Patents by Inventor Hiroyuki Enari

Hiroyuki Enari 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).

  • Oxirane derivatives useful for making fungicidal azole compounds
    Patent number: 5239089
    Abstract: Disclosed herein are an azole derivative represented by the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 respectively represent a (C.sub.1 -C.sub.5) alkyl group or a hydrogen atom; X represents a halogen atom, a (C.sub.1 -C.sub.5) alkyl group or a phenyl group; n represents an integer of from 0 to 2 and A represents a nitrogen atom or a CH, provided that R.sup.1 is not a hydrogen atom when R.sup.2 is a hydrogen atom, a process for producing the azole derivative represented by the formula(I),and an agricultural and horticultural composition containing the azole derivative represented by the formula(I).
    Type: Grant
    Filed: July 8, 1992
    Date of Patent: August 24, 1993
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Satoru Kumazawa, Susumu Shimizu, Hiroyuki Enari, Atsushi Ito, Susumu Ikeda, Nobuo Sato, Toshihide Saishoji
  • Cyclopentanone derivatives
    Patent number: 5159118
    Abstract: Disclosed herein are an azole derivative represented by the formula(I): ##STR1## wherein R.sup.1 and R.sup.2 respectively represent a (C.sub.1 -C.sub.5) alkyl group or a hydrogen atom; X represents a halogen atom, a (C.sub.1 -C.sub.5) alkyl group or a phenyl group; n represents an integer of from 0 to 2 and A represents a nitrogen atom or a CH, provided that R.sup.1 is not a hydrogen atom when R.sup.2 is a hydrogen atom, a process for producing the azole derivative represented by the formula(I), and an agricultural and horticultural composition containing the azole derivative represented by the formula(I).
    Type: Grant
    Filed: April 25, 1991
    Date of Patent: October 27, 1992
    Assignee: Kureha Kagaku Kabushiki Kaisha
    Inventors: Satoru Kumazawa, Susumu Shimizu, Hiroyuki Enari, Atsushi Ito, Susumu Ikeda, Nobuo Sato, Toshihide Saishoji
  • Azole derivative and agrucultural/horticultural fungicide containing said derivative as active ingredient active ingredient
    Patent number: 5099029
    Abstract: An azole derivative represented by the formula (I): ##STR1## wherein X and Y independently represent a halogen atom, a phenyl group or a hydrogen atom, providing that at least one of X and Y is not a hydrogen atom, n represents an integer of 0, 1 or 2, and A represents a nitrogen atom or CH, and an agricultural/horticultural fungicide comprising the azole derivative as an active ingredient are disclosed.The azole derivative exhibits an excellent effect in preventing and curing a wide spectrum of plant diseases and possesses low toxicity to mammals.
    Type: Grant
    Filed: January 30, 1991
    Date of Patent: March 24, 1992
    Inventors: Hiroyuki Enari, Satoru Kumazawa, Susumu Shimizu, Atsushi Ito, Nobuo Sato, Toshihide Saishoji
  • Azole derivatives and agricultural and horticultural chemical composition containing the same
    Patent number: 5028254
    Abstract: Disclosed herein are an azole derivative represented by the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 respectively represent a (C.sub.1 -C.sub.5) alkyl group or a hydrogen atom; X represents a halogen atom, a (C.sub.1 -C.sub.5) alkyl group or a phenyl group; n represents an integer of from 0 to 2 and A represents a nitrogen atom or a CH, provided that R.sup.1 is not a hydrogen atom when R.sup.2 is a hydrogen atom, a process for producing the azole derivative represented by the formula (I), and an agricultural and horticultural composition containing the azole derivative represented by the formula (I).
    Type: Grant
    Filed: April 24, 1990
    Date of Patent: July 2, 1991
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Satoru Kumazawa, Susumu Shimizu, Hiroyuki Enari, Atsushi Ito, Susumu Ikeda, Nobuo Sato, Toshihide Saishoji
  • Novel azole derivative and agricultural/horticultural fungicide containing said derivative as active ingredient
    Patent number: 5010206
    Abstract: An azole derivative represented by the formula ##STR1## wherein X and Y independently represent a halogen atom, a phenyl group or a hydrogen atom, providing that at least one of X and Y is not a hydrogen atom, n represents an integer of 0, 1 or 2, and A represents a nitrogen atom or CH, and an agricultural/horticultural fungicide comprising the azole derivative as an active ingredient are disclosed.The azole derivative exhibits an excellent effect in preventing and curing a wide spectrum of plant diseases and possesses low toxicity to mammals.
