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| Number | Title | Issue Date |
| 7135162 | Agent for diagnosing and treating malignant tumors A composition of a compound or derivative thereof in which at least one carbon atom of 5-aminolevulinic acid is a carbon isotope and/or a nitrogen atom in its amino group is a nitrogen isotope, and where said derivative is an ester, amide, salt, hydrate or solvate o... | 11/14/2006 |
| 6905671 | Diagnostic agents and remedies for malignant tumors An agent for diagnosing or photokinetically treating malignant tumors, comprising as an active ingredient a compound in which at least one carbon atom of 5-aminolevulinic acid is a carbon isotope and/or a nitrogen atom in its amino group is a nitrogen isotope, or an... | 06/14/2005 |
| 6716609 | Polypeptides having α-hydroxy-γ-carboxymuconic acid-ε-semialdehyde dehydrogenase activity α-Hydroxy-γ-carboxymuconic acid-ε-semialdehyde dehydrogenase, a gene encoding the enzyme, a recombinant vector containing the gene and a transformant carrying the gene, and processes for producing the enzyme and 2-pyrone-dicarboxylic acid by using the transforman... | 04/06/2004 |
| 6673233 | Method of isomerizing light hydrocarbon oil A process for isomerizing a light hydrocarbon oil which comprises: subjecting the light hydrocarbon oil to a hydrogenation treatment for converting an organosulfur component in the light hydrocarbon oil into hydrogen sulfide to give an organosulfur conten... | 01/06/2004 |
| 6399035 | Reduction purification method of nitrogen oxide-containing exhaust gas A reduction purification method of a nitrogen oxide-containing exhaust gas by contacting said nitrogen oxide-containing exhaust gas with a catalyst in an oxidative atmosphere in which an excess amount of oxygen is present and in the presence of a least on... | 06/04/2002 |
| 6355671 | SULFONATED DERIVATIVES OF CYCLIC PHENOL SULFIDES, PROCESS FOR THE PREPARATION THEREOF, SEPARATING AND RECOVERING AGENTS CONTAINING CYCLIC PHENOL SULFIDES, METHODS FOR SEPARATION AND RECOVERY THEREWITH, AND DRUG COMPOSITIONS CONTAINING THE SULFIDES A sulfonic acid compound of a cyclic phenol sulfide represented by formula (1): ##STR1## (wherein X represents a hydrogen atom, a hydrocarbon group, or an acyl group; M represents a hydrogen atom, an alkyl group, a metal, ammonium, (lower-alkyl)ammon... | 03/12/2002 |
| 6342377 | Microorganisms producing 5-aminolevulinic acid and processes for producing 5-aminolevulinic acid by using the same Microorganisms producing 5-aminolevulinic acid which show a 5-aminolevulinic acid synthetase activity of 2 to 7 (nmol/min/mg protein) under aerobic culture conditions with a dissolved oxygen concentration of 0.70 to 6.60 ppm; a process for producing 5-ami... | 01/29/2002 |
| 6340579 | Gene encoding an alpha-hydroxy-gamma-carboxymuconic acid-epsilon-semialdehyde dehydrogenase -Hydroxy-γ-carboxymuconic acid-&3xb5;-semialdehyde dehydrogenase, a gene encoding the enzyme, a recombinant vector containing the gene and a transformant carrying the gene, and processes for producing the enzyme and 2-pyrone-dicarboxylic acid by u... | 01/22/2002 |
| 6340739 | Polyamide and process for producing the same A polyamide having repeating units represented by formula (1), wherein R1 represents a divalent hydrocarbon residue optionally having in the structure a heteroatom having no active hydrogen. The polyamide has a high refractive index, is biodegr... | 01/22/2002 |
| 6303745 | Polyester and process for producing the same A polyester having repeating units represented by formula (1): ##STR1## wherein R1 represents a divalent hydrocarbon residue which in its structure may contain a heteroatom having no active hydrogen. The polyester has a high refractive index an... | 10/16/2001 |
| 6030590 | Reduction purification method of nitrogen oxide-containing exhaust gas A reduction purification method of a nitrogen oxide-containing exhaust gas by contacting said nitrogen oxide-containing exhaust gas with a catalyst in an oxidative atmosphere in which an excess amount of oxygen is present and in the presence of at least o... | 02/29/2000 |
| 6017971 | Resin composition to be plated A resin composition for plating comprising a thermoplastic resin and aluminum borate or amorphous silica, or both as an inorganic filler. The resin compositionexhibits excellent plating characteristics and excellent electrical characteristics.... | 01/25/2000 |
| 5998631 | Cyclic phenol sulfide having at least one sulfinyl or sulfonyl group and process for producing the same A cyclic phenol sulfide containing at least one sulfinyl or sulfonyl group represented by formula (1): ##STR1## wherein X represents a hydrogen atom, a hydrocarbon group, or an acyl group; Y represents a hydrogen atom, a hydrocarbon group, a halogena... | 12/07/1999 |
