| Patent Number |
Title Of Patent |
Date Issued |
| 7022176 |
Carbon black for coloring cement and method for coloring cement-formed product |
April 4, 2006 |
| The present invention provides a carbon black for coloring cement excelling in dispersibility in cement slurry, exhibiting superior adhesion to a cement matrix, and excelling in coloring characteristics and strength, and a method for coloring a cement-formed product using the carbon |
| 6989083 |
Method for preparing carbon nano-fine particle, apparatus for preparing the same and mono-layer |
January 24, 2006 |
| A graphite cathode and a graphite anode are placed opposite each other through an insulating plate having a notch. A voltage is applied between both of the electrodes to generate arc discharge at the notch of the insulating plate. A given area of the graphite anode is evaporated from |
| 5961361 |
Method for manufacturing electrode plate for plasma processing device |
October 5, 1999 |
| A method manufactures an electrode plate for a plasma processing device in which a semiconductor wafer is processed to form a highly integrated circuit. The method includes a curing step of heat-curing a liquid thermosetting resin to prepare a resin forming material one or two backing |
| 5354528 |
Process for producing preform for metal matrix composite |
October 11, 1994 |
| A process for producing a preform having a buffer layer for use in compositing a metal matrix composite where the buffer layer is provided at a boundary between a composited portion and a non-composited portion of a metallic material in the metal matrix composite. The process includes |
| 5321072 |
Rubber composition |
June 14, 1994 |
| A rubber composition comprising: 100 parts by weight of a rubber component and 35 to 100 parts by weight of a furnace carbon black having a nitrogen adsorption specific surface area (N.sub.2 SA) of from 60 to 100 m.sup.2 /g, a dibutyl phthalate absorption (DBP) of from 90 to 150 ml/100 g |
| 5320820 |
Carbon black for tire tread rubber |
June 14, 1994 |
| There is disclosed carbon black for a tire tread rubber which has a nitrogen adsorption specific surface area (N.sub.2 SA) of 60 to 160 m.sup.2 /g and a dibutyl phthalate absorption (DBP) of 90 to 150 ml/100 g which belong to the respective regions of hard grades of carbon black, and |
| 5265118 |
Silicon carbide whisker production apparatus |
November 23, 1993 |
| A silicon carbide whisker production apparatus manufactured by placing a plurality of lidded reaction vessels in the longitudinal direction of an Acheson furnace at intervals, packing graphite grains in the gaps between the adjacent reaction vessels and around the reaction vessels along |
| 5256243 |
Process for producing titanium carbide whisker |
October 26, 1993 |
| A process for producing a titanium carbide whisker, comprising the steps of: mixing 100 parts by weight of a titanium source comprising titanium dioxide and/or an alkali metal titanate with 50 to 200 parts by weight of a carbon source and 1 to 30 parts by weight of a transition metal |
| 5252297 |
Process for producing carbon black and apparatus therefor |
October 12, 1993 |
| An apparatus for producing carbon black comprises a reaction chamber which consists of a tapered throat and a downstream extension of the throat having the same diameter as that of the narrowest portion of the throat and provided with a plurality of ribs on its inner wall which define a |
| 5246894 |
Silicon carbide reinforced composite material |
September 21, 1993 |
| A silicon carbide reinforced composite material comrpising a base material and, dispersed therein, a reinforcement comprising a silicon carbide whisker and an elliptical silicon carbide particle. |
| 5231129 |
Rubber composition |
July 27, 1993 |
| A rubber composition comprising 100 parts by weight of a rubber ingredient compounded with 35-100 parts of a carbon black, said carbon black having a nitrogen adsorption specific surface area (N.sub.2 SA) of 60-160 m.sup.2 g and a dibutyl phthalate adsorption number (DBP) of 90-150 ml/10 |
| 5230878 |
Carbon black for tire tread rubber |
July 27, 1993 |
| A carbon black of the category of hard carbon blacks having a nitrogen adsorption specific surface area (N.sub.2 SA) of 120 to 165 m.sup.2 /g and a DBP absorption number of 120 ml/100 g or more and satisfying requirements respectively represented by the following formulae (1) and (2) |
