| Patent Number |
Title Of Patent |
Date Issued |
| RE32792 |
Process for producing mesophase pitch |
November 29, 1988 |
| A substantially uniform mesophase pitch is prepared by treating a mesophase forming pitch material at elevated temperatures above about 380.degree. C. to produce a mixture of mesophase and non-mesophase pitch containing about 20% to about 80% mesophase. The mixture is then maintained at |
| 5426051 |
Gene for A-type inclusion body of poxvirus |
June 20, 1995 |
| A gene fragment coding for a major protein of A-type inclusion body in poxvirus; a DNA fragment comprising an expression control region related to the gene; a plasmid comprising the gene and the expression control region for the gene; and a process for production of the above-mentioned |
| 5217699 |
Calcium-phosphate type hydroxyapatite |
June 8, 1993 |
| A calcium-phosphate type hydroxyapatite for chromatographic separation is in the form of spherulites having a mean particle diameter of 0.5 to 50 .mu.m, preferably 1 to 10 .mu.m. The spherulites are each an aggregate mainly of acicular crystallites belonging to a series of hexagonal syst |
| 5166104 |
Polysiloxazanes, silicon oxynitride fibers and processes for producing same |
November 24, 1992 |
| Novel polysiloxazanes comprising [SiH.sub.2).sub.n NH-- and [SiH.sub.2).sub.m O-- as the main repeating units are provided. The polysiloxazanes are produced by reacting a dihalosilane or an adduct thereof with a Lewis base, with ammonia and water vapor or oxygen. From the polysiloxaz |
| 5151390 |
Silicon nitride-based fibers and composite material reinforced with fibers |
September 29, 1992 |
| Inorganic fibers having a high strength and a high modulus of elasticity at a high temperature are provided. The inorganic fibers are amorphous inorganic silicon nitirde-based fibers composed of silicon and nitrogen, optionally with oxygen, carbon and hydrogen, and having atomic ratio |
| 5145728 |
Oriented polyethylene film |
September 8, 1992 |
| An oriented polyethylene film with an excellent moistureproofness and optical property is provided in which the degree of crosslinking is uniform or decreases inwardly across the thickness of the film, and which consists of a composition comprising (A) 50 to 90% by weight of polyethy |
| 5127822 |
Combustion apparatus with atomizer and method of controlling same |
July 7, 1992 |
| Provided is an atomizer-equipped combustion apparatus including an atomizing device for atomizing a fuel, a spray chamber for mixing the fuel atomized by the atomizing device with air to form a mixture, and for moving the mixture downwardly toward an opening at a distal end portion of |
| 5122417 |
Fiber-reinforced composite resin pultrusion products and method of manufacturing the same |
June 16, 1992 |
| This invention relates to fiber-reinforced composite resin pultrusion products of circular and noncircular cross-sectional contours, manufactured by impregnating fiber tows or rovings with a resin, drawing them into a die, and forming them into an article of predetermined size and sh |
| 5114697 |
High strength, high modulus pitch-based carbon fiber |
May 19, 1992 |
| A high strength, high modulus pitch-based carbon fiber has a crystalline structure in which the presence of the (112) cross-lattice line and the resolution of the diffraction band into the (100) and (101) diffraction lines, which indicate the three-dimensional order of the crystallite of |
| 5082566 |
Calcium-phosphate type hydroxyapatite for chromatographic separation and process for producing s |
January 21, 1992 |
| A calcium-phosphate type hydroxyapatite for chromatographic separation is in the form of spherulites having a mean particle diameter of 0.5 to 50 .mu.m, preferably 1 to 10 .mu.m. The spherulites are each an aggregate mainly of acicular crystallites belonging to a series of hexagonal syst |
| 5043204 |
Oriented polyethylene film |
August 27, 1991 |
| An oriented polyethylene film with an excellent moistureproofness and optical property is provided in which the degree of crosslinking is uniform or decreases inwardly across the thickness of the film, and which consists of a composition comprising (A) 50 to 90% by weight of polyethy |
| 5041252 |
Nonwoven fabric of water-soluble resin fibers |
August 20, 1991 |
| A nonwoven fabric consisting of water-soluble resin fine fibers having a mean fiber diameter of at most 30 .mu.m and a basis weight of 5 to 500 g/m.sup.2 is produced by extruding an aqueous solution containing a water-soluble resin or a melt of a water-soluble resin plasticized with |
| 5029677 |
Damping system for vibrating body |
July 9, 1991 |
