| Patent Number |
Title Of Patent |
Date Issued |
| 7449044 |
Method and apparatus for producing metal powder |
November 11, 2008 |
| An object of the present invention is to provide a method for production of metallic powder in which aggregation of particles and growth to secondary particle after reducing process of the metallic powder particle can be prevented, to reliably obtain metallic particles containing few |
| 7261761 |
Metallic nickel powder and process for production thereof |
August 28, 2007 |
| A metallic nickel powder exhibits superior oxidation behavior and sintering behavior in a process for production of a multilayer ceramic capacitor, and as a result, can prevent delamination, a process for production of the metallic powder is provided. The metallic nickel powder is tr |
| 7005399 |
Catalyst for polymerization of olefins |
February 28, 2006 |
| An olefin polymerization catalyst comprising: (A) a solid catalyst component prepared by contacting (a) a dialkoxyl magnesium, (b) a tetra-valent titanium halide, and (c) a phthalic acid diester in (d) an aromatic hydrocarbon having a boiling point in the range of 50 to 150.degree. C |
| 6989041 |
Process for producing titanium sponge |
January 24, 2006 |
| A process for producing titanium sponge includes carrying out a reduction reaction by supplying titanium tetrachloride to a reaction vessel which stores a reduction bath liquid containing an upper layer of a reactant bath liquid layer containing fused magnesium as a main component and a |
| 6984272 |
Process for producing titanium material for target, titanium material for target, and sputtering |
January 10, 2006 |
| A titanium material for a target has a microstructure in which the grain size is small and uniform and also has a macrostructure of the surface of the titanium material which is non-patterned and is excellent in surface property. A titanium ingot in which Vacuum Arc Remelting or Electron |
| 6942715 |
Process for producing metallic titanium |
September 13, 2005 |
| A process for producing metallic titanium includes forming metallic titanium fine particles by supplying liquid or mist titanium tetrachloride from above the surface of a reaction bath liquid containing fused magnesium and fused magnesium chloride in a reaction vessel to effect a rea |
| 6918942 |
Process for production of titanium alloy |
July 19, 2005 |
| Titanium-aluminum alloy is prepared as a master alloy, and the aluminum master alloy and a pure titanium material are melted by an electron beam to yield titanium alloy. |
| 6878659 |
Solid catalyst component for olefin polymerization and catalyst |
April 12, 2005 |
| A solid catalyst component for olefin polymerization characterized by being formed from (a) a magnesium compound, (b) titanium tetrachloride, (c) a phthalic diester and a derivative thereof, and either (d.sup.1) a hydroxylated hydrocarbon compound (phenol, etc.) represented by a specific |
| 6863708 |
Method for producing metal powder and metal powder, and electroconductive paste and monolithic c |
March 8, 2005 |
| Metal chloride vapor and reducing gas are brought into contact to form metallic powder, the metallic powder is washed in carbonic acid aqueous solution, and the metallic powder is classified in a liquid phase. In this way, metallic powder, such as nickel powder, in which the content of |
| 6858059 |
Electron beam melting method for metallic material |
February 22, 2005 |
| An electron beam melting method for a metallic material which is melted by an electron beam in a melting furnace is disclosed. The method comprises: locating an actual melting material and a pre-melting material in the melting furnace; forming a melted surface on the pre-melting material |
| 6770586 |
Solid catalyst component and catalyst for olefins polymerization |
August 3, 2004 |
| Solid catalyst components and catalysts which contain (a) magnesium compound, (b) titanium tetrachloride, and (c) a phthalic acid diester or its derivative are useful in the synthesis of olefin polymers in high yields. Particularly, propylene polymers can be obtain in very high yields |
| 6746980 |
Dielectric ceramic composition and multilayer ceramic capacitor used the same |
June 8, 2004 |
| A dielectric ceramic composition having high static capacitance and high dielectric constant and satisfying X7R characteristics and a multilayer ceramic capacitor using the same is provided. The dielectric ceramic composition comprises barium titanate as a main component, and comprises |
| 6699297 |
Method for preparing lithium manganate and positive electrode for lithium secondary cell contain |
March 2, 2004 |
