Patents by Inventor Tetsuo Takematsu

Tetsuo Takematsu 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: 6337417
    Abstract: The invention provides N-phenyltetrahydrophthalamic acid derivatives represented by the general formula [I], methods of producing the same, herbicides containing the same as the effective components, imidoylchloride derivatives as the intermediate products and methods of producing the same, wherein X and Y each individually represent hydrogen atoms or halogen atoms, R1 represents a lower alkoxycarbonylalkylthio group, R2 represents a lower alkyl group, a halogenated lower alkyl group or a substituted or unsubstituted phenyl group, and R3 represents a lower alkoxy group, a lower alkenyloxy group, a lower alkynyloxy group, or a lower alkoxyalkoxy group. The herbicides of the present invention, which are very useful, can be widely applied to upland, paddy field, orchard, turf, forest, non-crop land, etc., and are not harmful to crops.
    Type: Grant
    Filed: June 15, 1998
    Date of Patent: January 8, 2002
    Assignee: Central Glass Co., Ltd.
    Inventors: Tetsuo Takematsu, Takeo Komata, Takashi Kume, Yumiko Kohda, Kiyoshi Suzuki, Matsue Kawamura, Yukio Ikeda, Kaoru Mori
  • Patent number: 5801122
    Abstract: The invention provides N-phenyltetrahydrophthalamic acid derivatives represented by the general formula ?I!, methods of producing the same, herbicides containing the same as the effective components, imidoylchloride derivatives as the intermediate products and methods of producing the same, ##STR1## wherein X and Y each individually represent hydrogen atoms or halogen atoms, R.sup.1 represents a lower alkoxycarbonylalkylthio group, R.sup.2 represents a lower alkyl group, a halogenated lower alkyl group or a substituted or unsubstituted phenyl group, and R.sup.3 represents a lower alkoxy group, a lower alkenyloxy group, a lower alkynyloxy group, or a lower alkoxyalkoxy group. The herbicides of the present invention, which are very useful, can be widely applied to upland, paddy field, orchard, turf, forest, non-crop land, etc., and are not harmful to crops.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: September 1, 1998
    Assignee: Central Glass Co., Ltd.
    Inventors: Tetsuo Takematsu, Takeo Komata, Takashi Kume, Yumiko Kohda, Kiyoshi Suzuki, Matsue Kawamura, Yukio Ikeda, Kaoru Mori
  • Patent number: 5510317
    Abstract: The invention provides N-acyl-N-phenylmaleamic acid derivatives represented by the general formula I!, a method of producing the same, and a herbicide containing the same as the effective components, ##STR1## wherein X and Y each individually represent hydrogen atoms or halogen atoms, R.sup.1 represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a lower alkoxyalkyl group or a lower alkoxycarbonylalkyl group, R.sup.2 represents a lower alkyl group, a halogenated lower alkyl group or a substituted or unsubstituted phenyl group, R.sup.3 represents a hydrogen atom or a lower alkyl group, and R.sup.4 represents a hydroxyl, a lower alkoxy group, a lower alkenyloxy group, a lower alkynyloxy group, a lower alkoxyalkoxy group, a benzyloxy group or a lower alkoxycarbonylalkoxy group. This herbicide which is very useful can be widely applied to upland, paddy field, orchard, turf, forest, non-crop land, etc., and is not harmful to crops.
    Type: Grant
    Filed: July 20, 1994
    Date of Patent: April 23, 1996
    Assignee: Central Glass Co. Ltd.
    Inventors: Tetsuo Takematsu, Takashi Kume, Takeo Komata, Kiyoshi Suzuki, Yukio Ikeda, Matsue Kawamura, Kaoru Mori
  • Patent number: 5481022
    Abstract: The invention provides N-aryloxyacyl-N-phenyltetrahydrophthalamic acid derivatives represented by the general formula [I], a method of producing the same, and a herbicide containing the same as the effective components, ##STR1## wherein X and Y each individually represent hydrogen atoms or halogen atoms, Ar represents a substituted or unsubstituted phenyl group or naphthyl group, R.sup.1 represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkenyloxy group, a lower alkynyloxy group, a lower alkoxyalkoxy group or a lower alkoxycarbonylalkoxy group, R.sup.2 represents a hydrogen atom or a lower alkyl group, R.sup.3 represents a hydroxyl, a lower alkoxy group, a lower alkenyloxy group, a lower alkynyloxy group, a lower alkoxyalkoxy group, a benzyloxy group or a lower alkoxycarbonylalkoxy group, and m is an integer ranging from 0 to 5. This herbicide which is very useful can be widely applied to upland, paddy field, orchard, turf, forest, non-crop land, etc.
    Type: Grant
    Filed: July 19, 1994
    Date of Patent: January 2, 1996
    Assignee: Central Glass Company, Ltd.