| A viscous damper wherein the viscosity of a fluid, such as an oil, is used to generate damping effect when the fluid is passed through a restricted orifice or slit. Electrodes are arranged to face each other across the orifice or slit so that an electric field is created in a direction w |
| 5003058 |
DNA coding for antigen protein of rinderpest virus |
March 26, 1991 |
| A DNA coding for an entire or a part of an antigen protein of the rinderpest virus; a protein for the production of the DNA comprising the steps of preparing an mRNA from the rinderpest virus, preparing a cDNA library from the mRNA, selecting a cDNA coding for the target protein from |
| 5002928 |
Method for forming oxide superconducting films with an ultrasonic wave sprayer |
March 26, 1991 |
| A thin film of a superconductor comprising composite metal oxides is formed by atomizing and spraying a homogeneous solution or solutions containing as solutes one or more of metal compounds capable of forming the superconductor, with an ultrasonic wave sprayer, onto a hot substrate to |
| 4999409 |
Diolefin polymer of copolymer and a process for the production of the same |
March 12, 1991 |
| 1,4-Addition polymers or copolymers of diolefins useful as a functional or active polymer is provided which comprises, in combination, the following recurring units (A) and (B): ##STR1## wherein n=4 to 6 and A/B mole ratio=0 to 98/100 to 2. |
| 4992374 |
Mutant vaccinia virus and process for production thereof |
February 12, 1991 |
| An improved mutant vaccinia virus providing a pock and plaque size on RK13 cells that is approximately the same as those of the Lister original, having a proliferation potency on YTV cells that is approximately the same as that of the Lister original, and having a neurovirulence, assesse |
| 4983457 |
High strength, ultra high modulus carbon fiber |
January 8, 1991 |
| A high strength, ultra high modulus carbon fiber is characterized by the presence of the (112) cross-lattice line and the resolution of the diffraction band into two distinct lines (100) and (101), which indicate the three-dimensional order of the crystallite of the fiber. It has an |
| 4968453 |
Synthetic lubricating oil composition |
November 6, 1990 |
| A synthetic lubricating oil composition which is suitable for lubrication of mechanical super charger, which composition comprises(A) a diester of an aliphatic dibasic acid having 4 to 14 carbon atoms and an alcohol having 4 to 14 carbon atoms, or a mixture thereof, of which viscosity at |
| 4966981 |
Process for preparing epoxy group-containing silanes |
October 30, 1990 |
| In a process for the preparation of epoxy group-containing alkoxy silanes by hydrosililation of a terminally unsaturated epoxy compound with a hydro-alkoxy silane using a platinum catalyst, the improvement comprising carrying out the hydrosililation in the presence of an alcohol. By this |
| 4965058 |
Polysiloxazanes, silicon oxynitride fibers and processes for producing same |
October 23, 1990 |
| Novel polysiloxazanes comprising --SiH.sub.2).sub.n NH-- and --SiH.sub.2).sub.m O-- as the main repeating units are provided. The polysiloxazanes are produced by reacting a dihalosilane or an adduct thereof with a Lewis base, with ammonia and water vapor or oxygen. From the polysilox |
| 4960903 |
Aromatic compounds having sulfonyl groups |
October 2, 1990 |
| An aromatic compound having sulfonyl groups, as an intermediate or raw material of polyimides having a good and well-balanced heat resistance and moldability is effectively produced by reacting a compound represented by the general formula,wherein Ar is ##STR1## Y is a bond, oxyg |
| 4959338 |
Heat-resistant catalyst carrier moldings and catalysts for combustion |
September 25, 1990 |
| The present invention relates to a heat-resistant catalyst carrier and a catalyst carrier molding comprising silica and alumina, in which a silica content is in a range of 2% by weight to 30% by weight, and an overall pore volume is at least 0.3 ml/g and a volume of pores having a diamet |
| 4950562 |
Solid electrolyte type fuel cells |
August 21, 1990 |
| The present invention provides a solid electrolyte type of fuel cell of a planar type structure comprising a plurality of solid electrolyte plates, each being in the form of a flat plate and having a porous cathodic layer on one side and a porous anodic layer on the other side, which are |
| 4933160 |
Reformed, inorganic polysilazane |
June 12, 1990 |
| A novel, reformed, inorganic polysilazane which is liquid or solid at room temperature and soluble in o-xylene at room temperature and which has (a) a number-average molecular weight of 200-500,000, (b) contents of Si, N and H of 50-70% by weight, 20-34% by weight and 5-9% by weight, |
