Patents by Inventor Kozo Tsuji
Kozo Tsuji has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 5306499Abstract: Microencapsulated pyrethroidal cockroach-controlling composition is provided, which has an excellent residual effect. The composition comprises phenylxylylethane and a pyrethroidal compound and is encapsulated in microcapsules formed of a polyurethane wall which have an average particle diameter of not more than 80 .mu.m, a wall thickness of not more than 0.3 .mu.m, and a value of the average particle diameter/wall thickness of 100-400.Type: GrantFiled: November 15, 1990Date of Patent: April 26, 1994Assignee: Sumitomo Chemical Company, LimitedInventors: Toshiro Ohtsubo, Shigenori Tsuda, Hitoshi Kawada, Goro Shinjo, Kozo Tsuji
-
Patent number: 5178872Abstract: An insecticidal and/or acaricidal and/or nematicidal composition having a rapid efficacy and residual activity which comprises a mixture of a poorly water-soluble organophosphorus insecticide and/or acaricide and/or nematicide and/or a poorly water-soluble carbamate insecticide and/or acaricide which have been microencapsulated in water-insoluble polymer coatings with a dispersing agent used in forming a microcapsule part, with a poorly water-soluble pyrethroid insecticide and/or acaricide emulsified or suspended in water with the above-mentioned dispersing agent used in forming a flowable part.Type: GrantFiled: November 8, 1990Date of Patent: January 12, 1993Assignee: Sumitomo Chemical Co., Ltd.Inventors: Toshiro Ohtsubo, Shigenori Tsuda, Kozo Tsuji
-
Patent number: 5137726Abstract: The present invention discloses emulsifiable pesticidal solid compositions obtained by spray-drying aqueous emulsions comprising (a) pesticides having a melting point of not higher than 70.degree. C., (b) surfactants, (c) dextrin and/or lactose, and (d) water and, if necessary and desired, (e) organic solvents and/or water soluble carriers. The emulsifiable pesitcidal solid compositions are easy in handling and can be readily emulsified.Type: GrantFiled: April 16, 1990Date of Patent: August 11, 1992Assignee: Sumitomo Chemical Company, LimitedInventors: Masao Ogawa, Shigenori Tsuda, Kozo Tsuji
-
Patent number: 5063059Abstract: Microencapsulated pyrethroidal cockroach-controlling composition is provided, which has an excellent residual effect. The composition comprises phenylxylylethane and a pyrethroidal compound and is encapsulated in microcapsules formed of a polyurethane wall which have an average particle diameter of not more than 80 .mu.m, a wall thickness of not more than 0.3 .mu.m, and a value of the average particle diameter/wall thickness of 100-400.Type: GrantFiled: November 15, 1990Date of Patent: November 5, 1991Assignee: Sumitomo Chemical Co., Ltd.Inventors: Toshiro Ohtsubo, Shigenori Tsuda, Hitoshi Kawada, Goro Shinjo, Kozo Tsuji
-
Patent number: 4945088Abstract: Insecticidal wettable powders containing an insecticide which is liquid at room temperature and a calcined synthetic hydrated silicon dioxide, which can retain its insecticidal effect for a long time without separating oil drops when used by diluting with water.Type: GrantFiled: February 14, 1985Date of Patent: July 31, 1990Assignee: Sumitomo Chemical Company, LimitedInventors: Yukikazu Okamoto, Manabu Tagami, Goro Shinjo, Kozo Tsuji
-
Patent number: 4900551Abstract: Termites are prevented by applying thereto microencapsulated organophosphorus termite controlling composition in an amount of 5-100 g as an effective ingredient. The composition comprises an organophosphorus insecticidal compound encapsulated in a microcapsule formed of a polyurea or polyurethane wall and having an average particle diameter of not more than 80 .mu.m, a wall thickness of 0.1-1 .mu.m, and a value of the average particle diameter/wall thickness of 20-400.Type: GrantFiled: March 10, 1988Date of Patent: February 13, 1990Assignee: Sumitomo Chemical Company, Ltd.Inventors: Toshiro Ohtsubo, Shigenori Tsuda, Yukio Manabe, Takaaki Itoh, Hitoshi Kawada, Goro Shinjo, Kozo Tsuji
-
Patent number: 4889719Abstract: A microencapsulated insecticidal composition has excellent residual effect which comprises an organophosphorus insecticide encapsulated in a wall formed of a polyurea and having an average particle diameter of not more than 80 .mu.m, a wall thickness of not more than 0.3 .mu.m and a ratio of an average particle diameter/wall thickness of not less than 250.Type: GrantFiled: July 6, 1988Date of Patent: December 26, 1989Assignee: Sumitomo Chemical Company, Ltd.Inventors: Toshiro Ohtsubo, Shigenori Tsuda, Yukio Manabe, Kiyoshi Kasamatsu, Hisami Takeda, Kozo Tsuji