| 5911964 | Method for reducing carbon dioxide using a catalyst for reduction of carbon dioxide A catalyst for the reduction of carbon dioxide which comprises employing a catalyst which contains at least one transition metal selected from the group consisting of Group VIII (e.g., Ni, Fe, Co, Ru, Rh) and Group VIa (e.g., Mo, W) in the Periodic Table ... | 06/15/1999 |
| 5895777 | Petroleum additive having excellent storage stability and heat stability comprising an alkaline earth metal salt of aromatic hydroxycarboxylic acid or a sulfurized mixture thereof A petroleum additive having excellent storage stability and heat stability, which comprises an alkaline earth metal salt of aromatic hydroxycarboxylic acid containing a higher aliphatic carboxylic acid, a higher aliphatic amine or a higher aliphatic amide... | 04/20/1999 |
| 5881358 | Composition for extracting transition metal and method for extracting transition metal using the same A composition for extracting a transition metal which comprises as an active ingredient a cyclic phenol sulfide represented by the following formula (1): ##STR1## wherein X represents a hydrogen atom, a hydrocarbon group, an acyl group, a carbox... | 03/09/1999 |
| 5824808 | Cyclic phenol sulfide and process for producing the same A cyclic phenol sulfide represented by the following formula (1) is described: ##STR1## wherein X represents a hydrogen atom, a hydrocarbon group, or an acyl group; Y1 represents a hydrogen atom, a hydrocarbon group, a halogenated hyd... | 10/20/1998 |
| 5777186 | Process for hydrogenating benzene in hydrocarbon oils A process for selectively hydrogenating benzene in a hydrocarbon oil is disclosed. The process comprises reacting the hydrocarbon oil with hydrogen gas in the presence of a hydrogenation catalyst comprising at least one metal in Group VIII of the Periodic... | 07/07/1998 |
| 5773536 | Resin composition to be plated A structure of a microporous resin bonded to metal is prepared by a method, comprising, molding a resin composition comprising a polymer alloy consisting of polyether imide and polyphenylene ether and particles of aluminum borate or amorphous silica fille... | 06/30/1998 |
| 5763235 | 5-aminolevulinic acid producing microorganism and process for producing 5-aminolevulinic acid A microorganism that produces 5-aminolevulinic acid, wherein the microorganism has a 5-aminolevulinic acid dehydratase variant having a reduced inhibitor constant for a 5-aminolevulinic acid dehydratase inhibitor. A microorganism that produces 5-aminolevu... | 06/09/1998 |
| 5750821 | Method for oxidative coupling of methane comprising catalytic cracking The following steps are conducted for producing a hydrocarbon having a carbon number of at least 2: a coupling step, in which a coupling feed gas containing methane and a gas containing oxygen are supplied to a conveying catalyst bed which is formed by an... | 05/12/1998 |
| 5736107 | Apparatus for oxidative coupling of methane An apparatus for oxidative coupling of methane having a coupling reactor in the shape of a vertical pipe, a gas-solid separator, a catalyst feedback system and, between the gas-solid separator and catalyst feedback system, a catalyst cooling system for co... | 04/07/1998 |
| 5733770 | 5-aminolevulinic acid producing microorganism and process for producing 5-aminolevulinic acid A microorganism that produces 5-aminolevulinic acid, wherein the microorganism has a 5-aminolevulinic acid dehydratase variant having a reduced inhibitor constant for a 5-aminolevulinic acid dehydratate inhibitor. A microorganism that produces 5-aminolevu... | 03/31/1998 |
| 5719665 | Method and apparatus for determining the content of insolubles in oils A method of determining the content of insolubles in oils using (a) a relation for measuring either absorbance or transmittance from the intensity of transmitted light, (b) a calibration curve for determining the content of insolubles on calibration curve... | 02/17/1998 |
| 5705142 | Process for producing a crystalline aluminosilicate The present invention disclosed a crystalline aluminosilicate which has the following characteristics: (A) an SiO2 /Al2 O3 molar ratio as determined by chemical analysis of from 5 to 11; (B) a unit cell dimension of from 24.45 ... | 01/06/1998 |
| 5672873 | Method and apparatus for quantitative determination of components in residual fuel oils In a method and an apparatus for determining a content of an aliphatic hydrocarbon insoluble matter in a residual fuel oil, the method includes the steps of: (a) measuring absorbances of a sample solution having an aliphatic hydrocarbon insoluble matter s... | 09/30/1997 |
