U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 419/34 - Chemical blending


Subclass of Class 419 - Powder metallurgy processes
Definition: Processes in which the mixture which is consolidated is at least in
No. of patents: 88
Last issue date: 11/30/2010


1      
NumberTitleIssue Date
7842231Method for producing a titanium metallic composition having titanium boride particles dispersed therein
An article made of constituent elements is prepared by furnishing at least one nonmetallic precursor compound, wherein all of the nonmetallic precursor compounds collectively contain the constituent elements. The constituent elements include a titanium-base metallic...
11/30/2010
7833472Article prepared by depositing an alloying element on powder particles, and making the article from the particles
An article is prepared by furnishing a plurality of powder particle substrates made of a substrate metal, providing a nonmetallic precursor of a metallic coating material, wherein the metallic coating material comprises an alloying element that is thermophysically m...
11/16/2010
7510680Method for producing a metallic alloy by dissolution, oxidation and chemical reduction
A metallic alloy having at least two metallic constituents is produced by first furnishing at least two non-oxide compounds, wherein the non-oxide compounds collectively comprise each of the metallic constituents, and wherein each of the non-oxide compounds is solub...
03/31/2009
7410610Method for producing a titanium metallic composition having titanium boride particles dispersed therein
An article made of constituent elements is prepared by furnishing at least one nonmetallic precursor compound, wherein all of the nonmetallic precursor compounds collectively contain the constituent elements. The constituent elements include a titanium-base metallic...
08/12/2008
7384596Method for producing a metallic article having a graded composition, without melting
A method for preparing a metallic article made of metallic constituent elements includes furnishing a mixture of nonmetallic precursor compounds of the metallic constituent elements. The method further includes chemically reducing the mixture of nonmetallic precurso...
06/10/2008
7360579Method for the production of cast components
The invention relates to a method for the production of a cast component, in particular a gas turbine component. The inventive method comprises at least the following steps: a) a crucible and at least one semi-finished product is prepared from an intermetallic titan...
04/22/2008
7288224Method of producing a sputtering target
A sputtering target contains a target material including as constituent elements Ag, In, Te and Sb with the respective atomic percents (atom. %) of α, β, γ and δ thereof being in the relationship of 0.5≦α
10/30/2007
7235161Stable anodes including iron oxide and use of such anodes in metal production cells
Stable anodes comprising iron oxide useful for the electrolytic production of metal such as aluminum are disclosed. The iron oxide may comprise Fe3O4, Fe2O3, FeO or a combination thereof. During the electrolytic aluminum p...
06/26/2007
7172725W-Cu alloy having homogeneous micro-structure and the manufacturing method thereof
In W—Cu alloy having a homogeneous micro-structure and a fabrication method thereof, the method includes forming mixed powders by mixing tungsten powders with W—Cu composite powders; forming a compact by pressurizing-forming the mixed powders; forming a skeleton...
02/06/2007
7169270Inert anode electrical connection
An improved electrical connection between an inert anode and a conductor rod is disclosed. The conductor rod has a smaller diameter than a hole in the anode such that a gap is provided between the conductor rod and the anode. The gap is filled with an electrically c...
01/30/2007
6991686Method for producing magnetostrictive material
To provide a method for producing a magnetostrictive material of excellent magnetostrictive characteristics. The method for producing a magnetostrictive material, wherein a mixture composed of Starting Materials A, B and C is sintered, where A is represented ...
01/31/2006
6652806Method of producing a sputtering target
A sputtering target contains a target material including as constituent elements Ag, In, Te and Sb with the respective atomic percents (atom. %) of ଱, ଲ, γ and δ thereof being in the relationship of 0.5ࣘ଱
11/25/2003
6478845Boron addition for making potassium-doped tungsten
A boron addition for making potassium-doped tungsten powder is described herein. Boron is added to a potassium-doped starting material, preferably in the form of boric acid, and then the mixture is reduced to form a potassium-doped tungsten powder. The bo...
