Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Patent
1991-08-27
1992-10-27
Housel, James C.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
422 99, 422248, 432156, 432264, 432265, B01L 304
Patent
active
051587505
ABSTRACT:
A boron nitride crucible having a closed end, an open end, an internal surface and an external surface, and wherein at least a portion of the external surface, preferably proximate the open end of the crucible, has a duplex coating comprising an undercoat of pyrolytic graphite and a top coat of pyrolytic boron nitride. A process for making the boron nitride crucible is also disclosed.
REFERENCES:
patent: 1475650 (1923-11-01), Osborne
patent: 1709729 (1929-04-01), Landgraf et al.
patent: 1721994 (1929-07-01), Greenslade et al.
patent: 3345059 (1967-10-01), Swindt
patent: 3986822 (1976-10-01), Lashway
patent: 4058579 (1977-11-01), Lashway
patent: 4090851 (1978-05-01), Berkman et al.
patent: 4264803 (1981-04-01), Shinko
patent: 4446357 (1984-05-01), Barshter
patent: 4596700 (1986-06-01), Tada et al.
patent: 4613306 (1986-09-01), Bauer et al.
patent: 4773852 (1988-09-01), Tanji et al.
Price List Boralloy.RTM. Pyrolytic Boron Nitride High Purity Crucibles-Boats-Dishes, Catalog Section H-8770, pp. 1-2, Jan. 18, 1988, Union Carbide Coatings Service Corporation, Advanced Ceramics, Cleveland, Ohio.
"Boralectric.TM. Boralloy.RTM. Pyrolytic Boron Nitride (PBN)/Pyrolytic Graphite (PG) Resistance Heating Elements, Union Carbide Coatings Service Corporation", Advanced Ceramics, sales literature.
Boralloy.RTM. Pyrolytic Boron Nitride, Union Carbide Corporation, pp. 1-19 sales literature, 1987.
Price List Boralloy.RTM. Pyrolytic Boron Nitride Molecular Beam Epitaxy Crucibles, Catalog Section H-8762, Jan. 18, 1988, pp. 1-2, Union Carbide Coatings Service Corporation, Advanced Ceramics, Cleveland, Ohio.
Housel James C.
Ludlow Jan M.
O'Brien Cornelius F.
Praxair S.T. Technology, Inc.
LandOfFree
Boron nitride crucible does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Boron nitride crucible, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Boron nitride crucible will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-904306