-
Patent number: 4871766Abstract: An oil-in-water pesticidal emulsion which comprises one or more of hydrocarbons represented by the formula, ##STR1## wherein X.sub.1, X.sub.2, Y.sub.1, Y.sub.2, Z.sub.1 and Z.sub.2, which may be the same or different, represent a hydrogen atom or an alkyl group having two or less carbon atoms, R.sub.1 and R.sub.2, which may be the same or different, represent a hydrogen atom or a methyl group, and n represents 0 or 1, in an oil-in-water pesticidal emulsion containing an active ingredient having a pesticidal activity, of which the melting point is 0.degree. C. or higher and the solubility at 0.degree. C. in the hydrocarbons represented by the above formula is 10 wt. % or more (when two or more active ingredients are used together, said melting point and solubility shall be those of a mixture of these active ingredients).Type: GrantFiled: December 29, 1986Date of Patent: October 3, 1989Assignee: Sumitomo Chemical Company, LimitedInventors: Shigenori Tsuda, Yukio Manabe, Kozo Tsuji
-
Patent number: 4536498Abstract: A fungicidal composition containing a fungicidally effective amount of tolchlofos-methyl [O,O-dimethyl O-(2,6-dichloro-4-methylphenyl) phosphorothioate] as an active ingredient, attapulgite clay as a carrier and polypropylene glycol as a stabilizer, its formulation and its use as a fungicide.Type: GrantFiled: December 7, 1983Date of Patent: August 20, 1985Assignee: Sumitomo Chemical Company, LimitedInventors: Manabu Tagami, Kenzi Urayama, Tadashi Ooishi, Yukikazu Okamoto, Kozo Tsuji
-
Patent number: 4349379Abstract: An emulsifiable concentrate for weed control, which comprises 10 to 40 parts by weight of N'-[4-(4-methylphenethyloxy)phenyl]-N-methoxy-N-methylurea, 5 to 20 parts by weight of an emulsifier, 5 to 35 parts by weight of at least one of phenolic solvents of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each hydrogen or methyl, and 5 to 80 parts by weight of at least one of aromatic hydrocarbon solvents having 6 to 11 carbon atoms.Type: GrantFiled: November 26, 1980Date of Patent: September 14, 1982Assignee: Sumitomo Chemical Company, LimitedInventors: Fumio Horide, Kozo Tsuji, Ryo Yoshida
-
Patent number: 4303640Abstract: An oil-in-water insecticidal emulsion comprising 1 to 50% by weight of as an insecticidally active liquid ingredient at least one organophosphorus compound having a water-solubility of 1,000 ppm or less at a temperature of 10.degree. C.; 2 to 10% by weight of polyvinyl alcohol or gum arabic; and an appropriate amount of a thickener with the balance being water.Type: GrantFiled: March 17, 1980Date of Patent: December 1, 1981Assignee: Sumitomo Chemical Company, Ltd.Inventors: Hiroshi Fuyama, Kozo Tsuji
-
Patent number: 4283222Abstract: An emulsifiable concentrate for weed control, which comprises 10 to 20 parts by weight of N'-[4-(4-methylphenethyloxy)phenyl]-N-methoxy-N-methylurea, 5 to 15 parts by weight of an emulsifier, 10 to 70 parts by weight of at least one of aromatic hydrocarbon solvents of the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each hydrogen or alkyl having 1 to 3 carbon atoms and 15 to 75 parts by weight of at least one of ketonic solvents having not more than 9 carbon atoms, of which the water solubility is not more than 10% by weight at room temperature.Type: GrantFiled: May 20, 1980Date of Patent: August 11, 1981Assignee: Sumitomo Chemical Company, LimitedInventors: Fumio Horide, Kozo Tsuji
-
Patent number: 4283415Abstract: An oil-in-water insecticidal and acaricidal emulsion comprising 1 to 50% by weight of as a hydrophobic insecticidally and acaricidally active liquid ingredient at least one ester of the formula (I): ##STR1## where X is a hydrogen atom, a chlorine atom, a bromine atom or a fluorine atom; and Y is a group of the formula: ##STR2## where R.sub.1 is a methyl group or a group of the formula: ##STR3## where R.sub.5 is a chlorine atom, a bromine atom, a fluorine atom or a methyl group; R.sub.2 is a hydrogen atom or a methyl group; R.sub.3 is a chlorine atom, a bromine atom, a fluorine atom or a tert-butyl group; and R.sub.4 is an isopropyl group or a cyclopropyl group; 2 to 10% by weight of polyvinyl alcohol or gum arabic; and 0.1 to 20% by weight of a thickener with the balance being water.Type: GrantFiled: June 20, 1979Date of Patent: August 11, 1981Assignee: Sumitomo Chemical Company LimitedInventors: Hiroshi Fuyama, Kozo Tsuji
