Patents by Inventor Hisami Takeda
Hisami Takeda 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).
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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
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Patent number: 4668693Abstract: A bromodichloroimidazole derivative represented by the formula ##STR1## wherein R represents a C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.5 alkyl substituted by one or more halogen atoms, C.sub.3 alkenyl, C.sub.3 alkenyl substituted by one or more halogen atoms, C.sub.3 alkynyl or C.sub.3 alkynyl group substituted by one or more halogen atoms; its production; and an insecticidal and/or acaricidal composition containing it as an active ingredient.Type: GrantFiled: November 14, 1985Date of Patent: May 26, 1987Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroki Tomioka, Toshihiko Yano, Hisami Takeda, Naonori Hirata
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Patent number: 4394379Abstract: Amide phosphorothiolate derivatives of the formula, ##STR1## wherein X is an oxygen or sulfur atom, Y is an oxygen or sulfur atom or imino group, R.sub.1 and R.sub.2, which may be the same or different, are each a C.sub.1 -C.sub.3 alkyl group, R.sub.3 is a C.sub.1 -C.sub.4 alkyl group, R.sub.4 is a hydrogen atom or methyl group, R.sub.5 is a C.sub.1 -C.sub.3 alkyl, methoxy or ethoxy group, Z is a hydrogen atom, a methyl group or chlorine atom and n is 1 or 2, a process for producing said derivatives characterized by reacting the salt of thiophosphoric ester represented by the formula, ##STR2## wherein X, Y, R.sub.1 and R.sub.2 are as defined above and M is a sodium or potassium atom or ammonium group, with a haloacetamide derivative of the formula, ##STR3## wherein R.sub.3, R.sub.4, R.sub.5, Z and n are as defined above and W is a halogen atom, and a combined insecticide, acaricide, nematocide and/or fungicide containing said derivatives as an active ingredient.Type: GrantFiled: January 17, 1980Date of Patent: July 19, 1983Assignee: Sumitomo Chemical Company, LimitedInventors: Osamu Kirino, Masachika Hirano, Hisami Takeda, Toshiro Kato
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Patent number: 4309439Abstract: A novel substituted-arylacetic acid ester of the formula, ##STR1## wherein R.sub.1 and R.sub.2 are each hydrogen or a halogen atom, a C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, C.sub.1 -C.sub.4 alkoxy, cyano, nitro, methylthio, C.sub.1 -C.sub.4 alkanoyl, C.sub.1 -C.sub.4 alkanoyloxy, or C.sub.1 -C.sub.4 alkoxycarbonyl group, or R.sub.1 and R.sub.2, taken together, may form methylenedioxy, a C.sub.3 -C.sub.5 alkylene or butadienylene (--CH.dbd.CH--CH.dbd.CH--) ring; R.sub.3 is a C.sub.2 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, propargyl, C.sub.3 -C.sub.6 cycloalkyl or cyclopropylmethyl group; R.sub.4 is hydrogen or a halogen atom, methyl or ethyl group; R.sub.5 is allyl, propargyl, 3-butenyl, 3-butynyl, phenyl or benzyl group; and A is oxygen or sulfur atom or --CH.dbd.CH-- group, which possesses various useful insecticidal and acaricidal activities and can be prepared by reacting a substituted-arylacetic acid of the formula: ##STR2## wherein R.sub.1, R.sub.2, R.sub.Type: GrantFiled: February 28, 1978Date of Patent: January 5, 1982Assignee: Sumitomo Chemical Company, LimitedInventors: Nobuo Ohno, Isao Ohno, Toshio Nishioka, Hisami Takeda, Kiyoshi Kasamatsu
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Patent number: 4263463Abstract: Novel alkynylcyclopropanecarboxylic acid esters represented by the formula, ##STR1## wherein R.sub.1 represents hydrogen, halogen, lower alkyl having up to 5 carbon atoms, lower alkenyl having up to 5 carbon atoms, lower alkynyl having up to 5 carbon atoms, C.sub.1 -C.sub.4 alkoxy C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkylthio C.sub.1 -C.sub.4 alkyl, aryl, aryl C.sub.1 -C.sub.4 alkyl, furyl, substituted furyl, thienyl, substituted thienyl, furfuryl, substituted furfuryl, thenyl, substituted thenyl, cyclo C.sub.3 -C.sub.6 alkyl, substituted cyclo C.sub.3 -C.sub.6 alkyl, cyclo C.sub.3 -C.sub.6 alkenyl or substituted cyclo C.sub.3 -C.sub.6 alkenyl; R.sub.2 and R.sub.3 individually represent hydrogen, halogen, lower alkyl having up to 5 carbon atoms, lower alkenyl having up to 5 carbon atoms, lower alkynyl having up to 5 carbon atoms, aryl, aryl C.sub.1 -C.sub.4 alkyl or may form a carbon-carbon bond; or R.sub.1 and R.sub.Type: GrantFiled: October 26, 1976Date of Patent: April 21, 1981Assignee: Sumitomo Chemical Company, LimitedInventors: Shigeyoshi Kitamura, Norbushige Itaya, Yoshitoshi Okuno, Nobuo Ohno, Takashi Matsuo, Masachika Hirano, Toshio Mizutani, Hisami Takeda