| 5225475 |
Rubber composition |
July 6, 1993 |
| A rubber composition comprising 100 parts by weight of a rubber component which consists of a natural rubber alone or a blend of a natural rubber with a dienic synthetic rubber and from 35 to 100 parts by weight of a carbon black compounded into the rubber. The carbon black has a nitroge |
| 5198205 |
Carbon black for tire tread rubber |
March 30, 1993 |
| There is disclosed carbon black for a tire tread rubber which has a nitrogen adsorption specific surface area (N.sub.2 SA) of 60 to 160 m.sup.2 /g and a dibutyl phthalate absorption (DBP) of 90 to 150 ml/100 g which belong to the respective regions of hard grades of carbon black, and |
| 5194409 |
Process for producing bn-coated SiC whisker and process for producing ceramic comprising said bn |
March 16, 1993 |
| The present invention discloses a process for producing a boron nitride-coated SiC whisker, comprising dissolving a borazine represented by the following formula (I) in hexane, dispersing a SiC whisker in the resultant solution, collecting the SiC whisker thus treated by filtration, |
| 5162421 |
Rubber composition |
November 10, 1992 |
| A rubber composition comprising 100 parts by weight of a rubber component and compounded therewith 30 to 100 parts by weight of a carbon black of the category of hard carbon blacks having a nitrogen adsorption specific surface area (N.sub.2 SA) of 58 to 139 m.sup.2 /g, a DBP absorption n |
| 5143746 |
Process for producing magnetite-coated electrode |
September 1, 1992 |
| A process for producing a magnetite-coated electrode which comprises kneading an iron oxide powder, water and an organic binder under pressure sufficient to prepare a molded article, baking the molded article in a gas atmosphere mainly composed of a member selected from the group consist |
| 5120354 |
Method of disposing of fiber reinforced aluminum alloy composite |
June 9, 1992 |
| A method of disposing of a fiber reinforced aluminum alloy composite, which comprises putting an aluminum alloy composite reinforced with inorganic short fibers into a molten steel in the deoxidizing process for steel production. |
| 5105448 |
Device for counting small projections or depressions on surfaces of objects |
April 14, 1992 |
| A device for counting the number of very small projections on a surface of an object, which includes a casing therein housing a probe to be scanned in contact with the surface of the object having continuously occurring very small projections, a tip end portion of the probe being project |
| 5100637 |
Carbon black for compounding into tire tread rubber |
March 31, 1992 |
| Carbon black for compounding into a tire tread rubber which has a nitrogen adsorption specific surface area (N.sub.2 SA) of 120 to 165 m.sup.2 /g and a dibutyl phthalate absorption of at least 120 ml/100 g which belong to the respective regions of hard grade of carbon black, and has such |
| 5069892 |
Carbon black for tire tread |
December 3, 1991 |
| The present invention discloses a carbon black having an N.sub.2 SA of 75 to 105 m.sup.2 /g and a compressive DBP absorption of at least 110 ml/100 g and, at the same time, having the following selective characteristic values:true specific gravity.ltoreq.1.9080-0.0016.times.N.sub.2 SA;vo |
| 5059408 |
Carbon black for tire tread |
October 22, 1991 |
| There is disclosed carbon black for a tire tread which has a cetyltrimethylammonium bromide specific surface area (CTAB) of 120 to 160 M.sup.2 /g, a dibutly phthalate absorption number of compressed sample (24M4DBP) of at least 100 to 145 ml/100g, a tinting strength (Tint) of 100 to |
| 5053278 |
Carbonaceous granular heat insulator and process for preparing the same |
October 1, 1991 |
| A granular carbonaceous heat insulator comprising a carbon black pellet the surface of which is coated with a carbon layer having a dense structure is disclosed. This heat insulator is prepared by adhering a binder solution to a carbon black pellet, heating the resulting coating to remov |
| 4995999 |
Method of producing magnetic carbon black |
February 26, 1991 |