| 5661111 | Method for improving plant salt-tolerance A method for improving plant salt-tolerance is described, which comprises treating a plant with an active ingredient comprising at least one compound selected from the group consisting of 5-aminolevulinic acid, a derivative of 5-aminolevulinic acid, a sal... | 08/26/1997 |
| 5646082 | Crystalline aluminosilicate, process for producing the same, and catalyst employing the same for catalytic cracking of hydrocarbon oil The present invention disclosed a crystalline aluminosilicate which has the following characteristics: (A) an SiO2 /Al2 O3 molar ratio as determined by chemical analysis of from 5 to 11; (B) a unit cell dimension of from 24.45 ... | 07/08/1997 |
| 5554766 | Process for preparing water-soluble organic oxide A process for preparing a water-soluble organic oxide which comprises reacting an oil-soluble organic compound with molecular oxygen in the presence of a water-insoluble sensitizer in an organic solvent phase under irradiation of light to produce a water-... | 09/10/1996 |
| 5544635 | Spark-ignition engine and a method of adaptive control on the ignition timing thereof A spark-ignition engine that has a cylinder and a crank connected to the piston in the cylinder and which converts the reciprocating motion of the piston to rotary motion via the crank, characterized in that said engine further includes: an angle sensor f... | 08/13/1996 |
| 5538650 | Process for producing mixture of sulfurized alkaline earth metal salts of salicylic acid compound and phenol Disclosed is a process for producing a mixture of sulfurized alkaline earth metal salts of a salicylic acid compound and a phenol which comprises reacting either a mixture of reactants comprising a phenol, a dihydric alcohol, and an alkaline earth metal o... | 07/23/1996 |
| 5531885 | Hydroconversion process for heavy hydrocarbon oil Disclosed is a process for hydroconverting a heavy hydrocarbon oil in a reactor under high-temperature and high-pressure conditions, wherein said hydroconversion is carried out through using at least three desulfurization catalysts which each contains as activ... | 07/02/1996 |
| 5530047 | Polymer composition for electrical part material A polymer composition for electrical part material comprising, (I) a polymer blend which comprises (A) at least one polymer selected from specific types of polyether imides and polyesters, and (B) at least one polymer selected from specific types of polyp... | 06/25/1996 |
| 5502098 | Polymer composition for electrical part material A polymer composition for electrical part material comprising, (I) a polymer blend which comprises (A) at least one polymer selected from specific types of polyether imides and polyesters, and (B) at least one polymer selected from specific types of polyp... | 03/26/1996 |
| 5494875 | Alumina-containing carrier and hydrofining catalyst for hydrocarbon oils A carrier suitable for preparing a catalyst for hydrofining hydrocarbon oils which has a high ability to eliminate metals contained in the hydrocarbon oils and an improved metal tolerance as well as said catalyst are provided. The carrier of the present i... | 02/27/1996 |
| 5489572 | Methods for reducing nitrate nitrogen and oxalic acids contents nin plants Methods for reducing nitrate nitrogen and oxalic acid contents in plants, each of which comprises applying 5-aminolevulinic acid, a salt thereof or a mixture thereof. Nitrate nitrogen and oxalic acid contents in plants having high nitrate nitrogen and oxa... | 02/06/1996 |
| 5446202 | Over-based sulfurized alkaline earth metal phenate and process for producing the same Disclosed are a process for producing an over-based sulfurized alkaline earth metal phenate which comprises reacting either a mixture of reaction materials comprising a phenol, a dihydric alcohol, an alkaline earth metal reagent which is an alkaline earth... | 08/29/1995 |
| 5435842 | Vibration damping thick-film coating composition and method of forming the coated film Vibration damping thick-film coating composition comprising a coating composition comprising 100 parts by weight of a binder, from 20 to 200 parts by weight of a hydraulic inorganic filler, from 10 to 150 parts by weight of a filler other than the hydraul... | 07/25/1995 |
| 5380935 | Process for preparing 5-aminolevulinic acid A process for preparing 5-aminolevulinic acid or a salt thereof, which comprises reacting furfurylamine, of which the amino group has been protected, with oxygen molecule under irradiation by light in the presence of a sensitizer; hydrogenating the result... | 01/10/1995 |
| 5354344 | Gasoline fuel composition containing 3-butyn-2-one A fuel oil composition for use in a spark ignition engine, which comprises conventional gasoline for spark ignition engine use and a compound selected from the group consisting of an alkynyl alcohol, alkynyl ether, alkynyl ketone, alkenyl aldehyde or an a... | 10/11/1994 |