| A method for preparing lithium manganate having spinel structure which comprises contacting a manganese halide and lithium compound at a temperature of 100.degree. C. or less in a liquid phase to react with each other; a lithium manganate which is prepared according to the method, is |
| 6670497 |
Phthalic diester derivatives and electron donors |
December 30, 2003 |
| A phthalic acid diester derivative represented by a specific formula and an electron donor used in an olefin polymerization catalyst containing the phthalic acid diester derivative as an effective component. The electron donor can produce polymers with a high stereoregularity at an extre |
| 6664209 |
Solid catalyst component for propylene polymerization and catalyst |
December 16, 2003 |
| The present invention provides catalyst for polymerization of a propylene prepared from by using a solid catalyst component for polymerization of a propylene which is prepared by subjecting a dialkoxymagnesium (a), a tatravalent halogen-containing titanium compound (b), and a diester of |
| 6645673 |
Process for producing lithium titanate and lithium ion battery and negative electrode therein |
November 11, 2003 |
| In a process for producing lithium titanate, a mixture of titanium dioxide and at least one lithium compound selected from the group consisting of lithium carbonate, lithium hydroxide, lithium nitrate, and lithium oxide is presintered at a temperature of between 670.degree. C. or more an |
| 6620220 |
Nickel powder dispersion, method of producing nickel power dispersion and method of producing co |
September 16, 2003 |
| A nickel powder dispersion prepared by adding an organic solvent to an aqueous nickel powder dispersion consisting of a ultrafine nickel powder having a mean particle diameter of no more than one micrometer and an aqueous solvent, in such a state that the organic solvent has replaced at |
| 6500227 |
Process for production of ultrafine nickel powder |
December 31, 2002 |
| In a process for production of ultrafine nickel powder, raw material gas having a partial pressure of nickel chloride vapor within a range from 0.2 to 0.7 is fed into a reducing furnace and the nickel chloride vapor is reduced with hydrogen while flowing the raw material gas in this redu |
| 6475673 |
Process for producing lithium titanate and lithium ion battery and negative electrode therein |
November 5, 2002 |
| In a process for producing lithium titanate, a mixture of titanium dioxide and at least one lithium compound selected from the group consisting of lithium carbonate, lithium hydroxide, lithium nitrate, and lithium oxide is presintered at a temperature of 670.degree. C. or more and less t |
| 6454830 |
Nickel powder for multilayer ceramic capacitors |
September 24, 2002 |
| A nickel powder for multilayer ceramic capacitors according to the present invention is characterized in that an average particle size of a nickel powder is 0.1 to 1.0 .mu.m, and the number rate of a nickel powder having a particle size of 2 .mu.m or more is not more than 700 per million |
| 6447571 |
Metal powder |
September 10, 2002 |
| The present invention provides a metallic powder which exhibits superior sintering properties in a production of multilayer ceramic capacitors, and exhibits superior dispersion characteristics in forming of conductive pastes, thereby preventing delamination. Metallic powder produced by |
| 6391084 |
Metal nickel powder |
May 21, 2002 |
| The present invention provide metallic nickel powder in which the occurrence of delaminatoin can be prevented by providing superior sintering propreties in production processes for multilayer ceramic capacitors and by providind superior dispersion characteristics in the forming of co |
| 6372015 |
Method for production of metal powder |
April 16, 2002 |
| A process for production of metallic powder comprising contacting a metallic chloride gas with a reductive gas in a temperature range for a reducing reaction to form a metallic powder and subsequently contacting the metallic powder with an inert gas such as nitrogen gas to cool the p |
| 6284216 |
Barium titanate powder |
September 4, 2001 |
| A barium titanate powder has an average particle size ranging from 0.1-1.0 .mu.m, a CV value (standard deviation of the particle size/the average particle size) of the particle size distribution being 40% or less, and a zeta-potential ranging from -30 to -60 mV measured by a laser Dopple |
| 6235077 |
Process for production of nickel powder |
May 22, 2001 |
| Chlorine gas from a supply nozzle is mixed with the vapor of nickel chloride and the mixed gas is supplied from a supply nozzle into a hydrogen gas atmosphere in a reduction reactor at a reduction temperature of 900 to 1100.degree. C. The volume of chlorine gas to be mixed versus the |
| 6228793 |
Solid catalyst component for olefin polymerization and catalyst |