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Patent number: 4118505Abstract: Novel alkynyl esters of cyclopropanecarboxylic acid represented by the formula, ##STR1## wherein R.sub.1 represents hydrogen, lower alkyl having 1-4 carbon atoms, lower alkenyl having 2-4 carbon atoms, lower alkynyl having 2-4 carbon atoms, C.sub.1 -C.sub.2 alkoxy-C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.2 alkylthio-C.sub.1 -C.sub.4 alkyl, furyl, thienyl, furfuryl, thenyl, cyclo-C.sub.3 -C.sub.6 alkyl, oxygen atom-containing cyclo-C.sub.3 -C.sub.6 alkyl, cyclo-C.sub.5 -C.sub.6 alkenyl, oxygen atom-containing cyclo-C.sub.4 -C.sub.6 alkenyl, halo-C.sub.2 -C.sub.4 alkenyl, phenyloxymethyl, phenylthiomethyl, cyclo-C.sub.5 -C.sub.6 alkenylmethyl, oxygen atom-containing cyclo-C.sub.4 -C.sub.6 alkenylmethyl, cyclo-C.sub.5 -C.sub.6 alkylmethyl, oxygen atom-containing cyclo-C.sub.4 -C.sub.6 alkylmethyl or ##STR2## IN WHICH X is halogen, nitro, cyano, methylenedioxy, C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.2 alkoxy, dimethylamino, m is 0, 1, 2 or 3, n is 0, 1, 2 or 3 and each X may be different when n is 2 or 3; R.sub.Type: GrantFiled: December 2, 1975Date of Patent: October 3, 1978Assignee: Sumitomo Chemical Company, LimitedInventors: Shigeyoshi Kitamura, Nobushige Itaya, Yoshitoshi Okuno, Nobuo Ohno, Takashi Matsuo, Masachika Hirano, Toshio Mizutani, Hisami Takeda
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Patent number: 4091111Abstract: A novel substituted-arylacetic acid ester of the formula, ##STR1## wherein R.sub.1 and R.sub.2 are each hydrogen or a halogen atom, a C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, C.sub.1 -C.sub.4 alkoxy, cyano, nitro, methylthio, C.sub.1 -C.sub.4 alkanoyl, C.sub.1 -C.sub.4 alkanoyloxy, or C.sub.1 -C.sub.4 alkoxycarbonyl group, or R.sub.1 and R.sub.2, taken together, may form methylenedioxy, a C.sub.3 -C.sub.5 alkylene or butadienylene (--CH.dbd.CH--CH.dbd.CH--) ring; R.sub.3 is a C.sub.2 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, propargyl, C.sub.3 -C.sub.6 cycloalkyl or cyclopropylmethyl group; R.sub.4 is hydrogen or a halogen atom, methyl or ethyl group; R.sub.5 is allyl, propargyl, 3-butenyl, 3-butynyl, phenyl or benzyl group; and A is oxygen or sulfur atom or --CH.dbd.CH-- group, which possesses various useful insecticidal and acaricidal activities and can be prepared by reacting a substituted-arylacetic acid of the formula; ##STR2## wherein R.sub.1, R.sub.2, R.sub.Type: GrantFiled: October 1, 1976Date of Patent: May 23, 1978Assignee: Sumitomo Chemical Company LimitedInventors: Nobuo Ohno, Isao Ohno, Toshio Nishioka, Hisami Takeda, Kiyoshi Kasamatsu
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Patent number: 4003945Abstract: Novel alkynylcyclopropanecarboxylic acid esters represented by the formula, ##STR1## wherein R.sub.1 represents hydrogen, halogen, lower alkyl having up to 5 carbon atoms, lower alkenyl having up to 5 carbon atoms, lower alkynyl having up to 5 carbon atoms, C.sub.1 -C.sub.4 alkoxy C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkylthio C.sub.1 -C.sub.4 alkyl, aryl, aryl C.sub.1 -C.sub.4 alkyl, furyl, substituted furyl, thienyl, substituted thienyl, furfuryl, substituted furfuryl, thenyl, substituted thenyl, cyclo C.sub.3 -C.sub.6 alkyl, substituted cyclo C.sub.3 -C.sub.6 alkyl, cyclo C.sub.3 -C.sub.6 alkenyl or substituted cyclo C.sub.3 -C.sub.6 alkenyl; R.sub.2 and R.sub.3 individually represent hydrogen, halogen, lower alkyl having up to 5 carbon atoms, lower alkenyl having up to 5 carbon atoms, lower alkynyl having up to 5 carbon atoms, aryl, aryl C.sub.1 -C.sub.4 alkyl or may form a carbon-carbon bond; or R.sub.1 and R.sub.Type: GrantFiled: April 15, 1974Date of Patent: January 18, 1977Assignee: Sumitomo Chemical Company, LimitedInventors: Shigeyoshi Kitamura, Nobushige Itaya, Yoshitoshi Okuno, Nobuo Ohno, Takashi Matsuo, Masachika Hirano, Toshio Mizutani, Hisami Takeda
