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| Number | Title | Issue Date |
| 8062582 | Powder metallurgy methods and compositions The present invention provides metal powder compositions for pressed powder metallurgy and methods of forming metal parts using the metal powder compositions. In each embodiment of the invention, the outer surface of primary metal particles in the metal powder compo... | 11/22/2011 |
| 7892314 | Powder metal composition containing micronized deformable solids and methods of making and using the same The present invention provides powder metal compositions and methods of making and using the same. Powder metal compositions according to the invention include base metal particles, a lubricant that transforms from a solid phase material to a viscous, liquid phase m... | 02/22/2011 |
| 7264646 | Lubricant system for use in powdered metals The present invention provides a lubricant system in the pressing of powders to form a part. The lubricant system is a solid at ambient conditions. However, upon application of pressure during the pressing of the metal parts, the lubricant system forms a liquid phas... | 09/04/2007 |
| 7192464 | Composition for powder metallurgy The present invention provides a composition for use in pressed powder metallurgy. The composition includes a plurality of substantially dry, discrete agglomerates, a portion of which include a first metal particle adhered to a second metal particle by a binder that... | 03/20/2007 |
| 7183242 | Lubricant system for use in powdered metals The present invention provides a lubricant system in the pressing of powders to form a part. The lubricant system is a solid at ambient conditions. However, upon application of pressure during the pressing of the metal parts, the lubricant system forms a liquid phas... | 02/27/2007 |
| 6846862 | Binder system and method for particulate material cross-reference to related application The present invention relates to a binder composition comprising an aliphatic polyester polymer: an ethylenebisamide wax; and a guanidine wetting agent. The composition may also contain an additive which accelerates or extends debinding of the binder composition, an... | 01/25/2005 |
| 6679935 | Lubricant system for use in powdered metals The present invention provides a lubricant system in the pressing of powders to form a part. The lubricant system is a solid at ambient conditions. However, upon application of pressure during the pressing of the metal parts, the lubricant system forms a ... | 01/20/2004 |
| 6376585 | Binder system and method for particulate material with debind rate control additive The present invention relates to a binder composition comprising a polycarbonate polymer; an ethylenebisamide wax; a guanidine wetting agent, and an additive which accelerates or delays completion of debinding of the binder composition. The present invent... | 04/23/2002 |