    Inventors: Tetsuo Takematsu, Takashi Kume, Shoji Yamaoka, Takeo Komata, Kiyoshi Suzuki, Yukio Ikeda, Matsue Kawamura, Yumiko Koda, Kaoru Mori
  • Patent number: 5403815
    Abstract: A triazine compound of the formula ##STR1## wherein Y.sup.1 is a hydrogen atom or a methyl group and Z is an oxygen atom or a sulfur atom, X.sup.1 is a halogen atom and R is a hydrogen atom, a methyl group or an ethyl group. The triazine compound is useful as a herbicide for combatting weeds.
    Type: Grant
    Filed: January 12, 1994
    Date of Patent: April 4, 1995
    Assignee: Idemitsu Kosan Company Limited
    Inventors: Masahiro Nishii, Izumi Kobayashi, Masatoshi Uemura, Tetsuo Takematsu
  • Patent number: 5344810
    Abstract: Herbicidal compositions comprising as active ingredients a triazine derivative represented by general formula [I]: ##STR1## and compound represented by general formula [II]: ##STR2## By synergistic effects of active ingredients, the herbicidal compositions show a high herbicidal effect at low dosage and have such a wide range of herbicidal spectrum that the compositions exhibit their high herbicidal effect not only against broad-leaved weeds but also against Gramineae weeds, etc. The compositions have flexibility of treatment to exhibit effectiveness as compared to known herbicides for field crops and crops are free from injury.
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: September 6, 1994
    Assignee: Idemitsu Kosan Company Limited
    Inventors: Toshihiro Hirata, Izumi Kobayashi, Nobuyuki Kikkawa, Tetsuo Takematsu
  • Patent number: 5292922
    Abstract: The invention provides N-acyl-N-phenyltetrahydrophthalamic acid derivatives represented by the general formula [I], methods of producing the same, and herbicides containing the same as the effective components, ##STR1## wherein X and Y each individually represent hydrogen atoms or halogen atoms, R.sup.1 represents a hydrogen atom, a halogen atom, a lower alkoxy group, a lower alkenyloxy group, a lower alkynyloxy group, a lower alkoxyalkoxy group or a lower alkoxycarbonylalkoxy group, R.sup.2 represents a lower alkyl group, a halogenated lower alkyl group, or a substituted or unsubstituted phenyl group, and R.sup.3 represents a lower alkoxy group, a lower alkenyloxy group, a lower alkynyloxy group, a lower alkoxyalkoxy group, a benzyloxy group or a lower alkoxycarbonylalkoxy group. The herbicides which are very useful can be widely applied to upland, paddy field, orchard, turf, forest, non-crop land, etc, and are not harmful to crops.
    Type: Grant
    Filed: April 22, 1992
    Date of Patent: March 8, 1994
    Assignee: Central Glass Company, Limited
    Inventors: Tetsuo Takematsu, Takashi Kume, Takeo Komata, Kiyoshi Suzuki, Matsue Minezaki, Yumiko Shirakawa, Kaoru Mori
  • Patent number: 5290754
    Abstract: The present invention relates to a novel triazine derivative represented by the general formula ##STR1## in the formula, A denotes ##STR2## (in which Y.sup.1 denotes a hydrogen atom or a methyl group and Z denotes an oxygen atom or a sulfur atom), ##STR3## (in which Y.sup.2 and Y.sup.3, which can be of the same kind or different kinds, each denote a methyl group or a methoxy group) or ##STR4## (in which Y.sup.4 denotes a methyl group, trifluoromethyl group, methoxy group or fluorine atom and n denotes an integer of 0 ro 2), X.sup.1 denotes a halogen atom and R.sup.1 denotes hydrogen, a methyl group or an ethyl group as well as a herbicide containing the triazine derivative represented by the general formula (I) as an effective ingredient.
    Type: Grant
    Filed: October 5, 1990
    Date of Patent: March 1, 1994
    Assignee: Idemitsu Kosan Company Limited
    Inventors: Masahiro Nishii, Izumi Kobayashi, Masatoshi Uemura, Tetsuo Takematsu
  • Patent number: 5235092
    Abstract: A phenoxycetic acid derivative of the formula: ##STR1## wherein R is a hydroxyl group, an alkoxy group, a group of the formula OM wherein M is an alkali metal ion, an alkaline earth metal ion, a transition metal ion, an ammonium ion or an organic ammonium ion, or a group of the formula NHR.sub.1 wherein R.sub.1 is a hydrogen atom, a hydroxyl group, an amino group, an allyloxy group or an ethoxycarboxylmethoxy group.
