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| Number | Title | Issue Date |
| 7608713 | Tertiary phosphines and their methods of preparation Tertiary phosphines are prepared by reacting a phosphine (PH3 or a primary or secondary phosphine) with a cyclic alpha,beta-unsaturated carbonyl compound having no more than one C═C double bond conjugated with a carbonyl group. The inventive tertiary ph... | 10/27/2009 |
| 7485723 | Process for making trisaryl triazine UV absorbers using Lewis acids and reaction promoters It has been now surprisingly discovered after extensive research that 2-halo-4,6-bisaryl-1,3,5-triazine can be prepared with unprecedented selectivity, efficiency, mild conditions, and in high yield by the reaction of cyanuric halide with aromatics in the presence o... | 02/03/2009 |
| 7309474 | Composition and process A solvent extraction composition is comprised of one or more orthohydroxyarylaldoximes and one or more othohydroxyarylketoximes, and one or more equilibrium modifiers in an amount providing a degree of modification of the orthohydroxyarylaldoximes from about 0.2 to ... | 12/18/2007 |
| 7011216 | Process for the beneficiation of sulfide minerals Froth flotation processes, useful for beneficiating base metal mineral values from metal sulfide ore, utilize a collector comprising an N-butoxycarbonyl-O-alkylthionocarbamate selected from the group consisting of N-butoxycarbonyl-O-methylthionocarbamate, N-butoxyca... | 03/14/2006 |
| 6988623 | Beneficiation of sulfide minerals Froth flotation processes, useful for beneficiating base metal mineral values from metal sulfide ore, utilize a collector comprising N-butoxycarbonyl-O-butylthionocarbamate. ... | 01/24/2006 |
| 6820746 | Process for the beneficiation of sulfide minerals Froth flotation processes, useful for beneficiating base metal mineral values from metal sulfide ore, utilize a collector comprising an N-butoxycarbonyl-O-alkylthionocarbamate selected from the group consisting of N-butoxycarbonyl-O-methylthionocarbamate, N-butoxyca... | 11/23/2004 |
| 6814873 | Method of preventing or reducing aluminosilicate scale in a bayer process Materials and a process are provided whereby polymers with the pendant group or end group containing —Si(OR″)3 (where R″ is H, an alkyl group, Na, K, or NH4) are used to control aluminosilicate scaling in a Bayer process. When materials o... | 11/09/2004 |
| 6800757 | Red-shifted triazine ultravioletlight absorbers The present invention relates to novel red-shifted UV absorbers comprising 1,3,5-triazine structures containing a 2-naphthol-derived substituent. The present invention also relates to a method for stabilizing a material by incorporating into such material, e.g., org... | 10/05/2004 |
| 6732867 | Beneficiation of sulfide minerals Froth flotation processes, useful for beneficiating base metal mineral values from metal sulfide ore, utilize a collector comprising N-butoxycarbonyl-O-butylthionocarbamate. ... | 05/11/2004 |
| 6565944 | Resin composition, a fiber reinforced material having a partially impregnated resin and composites made therefrom A partially impregnated preform employs a fiber layer partially impregnated with a resin to form a fiber reinforced resin composite. The fiber layer of the partially impregnated preform is formed of a plurality of parallel oriented tows, each tow formed o... | 05/20/2003 |
| 6342108 | Low core loss, well-bonded soft magnetic stator, rotor, and armature A ferromagnetic powder comprising ferromagnetic particles coated with a material that does not degrade at temperatures above 150° C and permits adjacent particles to strongly bind together after compaction such that parts made from the ferromagnetic powd... | 01/29/2002 |
| 6340397 | Method for making low core loss, well-bonded, soft magnetic parts A ferromagnetic powder comprising ferromagnetic particles coated with a material that does not degrade at temperatures above 150° C. and permits adjacent particles to strongly bind together after compaction such that parts made from the ferromagnetic pow... | 01/22/2002 |
| 6287445 | Coating particles in a centrifugal bed An apparatus and method are provided for coating particles in a rotating container. A cathode forms an electrically conductive inner surface of a side wall of the container. An anode is positioned relative to the cathode so as to permit both the cathode a... | 09/11/2001 |
| 6254757 | Method for electrochemical fluidized bed coating of powders A method for coating particulate substrate materials is provided which comprises (a) combining particles and an electrolyte in an imperforate container; (b) vibrating the container to generate a fluidized bed of particles in the electrolyte; and (c) elect... | 07/03/2001 |
| 6251514 | Ferromagnetic powder for low core loss, well-bonded parts, parts made therefrom and methods for producing same A ferromagnetic powder comprising ferromagnetic particles coated with a material that does not degrade at temperatures above 150° C. and permits adjacent particles to strongly bind together after compaction such that parts made from the ferromagnetic pow... | 06/26/2001 |
| 6251339 | Method for making parts from particulate ferrous material The invention is directed to a method of forming parts having complex geometries made by coating ferrous based powders with a metallurgical coating, pressing the powder to make the parts, and using a low temperature heating step to diffuse the coating int... | 06/26/2001 |