11/12/2002
6409794Method for producing composite powders based on silver-tin oxide, the composite powders so produced, and the use of such powders to produce electrical contact materials by powder metallurgy techniques
A method for producing composite powders based on silver-tin oxide, by chemically reductive precipitation of silver onto particulate tin oxide. A solution of a silver compound and a solution of a reducing agent are simultaneously added in stoichiometrical...
06/25/2002
6245288Method of preparing pressable powders of a transition metal carbide, iron group metal of mixtures thereof
A pressable powder is formed by a method comprising [I] mixing, in essentially deoxygenated water, [A] a first powder selected from the group consisting of a transition metal carbide and transition metal with [B] an additional component selected from the ...
06/12/2001
6238456Tantalum powder, method for producing same powder and sintered anodes obtained from it
The present invention discloses a tantalum powder for capacitors and a method for making said tantalum powder wherein agglomerated tantalum powder is produced by means of thermal agglomeration of starting tantalum powders in the presence of hydrogen....
05/29/2001
6228138Good machinability Fe-based sintered alloy and process of manufacture therefor
Machinability is drastically improved while maintaining some degree of hardness in an Fe-based sintered alloy. A good machinability Fe-based sintered alloy has an overall composition of, in percent by weight, at least one element selected from the group c...
05/08/2001
6165412Method of making non-sag tungsten wire for electric lamps
A method of making a potassium-doped tungsten powder is described comprising forming a mixture of ammonium paratungstate or ammonium metatungstate and a potassium-containing compound selected from a thermally unstable potassium-containing salt or a potass...
12/26/2000
6149861Methods for manufacturing R-Fe-B type magnet raw material powder and R-Fe-B type magnet
It is an object of the present invention to provide a method for manufacturing a raw material alloy powder that can be utilized effectively in the regeneration of surplus or defective R--Fe--B type sintered magnets while leaving the main phase crystal gra...
11/21/2000
6129890Method of making non-sag tungsten wire
It has been discovered that potassium retention in NS tungsten processing may be improved by double doping tungsten blue oxide (TBO) prior to reduction. The novel `double-doping` process consists of dry doping standard singly doped K--Al--Si TBO with pota...
10/10/2000
6045748Method for molding an article from powder
A method for forming molded articles in any shape from ceramic, glass, or metal powders which comprises: preparing a slurry by dispersing more than one powder selected from a group consisting of ceramic, glass, and metal materials in a dispersing medium u...
04/04/2000
6010661Method for producing hydrogen-containing sponge titanium, a hydrogen containing titanium-aluminum-based alloy powder and its method of production, and a titanium-aluminum-based alloy sinter and its method of production
The methods of the present invention provide efficient mechanical milling or alloying of stock materials of titanium and aluminum in order to increase yield of the titanium stock and reduce cost in connection with the production of a titanium-aluminum-bas...
01/04/2000
5966582Method for rapid stiffening of extrudates
A method for extruding a stiffer powder mixture at lower extrusion pressure involves providing an aqueous mixture of inorganic powder that can be metal, ceramic, glass, glass ceramic, molecular sieve, and/or carbon, fatty acid the main chain of which has ...
10/12/1999
5963772Electrically conductive material and method of making
Electrical contact material made from intimate mixtures of silver powder and a powder of a second phase material is shown in which the powder of the second phase material is milled to produce a selected grain distribution of approximately 90% less than 7-...
10/05/1999
5943545Method of manufacturing a hydrogen-absorbing alloy for use in an alkali storage cell
The object of the present invention is to provide an acid treatment for enhancing the high-rate discharge characteristic, cycle characteristic, and other characteristics of a hydrogen-absorbing alloy electrode to a large extent. The object can be achieved...
08/24/1999
5908588Incipient flocculation molding of particulate inorganic materials
A process of molding inorganic materials into desired shapes comprises mixing the material with a dispersant, milling, molding the mixture, drying the mixture and sintering....