-
Patent number: 4186024Abstract: A method for improving the water-resistance of pullulan, which is a linear high polymer having the following structural formula: ##STR1## and useful as films, sheets, fibers and the like.Type: GrantFiled: June 3, 1976Date of Patent: January 29, 1980Assignees: Sumitomo Chemical Company, Limited, Hayashibara Biochemical Laboratories, Inc.Inventors: Masanori Fujimoto, Kosuke Fukami, Kozo Tsuji, Tsuneyuki Nagase
-
Patent number: 4152170Abstract: Cross-linked pullulans are obtained by the reaction of pullulan with a cross-linking agent selected from the group consisting of polycarboxylic acids, halogenated dicarboxylic acids, polycarboxylic anhydrides, aldehyde compounds, N-methylol compounds, isocyanate compounds, metaphosphoric acid salts, divinyl compounds, bis-aziridine and bifunctional compounds of the formula,X--R--Zwherein X and Z are each a halogen atom or an epoxy group and R is an aliphatic residue having 1 to 30 carbon atoms, in a solvent, and are useful as gels or beds for chromatography or in various fields requiring high degrees of water absorbency and retention.Type: GrantFiled: June 14, 1976Date of Patent: May 1, 1979Assignees: Sumitomo Chemical Company, Ltd., Hayashibara Biochemical Laboratories, Inc.Inventors: Tsuneyuki Nagase, Kozo Tsuji, Masanori Fujimoto, Fujio Masuko
-
Patent number: 4124748Abstract: A highly absorbent polymer is obtained by saponifying a crosslinked copolymer of a vinyl ester and an ethylenically unsaturated carboxylic acid or the derivative thereof. The absorbent polymer is suitable as a material, for example, for separation and purification of substances and a seed culturing media for plants.Type: GrantFiled: November 19, 1976Date of Patent: November 7, 1978Assignee: Sumitomo Chemical Company, LimitedInventors: Masanori Fujimoto, Kozo Tsuji, Tsuneyuki Nagase
-
Patent number: 4102842Abstract: A less colored, water-insoluble, hydrophilic gel which is a saponified product of the copolymer of a vinyl ester and an ethylenically unsaturated carboxylic acid or derivatives thereof, is prepared by drying said saponified product in a hydrated state. This gel is useful as an absorbent polymer material.Type: GrantFiled: July 22, 1976Date of Patent: July 25, 1978Assignee: Sumitomo Chemical Company, LimitedInventors: Masanori Fujimoto, Kozo Tsuji, Tsuneyuki Nagase
-
Patent number: 4101615Abstract: A process for producing alumina fiber or alumina-silica fiber having excellent mechanical strength and heat resistance, comprising (i) spinning a solution of at least one polyaluminoxane or of a mixture of at least one polyaluminoxane and one or more kinds of silicon-containing compounds in an organic solvent, (ii) hydrolyzing the resulting precursor fiber, and then (iii) calcining the hydrolyzed fiber, said polyaluminoxane being one or more kinds of polymers or copolymers which mainly consist of the structural units of the formula: ##STR1## wherein the pendant groups Y are one or more kinds of groups selected from the group consisting of an alkyl, an alkoxy, an acyloxy, phenyl and phenoxy, and which may be partially a halogen or hydroxy.Type: GrantFiled: August 20, 1975Date of Patent: July 18, 1978Assignee: Sumitomo Chemical Company, LimitedInventors: Shozo Horikiri, Kozo Tsuji, Yasuaki Abe, Akio Fukui, Eiichi Ichiki
-
Patent number: 4095525Abstract: A protective coating material for lithographic printing plate, which comprises pullulan or pullulan derivatives. Said material is superior to hitherto used gum arabic solution in the protection of the surface of lithographic printing plate against oxidation and scumming as well as in the ability to enhance the hydrophilic character of metallic surface of a non-image area.Type: GrantFiled: October 20, 1976Date of Patent: June 20, 1978Assignees: Sumitomo Chemical Company, Limited, Hayashibara Biochemical Laboratories, Inc.Inventors: Norishige Tsukada, Kazuo Hagihara, Kozo Tsuji, Masanori Fujimoto, Tsuneyuki Nagase
-
Patent number: 4092454Abstract: Nonwoven fabric having desirable water absorbency and excellent resistances to oils and solvents is obtained by use of pullulan and/or derivatives thereof as binder.Type: GrantFiled: May 27, 1976Date of Patent: May 30, 1978Assignees: Sumitomo Chemical Company, Limited, Hayashibara Biochemical Laboratories, Inc.Inventors: Masahiro Domoto, Kozo Tsuji