Process for the production of zirconium boride powder

Chemistry of inorganic compounds – Boron or compound thereof – Binary compound

Reexamination Certificate

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C423S639000

Reexamination Certificate

active

06908599

ABSTRACT:
The present invention provides an improved process for the manufacture of zirconium boride by reacting boric acid, a Zirconium compound and magnesium and leaching the resulting product mixture to obtain zirconium boride with high purity.

REFERENCES:
patent: 3088805 (1963-05-01), Cotter et al.
patent: 4414188 (1983-11-01), Becker
patent: 4503021 (1985-03-01), Brynestad et al.
patent: 5169832 (1992-12-01), Khazai et al.
patent: 5587140 (1996-12-01), Fujiwara et al.
patent: 2004/0126299 (2004-07-01), Ovrebø et al.
patent: 9103423 (1991-03-01), None
Database WPI Section CH, Week 200215 Derwent Publications LTD., London, GB; Class E32, AN 2002-106847 XP002222622 & CN 1317519A (China . . . Inst), Oct. 17, 2001.
Database WPI Setion CH, Week 198831 Derwent Publications LTD., London, GB; Class E37, AN 1988-215165 XP002222623 & JP 63095113A (Kawasaki . . . Corp), Apr. 26, 1988.
Database CA Online! Chemical Abstracts Service, Columbus, Ohio, US; Wusirika, Raja R.: “Boride Powder”, Retrieve from STN Database Accession No. 106:8664 CA.
Maron F.S. et Germaidze M.S.: “New Method . . . Boride”; Journal of Applied Chemistry of USSR, vol. 43, No. 8, Aug. 1970, pp. 1837-1838, XP008011308 p. 1838.

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