May 8, 2001 |
| The present invention provides a solid catalyst component for polymerization of olefins prepared by allowing a magnesium compound, a titanium compound and an electron donor compound to come in contact with each other, and having a value that a parameter of S1/S2 determined by Raman s |
| 6228791 |
Solid catalyst component and catalyst for olefin polymerization |
May 8, 2001 |
| The present invention is a solid catalyst component for polymerization of olefins prepared by contacting a magnesium compound, a tetravalent halogen-containing titanium compound, a diester of an aromatic dicarboxylic acid, an aromatic hydrocarbon and an organic aluminum compound cont |
| 6210502 |
Processing method for high-pure titanium |
April 3, 2001 |
| The invention provides a processing method for a high-pure titanium having fine grains by cold forging, through which the processing steps are simplified and scale growth is prevented. The invention uses high-pure titanium having a purity of 4N or higher (99.99%, except for gas inclu |
| 6200921 |
Solid catalyst component for olefin polymerization and catalyst |
March 13, 2001 |
| The objective of the present invention is to provide a solid catalyst component and a catalyst for polymerization of olefins, which shows a high activity, can lower the rate of forming a polymer having a low molecular weight or a low stereoregular polymer which is soluble in a polymeriza |
| 6168752 |
Process for producing metal powders and apparatus for producing the same |
January 2, 2001 |
| A process for producing metallic powders a chlorination step for continuously producing chloride gas of metal by reacting metal with chlorine gas, and a reduction step for continuously reducing the metallic chloride gas by reacting the metallic chloride gas produced in the chlorinati |
| 6168644 |
Titanium-base powders and process for production of the same |
January 2, 2001 |
| Titanium hydride powder with a maximum particle diameter of substantially 150 .mu.m or less, the powder with particle diameters of 10 .mu.m or less being 8% or less by weight, which is produced via step for embrittling a titanium and titanium alloy by hydrogenation, and titanium powder w |
| 6156690 |
Solid catalyst component and catalyst for polymerization of olefins |
December 5, 2000 |
| The present invention provides a solid catalyst component for polymerization of olefins obtained by allowing a solid component and an alcohol to come in contact with each other, wherein the solid component is prepared by allowing a magnesium compound, a titanium compound and an elect |
| 6090903 |
Propylene homopolymer |
July 18, 2000 |
| A propylene homopolymer having a high stereo-regularity and an excellent processability during sheet or film formation, characterized in that it exhibits a melt flow rate (MFR) of from 0.1 to 20 g/10 min., a xylene-soluble component content of not more than 6% by weight and an isoblo |
| 6063211 |
High strength, high ductility titanium-alloy and process for producing the same |
May 16, 2000 |
| A high strength, high ductility titanium alloy comprising O, N and Fe as strengthening elements and the balance substantially Ti, the contents of the strengthening elements satisfying the following relationships (1) to (3):(1) from 0.9 to 2.3% by weight of Fe,(2) up to 0.05% by weight of |
| 5965478 |
Solid catalyst component and catalyst for polymerization of olefins |
October 12, 1999 |
| A solid catalyst component for polymerization of olefins prepared by reacting a titanium halide, a diester of aromatic dicarboxylic acid and a dialkoxymagnesium having a bulk density of at least 0.25 g/ml and an average particle size of 1 to 100 .mu.m. The average rate of temperature |
| 5945366 |
Solid catalyst component for polymerization of olefins and catalyst |
August 31, 1999 |
| A solid catalyst component (A1) for polymerization of olefins prepared by contact with a solid component (d) obtained by allowing (1) a solid component (a) obtained by allowing (i) a dialkoxymagnesium or diaryloxymagnesium, (ii) a titanium compound and (iii) a diester of aromatic dic |
| 5932510 |
Solid catalyst component and catalyst for polymerization of olefins |
August 3, 1999 |
| The present invention provides a solid catalyst component (A) obtained by allowing a dialkoxymagnesium or diaryloxymagnesium, a titanium compound, a diester of phthalic acid and a cyclic or chain polysiloxane to come in contact with one another.Further, the present invention provides a c |
| 5684173 |
Organosilicon compound and ziegler-natta catalyst containing the same |
November 4, 1997 |
| An organosilicon compound represented by formula (I) ##STR1## wherein R.sup.1 and R.sup.2 which may be the same or different, each represents an alkyl group having 1 to 3 carbon atoms. The organosilicon compound is used as en effective electron donor ingredient of a Ziegler-Natta |