06/01/1999
5842108Mechano-chemical process for production of high density and ultrafine W/Cu composite material
A method for producing high density and ultrafine W/Cu bulk material by a mechano-chemical process is disclosed. In the method of this invention, metal salts as start materials are spray-dried and prepare W--Cu precursor powder having uniformly-dispersed ...
11/24/1998
5494634Modified carbon for improved corrosion resistance
Graphite or carbon particles with a graphitic skin are intercalated with a compound including an oxidized form of a metal and then reduced in a hydrogen atmosphere. This process reduces the driving force for the galvanic reaction between the particles and...
02/27/1996
5484468Cemented carbide with binder phase enriched surface zone and enhanced edge toughness behavior and process for making same
Cemented carbide inserts are available containing WC and cubic phases of carbide and/or carbonitride in a binder phase based on cobalt and/or nickel with a binder phase enriched surface zone. The binder phase content along a line essentially bisecting the...
01/16/1996
5427601Sintered metal bodies and manufacturing method therefor
A sintered metal body is disclosed of composition consisting essentially of in weight percent about 5 to 40 Cr, about 2 to 30 Al, 0 to about 5 special metal, 0 to about 4 rare earth oxide additive, and the balance Fe group metal and unavoidable impurities...
06/27/1995
5366687Electrophoresis process for preparation of ceramic fibers
A method is taught for the preparation of ceramic fibers by electrophoretic deposition of metal oxide upon a conductive fiber core, which core may be subsequently removed....
11/22/1994
5360494Method for alloying lithium with powdered magnesium
A powdered magnesium composition is mixed with lithium dispersed in an inert, non-water absorbent, liquid medium to produce a substantially homogenous admixture that is heated to melt the lithium and vaporize the liquid medium to thereby obtain a decovere...
11/01/1994
5292478Copper-molybdenum composite strip
The present invention relates to a copper-molybdenum composite material having utility in electrical applica- tions and the process for forming the composite material. The composite material is characterized by a continuous copper matrix having a pluralit...
03/08/1994
5252255Conductive metal-filled substrates via developing agents
A conductive metal-filled substrate is formed by intermingling copper or nickel particles into the substrate, contacting the metal particles with a specified developing agent, and heating the metal particles and the developing agent. The filled substrates...
10/12/1993
5244510Magnetic materials and process for producing the same
This invention relates to a process for producing a rare earth-containing powder comprising crushing a rare earth-containing alloy in a passivating gas at a temperature from ambient temperature to a temperature below the phase transformation temperature o...
09/14/1993
5162063Magnetically anisotropic R-T-B magnet
A magnetically anisotropic R-T-B magnet having crystal grains having aspect ratios of 2 or more and showing a substantially uniform maximum energy product distribution is produced by (a) rapidly quenching an alloy melt; (b) finely pulverizing the rapidly ...
11/10/1992
5122203Magnetic materials
This invention relates to a process for producing a rare earth-containing material capable of being formed into a permanent magnet comprising crushing a rare earth-containing alloy and treating the alloy with a passivating gas at a temperature below the p...
06/16/1992
5110688Dieless micro-pyretic manufacturing technique for fabricating bearing materials and the bearing materials produced thereby
The present invention relates to a method of fabricating various types of bearing materials and the bearing materials produced thereby. The processes of the invention may be used to produce porous self-lubricating bearings, laminated composite bearings (b...
05/05/1992
5047182Complex ceramic and metallic shaped by low pressure forming and sublimative drying
A process for forming articles from inorganic sinterable particulates includes providing a well-dispersed, low pressure injectable slurry, freeze-forming the slurry into a desired geometry, and drying the piece so formed by a predominantly sublimative pro...
09/10/1991
4999050Dispersion strengthened materials
This invention relates generally to materials and processes for making materials and, more particularly, to high performance boride dispersion strengthened materials, including alloy-modified, boride dispersion strengthened materials and techniques for ma...
03/12/1991
1      
 
Sign InRegister
Username  
Password   
forgot password?