IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0519711
(1995-08-28)
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발명자
/ 주소 |
- Sekhar Jainagesh A.
- Duruz Jean-Jacques,CHX
- De Nora Vittorio,BSX
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출원인 / 주소 |
- Moltech. Invent S.A., LUX
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
8 인용 특허 :
0 |
초록
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A method of producing a self-sustaining body of refractory boride from the group consisting of the borides of titanium, chromium, vanadium, zirconium, hafnium, niobium, tantalum, molybdenum and cerium. This body includes a refractory boride and a dried colloid from the group consisting of colloidal
A method of producing a self-sustaining body of refractory boride from the group consisting of the borides of titanium, chromium, vanadium, zirconium, hafnium, niobium, tantalum, molybdenum and cerium. This body includes a refractory boride and a dried colloid from the group consisting of colloidal alumina, silica, yttria, ceria, thoria, magnesia, lithia, monoaluminium phosphate and cerium acetate and is obtained from a slurry of the refractory boride in one or more of said colloids by casting the slurry on a porous plaster layer, and drying the cast slurry by draining through the plaster, or by pressing/drying. Subsequently, the dried body is subjected to heat treatment to bond the refractory boride in the dried colloid. The bodies are useful as components of aluminium electrowinning cells.
대표청구항
▼
[ We claim:] [1.] A method of producing a self-sustaining body of refractory borides from the group consisting of the borides of titanium, chromium, vanadium, zirconium, hafnium, niobium, tantalum, molybdenum and cerium, in which the body includes a refractory boride and a colloid selected from the
[ We claim:] [1.] A method of producing a self-sustaining body of refractory borides from the group consisting of the borides of titanium, chromium, vanadium, zirconium, hafnium, niobium, tantalum, molybdenum and cerium, in which the body includes a refractory boride and a colloid selected from the group consisting of colloidal alumina, silica, yttria, ceria, thoria, zirconia, magnesia, lithia, monoaluminium phosphate and cerium acetate, and is obtained from a slurry of particulate refractory boride in one or more of said colloids by forming and drying the slurry, by casting the slurry into a die or mold and draining the liquid or by the application of pressure to squeeze the liquid out.
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