    Type: Grant
    Filed: November 29, 1991
    Date of Patent: August 10, 1993
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Takumi Yoshimura, Tetsuo Takematsu, Makoto Konnai
  • Patent number: 5234893
    Abstract: Herbicidal compositions comprising as active ingredient a triazine derivative represented by general formula [I]: ##STR1## and suIfonylurea type herbicides represented by general formula [II]: ##STR2## By synergistic effects of active ingredients, the herbicidal compositions show a high herbicidal effect at low dosage and have such a wide range of herbicidal spectrum that the compositions exhibit their high herbicidal effect not only against broad-leaved weeds but also against Gramineae weeds, etc. The compositions have flexibility of treatment to exhibit effectiveness as compared to known herbicides for field crops and crops are free from injury.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: August 10, 1993
    Assignee: Idemitsu Kosan Company Limited
    Inventors: Toshihiro Hirata, Izumi Kobayashi, Nobuyuki Kikkawa, Tetsuo Takematsu
  • Patent number: 5223016
    Abstract: Combinations of (A) N,N-di-substituted urea of formula (I) and a compound selected from (B) 3,6-dichloro-2-methoxybenzoic acid, [(3,5,6-trichloro-2-pyridyl)-oxy]acetic acid triethylamine salt, 2-(4-chloro-2-methylphenoxy)propionic acid, 4-amino-3,5-dichloro-6-fluoro-2-pyridineoxy acetic acid, 3-isopropyl-1H-2,1,3-benzothiazin-4(3H)-one-2,2-dioxide and 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)1,2,4-triazin-5(4H)-one. These combinations exhibit herbicidal activity against a wide range of weeds even in a comparatively small dosage, and are safe and show no phytotoxicity to useful crops.
    Type: Grant
    Filed: June 6, 1991
    Date of Patent: June 29, 1993
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Tetsuo Takematsu, Hitoshi Kuramochi, Takashi Sato
  • Patent number: 5169425
    Abstract: Herbicidal compositions comprising as active ingredients a triazine derivative represented by general formula [I]: ##STR1## and phenoxy type herbicides represented by general formula [II]: ##STR2## and herbicidal compositions comprising as active ingredients a triazine derivative represented by general formula [I]: ##STR3## phenoxy type herbicides represented by general formula [II]: ##STR4## and urea type herbicides represented by general formula [III]: ##STR5## By synergistic effects of the active ingredients, the herbicidal compositions show a high herbicidal effect at low dosage and have such a wide range of herbicidal spectrum that the compositions exhibit their high herbicidal effect not only against broad-leaved weeds but also against Gramineae weeds, etc. The compositions have flexibility of treatment to exhibit effectiveness as compared to known herbicides for field crops and are free from injury.
    Type: Grant
    Filed: June 17, 1991
    Date of Patent: December 8, 1992
    Assignee: Idemitsu Kosan Company Limited
    Inventors: Tetsuo Takematsu, Toshihiro Hirata, Izumi Kobayashi, Nobuyuki Kikkawa
  • Patent number: 4971620
    Abstract: Disclosed herein is a sulfonamide compound represented by the formula (I): ##STR1## wherein A represents a phenyl group which may be substituted, B represents a phenyl group which may be substituted, R represents a lower alkyl group, a lower alkoxy group or a lower haloalkyl group, W represents a hydroxyl group or a halogen atom, and z represents a halogen atom, a lower alkysulfonyloxy group which may be substituted, or a phenylsulfonyloxy group which may be substituted, and a herbicidal composition containing the sulfonamide compound as an effective ingredient.
    Type: Grant
    Filed: January 27, 1989
    Date of Patent: November 20, 1990
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Tetsuo Jikihara, Manabu Katsurada, Toyohiko Shike, Osamu Ikeda, Hisao Watanabe, Tetsuo Takematsu, Koichi Yoneyama
  • Patent number: 4932998
    Abstract: The triazine derivatives of the present invention are roughly classified into the compounds of the general formulas [I] and [II] and further classified into 4 types depending on the kind of the Z in the general formulas and the position of substitution of the aminoalkyl group on the benzo(thia)furanyl group. Furthermore, these triazine derivatives are useful as a herbicide or, in particular, as a herbicide for paddy rice plants with greater effectiveness and less injury by chemicals than known ones. In addition, they have a wide herbicidal spectrum and exhibit remarkable effects against various kinds of weeds.
    Type: Grant
    Filed: March 23, 1989
    Date of Patent: June 12, 1990
    Assignee: Idemitsu Kosan Company Limited
    Inventors: Tetsuo Takematsu, Masahiro Nishii, Izumi Kobayashi
  • Patent number: 4929273
    Abstract: There are disclosed N-benzyl-2-(4-fluoro-3-trifluoromethylphenoxy)butanoic amide represented by the formula: ##STR1## and a herbidical composition containing the same as an active ingredient.