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Patent number: 3981903Abstract: A new pyrethroidal pesticide containing as an active ingredient a pesticidally effective amount of novel cyclopropanecarboxylic acid esters represented by the formula, ##EQU1## wherein R is a hydrogen atom, a halogen atom, a methyl or a methoxy group, and R.sub.1 and R.sub.2 are hydrogen atom, methyl group or a halogen atom, which have a low toxicity to mammals, excellent pesticidal effect on injurious pests in cereal storage, agriculture and forestry and a wide range of uses for prevention of epidemics.Type: GrantFiled: July 25, 1974Date of Patent: September 21, 1976Assignee: Sumitomo Chemical Company, LimitedInventors: Masachika Hirano, Isao Ohno, Yoshitoshi Okuno, Osamu Magara, Nobushige Itaya, Toshio Nishioka, Toshio Mizutani, Nobuo Ohno, Takashi Matsuo, Hisami Takeda
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Patent number: 3973036Abstract: A novel cyclopropanecarboxylic acid ester of the formula, ##SPC1##Wherein R.sub.1 is a hydrogen atom, a cyano or ethynyl group, and X is a chlorine, bromine or fluorine atom, which possesses various useful insecticidal and acaricidal activities and can be prepared by reacting a compound of the formula, ##SPC2##Wherein R.sub.1 is as defined above and R.sub.2 is hydroxyl, a halogen atom or an arylsulfoxy group, with a cyclopropanecarboxylic acid of the formula, ##EQU1## wherein X is as defined above, or its reactive derivative.Type: GrantFiled: October 6, 1975Date of Patent: August 3, 1976Assignee: Sumitomo Chemical Company, LimitedInventors: Masachika Hirano, Takashi Matsuo, Hisami Takeda, Toshio Nishioka
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Patent number: 3953546Abstract: Thio(dithio)-phosphorate of the formula, ##SPC1##Wherein A represents an alkyl having up to 6 carbon atoms; B represents lower alkyl having up to 4 carbon atoms; Y represents halogen, methoxy or ethoxy; X represents oxygen or sulfur; R.sub.1 represents alkyl having up to 6 carbon atoms, phenyl, phenyl substituted by halogen or phenyl substituted by lower alkyl having up to 4 carbon atoms; R.sub.2 represents hydrogen or alkyl having up to 6 carbon atoms; R.sub.3 represents hydrogen or alkyl having up to 6 carbon atoms; and n represents 0, 1 or 2, which is useful as a pesticide.Type: GrantFiled: July 11, 1974Date of Patent: April 27, 1976Assignee: Sumitomo Chemical Company, LimitedInventors: Masachika Hirano, Kunio Mukai, Hisami Takeda
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Patent number: 3950374Abstract: Compounds of the formula ##EQU1## wherein R is phenyl, .alpha.-naphthyl, substituted phenyl or a group of the formula ##EQU2## R.sub.1 is lower alkyl, R.sub.2 is alkyl, phenyl, aralkyl or substituted phenyl, and R.sub.3 and R.sub.4 are lower alkyl, which compounds are useful as insecticidal, nematocidal and acarididal agents.Type: GrantFiled: January 23, 1973Date of Patent: April 13, 1976Assignee: Sumitomo Chemical Company, LimitedInventors: Minoru Ueda, Shigehiro Ooba, Masachika Hirano, Hisami Takeda
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Patent number: 3949023Abstract: Oximino-phosphorothiolate derivatives represented by the formula, ##EQU1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as hereinafter defined, which are useful as a controlling agent for agricultural pests containing the oximino-phosphorothiolate derivatives as active ingredients, as well as processes for preparing the compounds and the composition are disclosed.Type: GrantFiled: December 6, 1973Date of Patent: April 6, 1976Assignee: Sumitomo Chemical Co., Ltd.Inventors: Mitsuru Sasaki, Isao Ohno, Hisami Takeda, Takeo Satomi, Kunio Mukai
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Patent number: 3932459Abstract: A new cyclopropanecarboxylic acid ester represented by the formula, ##SPC1##Wherein R.sub.1 is alkyl having up to four carbon atoms, alkenyl having up to five carbon atoms, cycloalkenyl having up to six carbon atoms, alkenyl having up to five carbon atoms, benzyl, phenoxy or halogen; R.sub.2 and R.sub.3 are hydrogen, halogen or methyl; and any adjacent two of R.sub.1, R.sub.2 and R.sub.3 may combine to form polymethylene, which is useful as insecticides and acaricides having a strong insecticidal activity but a low toxicity to mammals, in agriculture, horticulture as well as public health.Type: GrantFiled: July 25, 1974Date of Patent: January 13, 1976Assignee: Sumitomo Chemical Company, LimitedInventors: Yoshitoshi Okuno, Masachika Hirano, Isao Ohno, Hisami Takeda, Osamu Magara, Nobushige Itaya, Toshio Nishioka, Toshio Mizutani, Nobuo Ohno, Takashi Matsuo