Patents by Inventor Yositosi Okuno
Yositosi Okuno 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: 4327109Abstract: A compound of the formula, ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are respectively hydrogen atom or methyl, R.sub.5 is a member of ##STR2## wherein R.sub.6 is hydrogen atom or methyl, R.sub.7 is alkenyl, alkadienyl, alkynyl or benzyl, R.sub.8 is hydrogen atom, ethynyl or cyano, R.sub.9 is hydrogen atom, a halogen atom or alkyl, R.sub.10 is a halogen atom, alkyl, alkenyl, alkynyl, benzyl, thenyl, furylmethyl, phenoxy, substituted phenoxy of phenylthio, or R.sub.9 and R.sub.10 are bonded at the ends to form polymethylene chain containing or not containing oxygen or sulfur atom, Y is oxygen atom, sulfur atom or --CH.dbd.CH--, n is 1 or 2, Z is phthalimido, thiophthalimido, di- or tetra-hydrophthalimido or dialkylmaleimido, R.sub.11 is phenyl, thienyl or furyl and X is a halogen atom, which is useful as an active ingredient of insecticides.Type: GrantFiled: April 22, 1980Date of Patent: April 27, 1982Assignee: Sumitomo Chemical Company LimitedInventors: Toshio Mizutani, Nobushige Itaya, Nobuo Ohno, Takashi Matsuo, Shigeyoshi Kitamura, Yositosi Okuno
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Patent number: 4229469Abstract: A compound of the formula, ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are respectively hydrogen atom or methyl, R.sub.5 is a member of ##STR2## wherein R.sub.6 is hydrogen atom or methyl, R.sub.7 is alkenyl, alkadienyl, alkynyl or benzyl, R.sub.8 is hydrogen atom, ethynyl or cyano, R.sub.9 is hydrogen atom, a halogen atom or alkyl, R.sub.10 is a halogen atom, alkyl, alkenyl, alkynyl, benzyl, thenyl, furylmethyl, phenoxy, substituted phenoxy or phenylthio, or R.sub.9 and R.sub.10 are bonded at the ends to form polymethylene chain containing or not containing oxygen or sulfur atom, Y is oxygen atom, sulfur atom or --CH.dbd.CH--, n is 1 or 2, Z is phthalimido, thiophthalimido, di- or tetra-hydrophthalimido or dialkylmaleimido, R.sub.11 is phenyl, thienyl or furyl and X is a halogen atom, which is useful as an active ingredient of insecticides.Type: GrantFiled: December 22, 1975Date of Patent: October 21, 1980Assignee: Sumitomo Chemical Company LimitedInventors: Toshio Mizutani, Nobushige Itaya, Nobuo Ohno, Takashi Matsuo, Shigeyoshi Kitamura, Yositosi Okuno
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Patent number: 4113864Abstract: Phosphorothiolates represented by the formula, ##STR1## wherein R is an alkyl; A is an alkyl, haloalkyl, alkenyl, alkinyl, alkylthioalkyl, phenylthioalkyl, phthalimidoalkyl or phenylalkyl; X is hydrogen, a halogen or an alkyl; and n is an integer of 1 to 5, are obtained by (1) reacting sodium or potassium hydrosulfide with a compound represented by the formula, ##STR2## WHEREIN R, X and n have the same significances as mentioned above, to prepare a thiophosphate represented by the formula, ##STR3## wherein R, X and n have the same significances as mentioned above; and M is an alkali metal, and then (2) reacting said thiophosphate with a halide represented by the formula,Y -- Awherein A has the same significance as mentioned above; and Y is a halogen.The phosphorothiolates have insecticidal and fungicidal activities.Type: GrantFiled: February 15, 1977Date of Patent: September 12, 1978Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroshi Tsuchiya, Kunio Mukai, Akio Kimura, Hiroshi Taya, Keimei Fujimoto, Toshiaki Ozaki, Sigeo Yamamoto, Taizo Ogawa, Tadashi Ooishi, Yositosi Okuno
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Patent number: 4028438Abstract: Phosphorothiolates represented by the formula, ##STR1## wherein R is an alkyl; A is an alkyl, haloalkyl, alkenyl, alkinyl, alkylthioalkyl, phenylthioalkyl, phthalimidoalkyl or phenylalkyl; X is hydrogen, a halogen or an alkyl; and n is an integer of 1 to 5, are obtained by (1) reacting sodium or potassium hydrosulfide with a compound represented by the formula, ##STR2## WHEREIN R, X, and n have the same significances as mentioned above, to prepare a thiophosphate represented by the formula, ##STR3## wherein R, X and n have the same significances as mentioned above; and M is an alkali metal, and then (2) reacting said thiophosphate with a halide represented by the formula,Y--Awherein A has the same significance as mentioned above; and Y is a halogen.The phosphorothiolates have insecticidal and fungicidal activities.Type: GrantFiled: November 14, 1973Date of Patent: June 7, 1977Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroshi Tsuchiya, Kunio Mukai, Akio Kimura, Hiroshi Taya, Keimei Fujimoto, Toshiaki Ozaki, Sigeo Yamamoto, Taizo Ogawa, Tadashi Ooishi, Yositosi Okuno