    Type: Grant
    Filed: September 22, 1989
    Date of Patent: May 29, 1990
    Assignee: Ube Industries, Ltd.
    Inventors: Tetsuo Takematsu, Yasutomo Yakeuchi, Mitsuaki Takenaka, Seiji Takamura, Akio Matsushita
  • Patent number: 4895587
    Abstract: A haloacetamide compound of the following formula (I) ##STR1## wherein R.sub.1 represents a substituted or unsubstituted C.sub.6 -C.sub.14 aryl group or a substituted or unsubstituted C.sub.3 -C.sub.8 heteroaryl group having one or two hetero atoms selected from the group consisting of O, S and N,R.sub.2 and R.sub.3, independently from each other, represent a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group or a C.sub.1 -C.sub.6 alkoxy group, or R.sub.2 and R.sub.3, taken together, represent a C.sub.2 -C.sub.16 alkylene group,R.sub.4 represents a substituted or unsubstituted C.sub.1 -C.sub.12 alkyl group, a substituted or unsubstituted C.sub.6 -C.sub.14 aryl group, a C.sub.2 -C.sub.12 alkenyl grup or a C.sub.2 -C.sub.12 alkynyl group, andY represents a halogen atom selected from the group consisting of Cl, Br and I;and its use as herbicide.
    Type: Grant
    Filed: June 18, 1986
    Date of Patent: January 23, 1990
    Assignee: Tokuyama Soda Kabushiki Kaisha
    Inventors: Shozo Kato, Tetsuo Takematsu, Hidenori Okamoto, Masaru Ogasawara
  • Patent number: 4844731
    Abstract: Novel triazine derivatives represented by the general formula (I): ##STR1## (wherein all the symbols are as defined in the appended claims), and herbicides containing the triazine derivatives of the general formula (I) as effective component. These triazine derivatives can exhibit their herbicidal activity against various types of weeds from annual weeds to perennial weeds while causing no injury against paddy rice plants. Thus the herbicides of the present invention have advantages in that the herbicidal effect is great, the chemical damage is low, and the weed-killing spectral width is broad.
    Type: Grant
    Filed: December 14, 1987
    Date of Patent: July 4, 1989
    Assignee: Idemitsu Company Co., Ltd.
    Inventors: Tetsuo Takematsu, Masahiro Nishii, Izumi Kobayashi
  • Patent number: 4838924
    Abstract: This invention relates to novel compounds of formula [I], a process for their production, and their use as a herbicide. ##STR1## wherein A represents the bond ##STR2## in which X is a hydrogen atom, a chlorine atom, a nitro group or a trifluoromethyl group;B represents a hydrogen atom, a methyl group or a methoxy group; andAr represents one member selected from the group consisting of ##STR3## in which R.sup.1 to R.sup.38, are as defined hereinafter.
    Type: Grant
    Filed: April 1, 1987
    Date of Patent: June 13, 1989
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Tetsuo Takematsu, Daisuke Fukuoka, Katsuya Takahashi, Isao Hashimoto
  • Patent number: 4826859
    Abstract: Fungicidal composition comprising a fungicidally effective amount of the N-pyridylcarbamate derivative having the formula (I) as an active ingredient: ##STR1## wherein X is 2-naphthyl, 5-indanyl, 5,6,7,8-tetrahydro-2-naphthyl, 1,4-methano-1,2,3,4-tetrahydro-6-naphthyl, 1,4-ethano-1,2,3,4,-tetrahydro-6-naphthyl, 2-quinolyl, or a phenyl group having one or two of the same or different substituents selected from the group of halogen atom, lower alkyl, lower alkenyl, lower alkoxy, lower alkenyloxy, halogenated lower alkyl, lower alkylthio, lower alkyl-sulfonyl, lower alkylamino, nitro, and methylenedioxy; Y is an oxygen atom or a sulfur atom; Z is lower alkyl group; W is pyridyl group having one or two of the same substituents selected from the group of lower alkyl, lower alkoxy, lower alkenyloxy, and lower alkylamino, and biologically inert carriers has excellent fungicidal activity against a variety of molds, and can be used to protect plants from fungal infections.
    Type: Grant
    Filed: March 11, 1986
    Date of Patent: May 2, 1989
    Assignee: Tosoh Corporation
    Inventors: Tetsuo Takematsu, Yuji Nonaka, Akira Nakanishi, Hideo Morinaka
  • Patent number: 4824477
    Abstract: A trifluoromethanesulfonanilide compound having the formula: ##STR1## wherein Y is a (1-cyano-2-propyl)cyclopropyl group or a (1-cyano)cyclopentyl group.
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: April 25, 1989
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Tetsuo Takematsu, Makoto Konnai, Kuniaki Shimizu, Ikumi Urushibata, Ikuo Kajiwara