| Magnetic carbon black, a process for preparing the same, and a method of modifying magnetic carbon black are provided. The magnetic carbon black is prepared by process A in which when a hydrocarbon is supplied into a high temperature combustion gas stream formed by combustion of a fuel t |
| 4973463 |
Carbon black for tire tread |
November 27, 1990 |
| The present invention discloses carbon black for a tire tread having a cetyltrimethyl ammonium bromide specific surface area (CTAB) of 120 to 160 m.sup.2 /g, a dibutyl phthalate absorption number of compressed sample (24M4) of 95 to 135 ml/100 g, and a tinting strength (Tint) of 100 to 1 |
| 4929472 |
Surface-coated SiC whiskers, processes for preparing the same, ceramic reinforced with the same, |
May 29, 1990 |
| Disclosed are surface-coated SiC whiskers, proceses for preparing the same, a ceramic reinforced with the same, and a process for preparing said reinforced ceramic. The surface-coated SiC whiskers are SiC whiskers (I) having a surface coated with a thin carbonaceous layer having a thickn |
| 4900465 |
Process for preparing magnetic carbon black |
February 13, 1990 |
| Magnetic carbon black, a process for preparing the same, and a method of modifying magnetic carbon black are provided. The magnetic carbon black is prepared by process A in which when a hydrocarbon is supplied into a high temperature combustion gas stream formed by combustion of a fuel t |
| 4888215 |
Carbonaceous granular heat insulator and process for preparing the same |
December 19, 1989 |
| A granular carbonaceous heat insulator comprising a carbon black pellet the surface of which is coated with a carbon layer having a dense structure is disclosed. This heat insulator is prepared by adhering a binder solution to a carbon black pellet, heating the resulting coating to remov |
| 4784695 |
Carbon black for blending in rubber |
November 15, 1988 |
| A carbon black for blending in rubber is disclosed, which has a BET specific surface area (N.sub.2 SA) within a range of 65 to 84 m.sup.2 /g, an a value to be obtained according to the following calculation formula, of at least 270 and a ratio of the BET specific surface area (N.sub.2 SA |
| 4690811 |
Process for preparing silicon carbide whiskers |
September 1, 1987 |
| The present invention provides a process for preparing silicon carbide whiskers. According to the process, carbon black having the following properties (a) to (c) is blended, as a carbonaceous material, with a silicon source material, and the resulting mixture is heated in a non-oxid |
| 4632794 |
Process for manufacturing whisker preform for composite material |
December 30, 1986 |
| In a process for manufacturing a whisker preform for a composite material, a dispersion of a whisker in water or an organic solvent is passed through a sieve and is filtered, and a residual wet whisker cake is dried, with or without prior compression, to produce a cake having a desired d |
| 4548774 |
Method for preparing a SiC whisker-reinforced composite material |
October 22, 1985 |
| The invention provides a method for preparing a SiC whisker-reinforced composite material. A matrix material such as a metal, an alloy or a plastic is introduced into a fibrous base consisting of a SiC whisker sponge-like cake. The resultant structure is compressed into a desired sha |
| 4500672 |
Rubber composition comprising furnace carbon black |
February 19, 1985 |
| According to this invention, a rubber composition is provided, which comprises 100 parts by weight of a rubber component and 25 to 250 parts by weight of carbon black, which carbon black falls within the property range of an electron-microscopic average particle diameter (dn) of above 31 |
| 4500504 |
Process for preparing silicon carbide whiskers |
February 19, 1985 |
| The process according to the present invention involves mixing 100 parts by weight of a silica gel, containing 6.0 to 25.0% by weight with respect to a silicon of a water-soluble compound of at least one metal selected from the group consisting of iron, nickel and cobalt, with 110 to 400 |
| 4478973 |
Rubber composition containing furnace carbon black |
October 23, 1984 |
| A rubber composition is provided which comprises 100 parts by weight of basic rubber and 25 to 250 parts by weight of furnace carbon black having the particle properties defined by an N.sub.2 SA higher than 60 m.sup.2 /g and a DBP higher than 108 ml/100 g and the following selective |
