Chemistry of inorganic compounds – Radioactive
Reexamination Certificate
2005-11-22
2005-11-22
Langel, Wayne A. (Department: 1754)
Chemistry of inorganic compounds
Radioactive
C423S250000, C423S251000, C423S252000, C423S254000, C423S263000, C423S289000, C423S297000, C423S439000, C423S440000, C423S592100, C423S593100
Reexamination Certificate
active
06967011
ABSTRACT:
The invention relates to a method of synthesizing high-temperature melting materials. More specifically the invention relates to a containerless method of synthesizing very high temperature melting materials such as borides, carbides and transition-metal, lanthanide and actinide oxides, using an Aerodynamic Levitator and a laser. The object of the invention is to provide a method for synthesizing extremely high-temperature melting materials that are otherwise difficult to produce, without the use of containers, allowing the manipulation of the phase (amorphous/crystalline/metastable) and permitting changes of the environment such as different gaseous compositions.
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patent: 5749937 (1998-05-01), Detering et al.
patent: 6409797 (2002-06-01), Armstrong et al.
patent: 6830738 (2004-12-01), Lupinetti et al.
US 5,059,563, 10/1991, Khazai et al. (withdrawn)
“What Is New on the Levitation Front?”, Journal of Non-Crystalline Solids, vol. 312-314, p. 297-298, Souboungi et al., Oct. 2002.
Glorieux Benoit
Saboungi Marie-Louise
Gottlieb Paul A.
Lally Brian J.
Langel Wayne A.
Park Daniel D.
The United States of America as represented by the United States
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