Compositions: coating or plastic – Coating or plastic compositions – Wax containing
Reexamination Certificate
2009-03-06
2010-12-28
Brunsman, David M (Department: 1793)
Compositions: coating or plastic
Coating or plastic compositions
Wax containing
C108S051300, C108S051300, C264S669000, C075S230000, C075S252000
Reexamination Certificate
active
07857903
ABSTRACT:
To achieve the object of providing a mixture for producing sinterable mouldings that allows high pressed densities to be obtained in a green compact, a mixture is proposed which comprises at least one metallic material and/or plastics material and at least one pressing aid, the pressing aid comprising about 0.5% to about 60% by weight, based on the total amount of the pressing aid, of at least one amide, and about 40% to about 99.5% by weight, based on the total amount of the pressing aid, of at least one carnauba wax.
REFERENCES:
patent: 5374362 (1994-12-01), McFarland
patent: 5597856 (1997-01-01), Yu et al.
patent: 6051184 (2000-04-01), Kankawa
patent: 102 03 283 (2003-08-01), None
patent: 0 436 952 (1991-07-01), None
patent: 0 561 343 (1993-09-01), None
Fax Diego
Lindenau René
Wimbert Lars
Brunsman David M
GKN Sinter Metals Holding GmbH
Woodcock & Washburn LLP
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