| 5547912 |
Solid catalyst component for polymerizing olefins and catalyst containing the same |
August 20, 1996 |
| A solid catalyst component for polymerizing olefins, which can provide a streoregular polymer having a low density of 0.900 to 0.906 g/ml at a high yield and a low RDS and which can prepare the polymer containing less fine powders. The solid catalyst component is prepared using substance |
| 5498770 |
Catalyst for the polymerization of olefins and process for the polymerization of olefins |
March 12, 1996 |
| A catalyst for the polymerization of olefins comprising (A) a solid catalyst component essentially containing magnesium, titanium, an electron donor compound, and a halogen which is prepared by contacting a magnesium compound, a titanium halide compound, and an electron donor compound, ( |
| 5130284 |
Sold catalyst component for the polymerization of olefins and an olefin polymerization catalyst |
July 14, 1992 |
| A solid catalyst component prepared under specific conditions by reacting with a reaction product which has been obtained by suspending diethoxymagnesium in an alkylbenzene and bringing the suspension into contact with titanium tetrachloride, phthaloyl dichloride at 80.degree.-125.de |
| 4970186 |
Solid catalyst component for the polymerization of olefins and an olefin polymerization catalyst |
November 13, 1990 |
| A solid catalyst component prepared by admixing and reacting, with a reaction product which has been obtained by suspending diethoxymagnesium in an alkylbenzene and bringing the suspension into contact with titanium tetrachloride in an amount less than 1 in terms of volume ratio to the |
| 4964801 |
Endosseous implant having polycapillary structure |
October 23, 1990 |
| An endosseous implant including at least an embedding portion to be embedded in a living tissue, the embedding portion comprising any of a platelike body itself and a desired shape of body obtained by working the platelike body, the platelike body having orderly or disorderly a plura |
| 4957819 |
Frameless and coreless porous endosseous implant |
September 18, 1990 |
| A frameless and coreless porous endosseous implant comprising a porous sintered metal layer (2) having a range of relatively large pores and porous sintered metal layers having a range of relatively small pores and laminated into one body by sintering integrally with the layer on either |
| 4944859 |
Electrolytic cell for recovery of metal |
July 31, 1990 |
| An electrolytic cell recovery of metal comprising a first partition wall provided with partition openings situated beneath the level of an electrobath and disposed between a dissociated metal recovery chamber and an electrolytic chamber having an anode and a cathode and a second part |
| 4886559 |
High strength titanium material having improved ductility |
December 12, 1989 |
| A high strength titanium material having an improved ductility, contains 0.1 to 0.8% by weight of iron, a required oxygen and nitrogen satisfying the following expression, in which an oxygen equivalence Q ranges from 0.35 to 1.0,wherein[O] is an oxygen content % by weight[N] is a nitorge |
| 4877445 |
Method for producing a metal from its halide |
October 31, 1989 |
| A method for producing metal by the reduction of a metal halide by a reducing metal agent capable of continuously producing homogeneous metal of high purity. In the method, particles of the same metal as the metal to be produced are charged into a reaction vessel and the metal halide and |
| 4847227 |
Solid catalyst component for olefin polymerization catalysts |
July 11, 1989 |
| A solid catalyst component for olefin polymerization catalysts prepared by suspending diethoxymagnesium (a) in an aromatic hydrocarbon (b) which is liquid at normal temperature and bringing the suspension into a first contact with titanium tetrachloride (c) to form a product and bringing |
| 4842517 |
Endosseous implant having mesh pore structure |
June 27, 1989 |
| An endosseous implant having a mesh pore structure including at least an embedding portion to be embedded in a living bone tissue, the embedding portion being a single sheet of a platelike body or a desired shape of body obtained by working the platelike body. The platelike body can be a |
| 4839321 |
Solid catalyst component for olefin polymerization catalysts |
June 13, 1989 |
| A solid catalyst component for olefin polymerization catalysts prepared by subjecting diethoxymagnesium (a), calcium chloride (b) and a silicon compound (c) of the general formula: Si(OR).sub.4 (wherein R is an alkyl or aryl group) together to a contact treatment in the presence of an |