| 4921988 |
Process for preparing aminopropyl silanes |
May 1, 1990 |
| A process for preparing aminopropyl silanes in which an allylamine is reacted with a hydrosilane in the presence of a catalyst comprising (i) metallic rhodium or a rhodium compound and (ii) a basic compound. By the proposed process the corresponding gammaaminopropyl silane can be prepare |
| 4912920 |
Ultrasonic burner system for regenerating a filter |
April 3, 1990 |
| An ultrasonic burner system for regenerating a filter comprises an ultrasonic atomizer for atomizing fuel oil into fine droplets and a combustion chamber that is adapted to pass a exhaust gas created therein by the combustion of the fine droplets toward the filter to regenerate the f |
| 4897501 |
Process for preparing aminopropyl alkoxy silanes |
January 30, 1990 |
| In a process for preparing aminopropyl alkoxy silanes comprising reacting an allylamine with a hydro-alkoxy silane in the presence of a rhodium catalyst, the improvement which comprises use of a rhodium phosphide or its oligomer as said rhodium catalyst. By this process the desired g |
| 4891173 |
Process for producing a crosslinked and oriented polyethylene film |
January 2, 1990 |
| A crosslinked and oriented polyethylene film superior in clarity as well as moistureproofness and having an improved stretchability is produced by a process for producing a crosslinked and oriented polyethylene film such that the degree of crosslinking inwardly decreases across the thick |
| 4888436 |
Process for preparing aminopropyl alkoxy silanes |
December 19, 1989 |
| A process for preparing aminopropyl alkoxy silanes comprising reacting an allylamine having at least one active hydrogen atom attached to the amine nitrogen atom with a hydro-alkoxy silane having from 1 to 3 alkoxy groups attached to the silicon atom in the presence of a rhodium complex |
| 4886860 |
Polymetalosilazane and process for preparing same |
December 12, 1989 |
| A novel polymetalosilazane having a metal/silicon atomic ratio of from 0.001 to 3 and a number average molecular weight of about 200 to 500,000 is prepared by a process comprising: reacting a polysilazane having a number average molecular weight of about 100 to 500,000, which has a s |
| 4873034 |
Process for producing microporous ultra-high-molecular-weight polyolefin membrane |
October 10, 1989 |
| A process for producing a relatively thick microporous ultra-high-molecular-weight polyolefin membrane, including the steps of: (1) preparing a solution of an ultra-high-molecular-weight polyolefin having a weight-average molecular weight of 5.times.10.sup.5 or more; (b) extruding th |
| 4869858 |
Processes for producing polysiloxazanes and silicon oxynitride fibers |
September 26, 1989 |
| Novel polysiloxazanes comprising [(SiH.sub.2).sub.n NH] and [(SiH.sub.2).sub.m O] as the main repeating units are provided. The polysiloxazanes are produced by reacting a dihalosilane or an adduct thereof with a Lewis base, with ammonia and water vapor or oxygen. From the polysiloxaz |
| 4849311 |
Immobilized electrolyte membrane |
July 18, 1989 |
| Disclosed are immobilized electrolyte membranes having a high electric conductivity and a high mechanical strength, where an ionic conductor such as a polymer electrolyte or an ion-exchange resin is immobilized in pores of a porous solid polymer membrane, particularly of polyolefin havin |
| 4844343 |
Ultrasonic vibrator horn |
July 4, 1989 |
| An ultrasonic vibrator horn for use with ultrasonic atomizing apparatus for atomizing liquids, such as liquid fuels, employed in gasoline engines, diesel engines, gas turbines and various combustors such as industrial, commercial and domestic boilers. The ultrasonic vibrator horn has a b |
| 4840778 |
Inorganic polysilazane and method of producing the same |
June 20, 1989 |
| Novel primarily chain inorganic polysilazanes of average molecular weight of 690 to 2000 are prepared from novel adducts of a halosilane and a base by reacting the adducts with ammonia in unreactive solvents. Silicon nitride is prepared by heating the polysilazanes at 1000.degree. to |
| 4837193 |
Hydrotreating catalyst and process of manufacture |
June 6, 1989 |
| Hydrotreating catalyst comprising silica/alumina or silica/alumina-containing carrier comprising 2 to 35 wt. % silica and Group VIII and/or Group VIB metals as hydrogenation active components is prepared by first step impregnation with at least one Group VIII metal and a second step |
| 4833107 |
Method for producing nitride-base ceramics |
May 23, 1989 |