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Patent number: 3998868Abstract: A compound of the formula, ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are respectively hydrogen atom or methyl, R.sub.5 is a member of ##STR2## wherein R.sub.6 is hydrogen atom or methyl, R.sub.7 is alkenyl, alkadienyl, alkynyl or benzyl, R.sub.8 is hydrogen atom, ethynyl or cyano, R.sub.9 is hydrogen atom, a halogen atom or alkyl, R.sub.10 is a halogen atom, alkyl, alkenyl, alkynyl, benzyl, thenyl, furylmethyl, phenoxy, substituted phenoxy or phenylthio, or R.sub.9 and R.sub.10 are bonded at the ends to form polymethylene chain containing or not containing oxygen or sulfur atom, Y is oxygen atom, sulfur atom or --CH=CH--, n is 1 or 2, Z is phthalimido, thiophthalimido, di- or tetra-hydrophthalimido or dialkylmaleimido, R.sub.11 is phenyl, thienyl or furyl and X is a halogen atom, which is useful as an active ingredient of insecticides.Type: GrantFiled: August 14, 1975Date of Patent: December 21, 1976Assignee: Sumitomo Chemical Company, LimitedInventors: Toshio Mizutani, Nobushige Itaya, Nobuo Ohno, Takashi Matsuo, Shigeyoshi Kitamura, Yositosi Okuno
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Patent number: 3970703Abstract: A compound of the formula, ##SPC1##Wherein R.sub.1 is a C.sub.1.sub.-6 alkyl, a C.sub.2.sub.-6 alkenyl, a C.sub.3.sub.-6 alkynyl, a C.sub.3.sub.-6 cycloalkyl, benzyl, thienyl or a group of ##SPC2##(R.sub.4 is hydrogen, halogen, a C.sub.1.sub.-4 alkyl or methylenedioxy, and n is an integer of 1 to 5), R.sub.2 is a C.sub.1.sub.-6 alkyl, a C.sub.3.sub.-6 alkenyl or a C.sub.3.sub.-6 alkynyl, R.sub.3 is a C.sub.1.sub.-6 alkyl, a C.sub.3.sub.-6 alkenyl or a C.sub.3.sub.-6 alkynyl, (provided that R.sub.2 is a C.sub.3.sub.-6 alkynyl when R.sub.3 is a C.sub.1.sub.-6 alkyl), and A is a group of --COOR.sub.3 or --CH.sub.2 OR.sub.3, provided that R.sub.1 is a C.sub.1.sub.-6 alkyl, a C.sub.2.sub.-6 alkenyl, a C.sub.3.sub.-6 alkynyl, a C.sub.3.sub.-6 cycloalkyl or benzyl when A is a group of --CH.sub.2 OR.sub.3 (R.sub.3 is as defined above), and R.sub.3 is a C.sub.4.sub.-6 alkenyl or a C.sub.4.sub.-6 alkynyl when R.sub.1 is a group of ##SPC3##(R.sub.4 and n are as defined above) and A is a group of --COOR.sub.Type: GrantFiled: December 17, 1974Date of Patent: July 20, 1976Assignee: Sumitomo Chemical Company, LimitedInventors: Shigeyoshi Kitamura, Yositosi Okuno, Masachika Hirano
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Patent number: 3954814Abstract: A compound of the formula, ##EQU1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are respectively hydrogen atom or methyl, R.sub.5 is a member of ##SPC1##--CH.sub.2 Z or ##EQU2## wherein R.sub.6 is hydrogen atom or methyl, R.sub.7 is alkenyl, alkadienyl, alkynyl or benzyl, R.sub.8 is hydrogen atom, ethynyl or cyano, R.sub.9 is hydrogen atom, a halogen atom or alkyl, R.sub.10 is a halogen atom, alkyl, alkenyl, alkynyl, benzyl, thenyl, furylmethyl, phenoxy, substituted phenoxy or phenylthio, or R.sub.9 and R.sub.10 are bonded at the ends to form polymethylene chain containing or not containing oxygen or sulfur atom, Y is oxygen atom, sulfur atom or --CH=CH--, n is 1 or 2, Z is phthalimido, thiophthalimido, di- or tetra-hydrophthalimido or dialkylmaleimido, R.sub.11 is phenyl, thienyl or furyl and X is a halogen atom, which is useful as an active ingredient of insecticides.Type: GrantFiled: June 23, 1972Date of Patent: May 4, 1976Assignee: Sumitomo Chemical Company, LimitedInventors: Toshio Mizutani, Nobushige Itaya, Nobuo Ohno, Takashi Matsuo, Shigeyoshi Kitamura, Yositosi Okuno