic materials
501 80, 501 84, B29H 720
Patent
active
044514158
ABSTRACT:
A foamed ceramic article is manufactured by adding hexagonally crystalline boron nitride as a foaming agent to a raw material formed preponderantly of a feldspar group mineral and sintering the resultant mixture.
REFERENCES:
patent: 3607170 (1971-09-01), Malesak
patent: 3753933 (1973-08-01), Olstowski et al.
patent: 4123285 (1978-08-01), Schuster et al.
patent: 4207114 (1980-06-01), Schuster et al.
patent: 4356271 (1982-10-01), Frances et al.
Agency of Industrial Science & Technology
Czaja Donald E.
Ministry of International Trade & Industry
Thompson W.
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