| Fired nitride-base ceramics, i.e., silicon nitride or oxynitride, having a low carbon content and, therefore, low electrical and thermal conductivities, can be produced by heat treating a ceramic precursor comprising polysilazane, polysiloxazane or polycarbosilazane or a mixture ther |
| 4822587 |
High modulus pitch-based carbon fiber and method for preparing same |
April 18, 1989 |
| Extremely high modulus carbon fibers can be produced by carbonization at a substantially lower temperature, for example, at about 2500.degree. C. This is made possible by selectively stabilizing only an outer surface layer portion of a carbonaceous pitch-based fiber comprised mainly of |
| 4820674 |
Process for preparing a hydrosilylation catalyst |
April 11, 1989 |
| A process for preparing a hydrosilylation catalyst by dissolving chloroplatinic acid H.sub.2 PtCl.sub.6 in a cyclic ether or cyclic ester containing at least 3 carbon atoms, and maintaining the resulting solution at a temperature of at least 30.degree. C. |
| 4814313 |
Method of production of catalyst carrier for polymerization of olefin |
March 21, 1989 |
| A method for the production of a catalyst carrier for use in the polymerization of an olefin, which method comprises causing a magnesium-containing solid obtained by contact of (A) magnesium metal, (B) a halogenated hydrocarbon represented by the general formula, RX wherein R stands |
| 4814312 |
Method for production of catalyst component for olefin polymerization |
March 21, 1989 |
| A method for the production of a catalyst component for use in the polymerization of an olefin, which method comprises causing a magnesium-containing solid obtained by contact of (A) magnesium metal, (B) a halogenated hydrocarbon represented by the general formula, RX [wherein R stan |
| 4814311 |
Method for production of catalyst component for olefin polymerization (P-1292) |
March 21, 1989 |
| A method for the production of a catalyst component for use in the polymerization of an olefin, which method comprises causing a magnesium-containing solid obtained by contact of (A) magnesium metal, (B) a halogenated hydrocarbon represented by the general formula, RX, wherein R stan |
| 4812634 |
IC card with a solar battery |
March 14, 1989 |
| An IC card having a plastics card body which mounts a CPU, a RAM, a ROM, a solar battery mounts also to EEPROM (electrically erasable programmable read only memory), which is used for identification of a card owner. Due to high power consumption of said EEPROM, a tandem type solar batter |
| 4794171 |
Calcium-phosphate type hydroxyapatite and process for producing same |
December 27, 1988 |
| A calcium-phosphate type hydroxyapatite which belongs to a series of hexagonal systems has unit lattice constants of 9.58.+-.0.08 .ANG. for the a axis and 7.00.+-.0.05 .ANG. for the c axis. Its Ca/P ratio is in the range of 1.50 to 1.90. It is for use as a column packing material for |
| 4788261 |
Polyarylene sulfide resin composition |
November 29, 1988 |
| A polyarylene sulfide resin composition with an improved moldability and heat resistance is provided which comprises (a) 40 to 99% by weight of a polyarylene sulfide resin and (b) 1 to 60% by weight of a polyparabanic acid having the following recurring unit: ##STR1## wherein Z a |
| 4783003 |
Ultrasonic injecting method and injection nozzle |
November 8, 1988 |
| An ultrasonic injection nozzle includes an ultrasonic vibration generating device and a vibrating element. The vibrating element; connected to the vibration generating device so as to be vibrated thereby. The vibrating element has formed at its forward end an edged portion to and along w |
| 4781947 |
Sizing agent for carbon fibers |
November 1, 1988 |
| A sizing agent for a carbon fiber comprized mainly of an unsaturated urethane compound produced by a reaction of an unsaturated alcohol with an isocyanate which is able to couple the carbon fiber with an unsaturated polyester resin or vinylester resin is disclosed. The preferably uns |
| 4775651 |
Process for the production of silanes |
October 4, 1988 |
| Silanes are produced by the disproportionation and/or redistribution reaction of chlorosilanes using a novel catalyst having a longer life and consisting of a quaternary phosphonium salt bonded to an organic macromolecule or polymer, represented by the following general formula: ##ST |
| 4756478 |
Vibrating element for use on an ultrasonic injection nozzle |
July 12, 1988 |
| The present invention is directed to the combination of a vibrating element and an ultrasonic nozzle having an ultrasonic vibrator. The combination includes a body having a liquid supply passage therethrough and a chamber having a first and second end. The liquid supply passage is in |
