Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1996-09-13
1999-06-22
Yamnitzky, Marie
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428328, 428212, 4283044, 4283073, 428457, 428613, 433223, 4332281, 419 2, 298961, 75955, B32B 516
Patent
active
059141859
ABSTRACT:
A moldable dental material composition comprising high-fusing temperature metal particles, a volatile binder, preferably in a concentration of above at least twenty percent (20%) of the material composition, and finely divided carbonaceous particles, preferably of activated carbon. The high-fusing temperature metal particles should have an irregular, nonspherical geometry and a thin cross-sectional average thickness. The moldable dental composition may also contain low-fusing temperature metal particles for enhanced wetting of the high-fusing metal particles during heat treatment at a heat-treatment temperature which will melt the binder and substantially melt the low-fusing metal particles, if present. Heat treatment forms a porous metal structure having a capillary network of voids and a high void volume.
REFERENCES:
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patent: 5272184 (1993-12-01), Shoher et al.
patent: 5332622 (1994-07-01), Shoher et al.
patent: 5593305 (1997-01-01), Shoher et al.
Shoher Itzhak
Whiteman Aharon Eliyahu
Lieberstein Eugene
Yamnitzky Marie
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