| 6241935 | Pulsed pressurized powder feed system and method for uniform particulate material delivery A powder feed system for delivering a quantity of particulate material to a die cavity of a powder press is provided. The powder press has a table-like platen surface which is flush with and surrounds a die in which the die cavity sits, an upper punch app... | 06/05/2001 |
| 6162497 | Manufacturing particles and articles having engineered properties A plurality of particles include a first material. A coating including a second material is formed on surfaces of the particles, until a selected ratio of the volume of the coating relative to the volume of the particles is achieved. A plurality of partic... | 12/19/2000 |
| 6129790 | Low core loss, well-bonded soft magnetic A ferromagnetic powder comprising ferromagnetic particles coated with a material that does not degrade at temperatures above 150° C. and permits adjacent particles to strongly bind together after compaction such that parts made from the ferromagnetic pow... | 10/10/2000 |
| 6042949 | High strength steel powder, method for the production thereof and method for producing parts therefrom Steel powder for use in case hardenable steels is provided. The steel powder is made from a plurality of pre-alloyed iron-molybdenum particles. Each of the particles has from about 1.5 to about 3.5 percent by weight of molybdenum and have a diameter of fr... | 03/28/2000 |
| 6042781 | Ambient temperature method for increasing the green strength of parts A process for consolidating powder, particulates, foils or sheets of metal coated composites, elemental metallic or metallic alloy or intermetallic compounds into net shapes having increased green strength at or near ambient temperature comprises treating... | 03/28/2000 |
| 6003586 | Heat-sinking structures and electrical sockets for use therewith A process of making a heat-sinking structure, which includes providing a mold having cavities closed at one end and open at another end, the cavities corresponding to the heat dissipating surfaces on the heat-sinking structure, at least partially evacuati... | 12/21/1999 |
| 6001289 | Acid assisted cold welding and intermetallic formation A metallic composite solid, containing alloys and/or intermetallics, is formed by compacting at moderate pressure a mixture of powder particles, foils or sheets at a temperature close to room temperature, well below the melting temperature of the constitu... | 12/14/1999 |
| 5982073 | Low core loss, well-bonded soft magnetic parts A ferromagnetic powder comprising ferromagnetic particles coated with a material that does not degrade at temperatures above 150° C. and permits adjacent particles to strongly bind together after compaction such that parts made from the ferromagnetic pow... | 11/09/1999 |
| 5945135 | Pressurized feedshoe apparatus and method for precompacting powdered materials A pressurized feed shoe for delivering particulate materials to fill a die cavity is provided. The feed shoe includes a feed shoe body comprising a vessel for receiving a quantity of particulate material. The feed shoe body has at least one bottom egress ... | 08/31/1999 |
| 5897826 | Pulsed pressurized powder feed system and method for uniform particulate material delivery A powder feed system for delivering a quantity of particulate material to a die cavity of a powder press is provided. The powder press has a table-like platen surface which is flush with and surrounds a die in which the die cavity sits, an upper punch app... | 04/27/1999 |
| 5885625 | Pressurized feed shoe apparatus for precompacting powdered materials A pressurized feed shoe for delivering particulate materials to fill a die cavity is provided. The feed shoe includes a feed shoe body including a vessel for receiving a quantity of particulate material. The feed shoe body has at least one bottom egress o... | 03/23/1999 |
| 5885496 | Pressurized feedshoe apparatus and method for precompacting powdered materials A pressurized feed shoe for delivering particulate materials to fill a die cavity is provided. The feed shoe includes a feed shoe body comprising a vessel for receiving a quantity of particulate material. The feed shoe body has at least one bottom egress ... | 03/23/1999 |
| 5698081 | Coating particles in a centrifugal bed An apparatus and method are provided for coating particles in a rotating container. A cathode forms an electrically conductive inner surface of a side wall of the container. An anode is positioned relative to the cathode so as to permit both the cathode a... | 12/16/1997 |
| 5614320 | Particles having engineered properties A plurality of particles include a first material. A coating including a second material is formed on surfaces of the particles, until a selected ratio of the volume of the coating relative to the volume of the particles is achieved. A plurality of partic... | 03/25/1997 |
| 5601924 | Manufacturing particles and articles having engineered properties A plurality of particles include a first material. A coating including a second material is formed on surfaces of the particles, until a selected ratio of the volume of the coating relative to the volume of the particles is achieved. A plurality of partic... | 02/11/1997 |
| 5330855 | Planar epitaxial films of SnO2 A planar epitaxial film of tin oxide has low defect density, high purity, crystalline rutile unit cell structure, one crystalline orientation, controlled stoichiometry, extended lateral dimensions, extremely smooth surface morphology, a high degree of ato... | 07/19/1994 |
