Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1984-08-08
1986-08-12
McCamish, Marion C.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428375, 428392, 428400, 428402, D02G 300
Patent
active
046055940
ABSTRACT:
Fired ceramic article, which exhibits a uniform, porous sheath and a core. The porous sheath or outer layer of the article can be filled with various infiltrates, e.g., catalysts, in order to provide the article with useful properties. The article can be prepared by treating a fired ceramic article with a leachant, e.g., hydrofluoric acid or a precursor thereof.
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Hatch Robert A.
Owens Kenneth E.
McCamish Marion C.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Smith James A.
Weinstein David L.
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