Chemistry of inorganic compounds – Carbon or compound thereof – Binary compound
Reexamination Certificate
2006-10-10
2006-10-10
Langel, Wayne (Department: 1754)
Chemistry of inorganic compounds
Carbon or compound thereof
Binary compound
C423S059000, C977S775000, C977S776000
Reexamination Certificate
active
07118724
ABSTRACT:
Nanophase WC powder is produced by preparing a precursor including tungsten; producing gas by vaporizing or sublimating the precursor; carbonizing the gas in the atmosphere without oxygen while maintaining pressure below atmospheric pressure; and condensing the carbonized gas
Choi Chul Jin
Ha Gook Hyun
Kim Byung Kee
Kim Jin Chun
Korea Institute of Machinery and Materials
Langel Wayne
Lowe Hauptman & Berner
Raetzsch Alvin T
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