Specialized metallurgical processes – compositions for use therei – Compositions – Consolidated metal powder compositions
Reexamination Certificate
2007-07-31
2007-07-31
King, Roy (Department: 1742)
Specialized metallurgical processes, compositions for use therei
Compositions
Consolidated metal powder compositions
C175S374000, C051S307000
Reexamination Certificate
active
10464873
ABSTRACT:
A new composition for forming a matrix body which includes spherical sintered tungsten carbide and an infiltration binder including one or more metals or alloys is disclosed. In some embodiments, the composition may include a Group VIIIB metal selected from one of Ni, Co, Fe, and alloys thereof. Moreover, the composition may also include cast tungsten carbide. In addition, the composition may also include carburized tungsten carbide.
REFERENCES:
patent: 4525178 (1985-06-01), Hall
patent: 5290507 (1994-03-01), Runkle
patent: 5880382 (1999-03-01), Fang et al.
patent: RE37127 (2001-04-01), Schader et al.
patent: 6659206 (2003-12-01), Liang et al.
patent: 6682580 (2004-01-01), Findeisen et al.
patent: 2002/0084111 (2002-07-01), Evans
patent: 2003/0000339 (2003-01-01), Findeisen et al.
patent: 2410122 (2003-04-01), None
patent: 10157079 (2003-02-01), None
patent: 2295157 (1996-05-01), None
patent: 2295175 (1996-05-01), None
patent: 2315777 (1998-02-01), None
United Kingdom Combined Search and Examination Report, dated Dec. 12, 2003, 5 pages.
Canadian Official Action dated Jan. 11, 2006.
Canadian Official Action issued in Application No. 2,442,198 dated Oct. 31, 2006 (2 pages).
Kembaiyan Kumar T.
Oldham Thomas W.
King Roy
Mai Ngoclan T.
Osha & Liang LLP
Smith International Inc.
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