    Type: Grant
    Filed: July 31, 1990
    Date of Patent: April 23, 1991
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaishi
    Inventors: Hiroyuki Enari, Satoru Kumazawa, Susumu Shimizu, Atsushi Ito, Nobuo Sato, Toshihide Saishoji
  • Azolylcyclopentanol derivatives and agricultural and horticultural composition containing the same as active ingredients
    Patent number: 4992093
    Abstract: Disclosed herein are a derivative of azole having a usefulness in controlling plant fungal diseases, in regulating plant growth and in killing weeds, a process for producing the derivatives of azole and a composition having a fungicidal activity, a plant growth regulating activity and a herbicidal activity and containing the derivative of azole as an active ingredient for use in agriculture and horticulture.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: February 12, 1991
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Satoru Kumazawa, Atsushi Ito, Nobuo Sato, Toshihide Saishoji, Masahiro Hamada, Shiro Yamazaki, Hiroyuki Enari
  • Novel azole derivative and agricultural/horticultural fungicide containing said derivative as active ingredient
    Patent number: 4962278
    Abstract: An azole derivative represented by the formula (I): ##STR1## wherein X and Y independently represent a halogen atom, a phenyl group or a hydrogen atom, providng that at least one of X and Y is not a hydrogen atom, n represents an integer of 0, 1 or 2, and a represents a nitrogen atom or CH, and an agricultural/horticultural fungicide comprising the azole derivative as an active ingredient are disclosed.The azole derivative exhibits an excellent effect in preventing and curing a wide spectrum of plant diseases and possesses low toxicity to mammals.
    Type: Grant
    Filed: November 30, 1989
    Date of Patent: October 9, 1990
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hiroyuki Enari, Satoru Kumazawa, Susumu Shimizu, Atsushi Ito, Nobuo Sato, Toshihide Saishojo
  • Azole derivatives and agricultural and horticultural chemical composition containing the same
    Patent number: 4938792
    Abstract: Disclosed herein are an azole derivative represented by the formula(I): ##STR1## wherein R.sup.1 and R.sup.2 respectively represent a (C.sub.1 -C.sub.5) alkyl group or a hydrogen atom; X represents a halogen atom, a (C.sub.1 -C.sub.5) alkyl group or a phenyl group; n represents an integer of from 0 to 2 and A represents a nitrogen atom or a CH, provided that R.sup.1 is not a hydrogen atom when R.sup.2 is a hydrogen atom, a process for producing the azole derivative represented by the formula(I), and an agricultural and horticultural composition containing the azole derivative represented by the formula(I).
    Type: Grant
    Filed: October 30, 1987
    Date of Patent: July 3, 1990
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Satoru Kumazawa, Susumu Shimizu, Hiroyuki Enari, Atsushi Ito, Susumu Ikeda, Nobuo Sato, Toshihide Saishoji
  • Novel azole derivative and agricultural/horticultural fungicide containing said derivative as active ingredient
    Patent number: 4902702
    Abstract: An azole derivative represented by the formula (I): ##STR1## wherein X and Y independently represent a halogen atom, a phenyl group or a hydrogen atom, providing that at least one of X and Y is not a hydrogen atom, n represents an integer of 0, 1 or 2, and A represents a nitrogen atom or CH, and an agricultural/horticultural fungicide comprising the azole derivative as an active ingredient are disclosed.The azole derivative exhibits an excellent effect in preventing and curing a wide spectrum of plant diseases and possesses low toxicity to mammals.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: February 20, 1990
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hiroyuki Enari, Satoru Kumazawa, Susumu Shimizu, Atsushi Ito, Nobuo Sato, Toshihide Saishoji
  • Novel derivative of azole, and agricultural and horticultural composition containing the same as an active incredient
    Patent number: 4863505
    Abstract: Disclosed herein are a derivative of azole having a usefulness in controlling plant fungal diseases, in regulating plant growth and in killing weeds, a process for producing the derivative of azole and a composition having a fungicidal activity, a plant growth regulating activity and a herbicidal activity and containing the derivative of azole as an active ingredient for use in agriculture and horticulture.
    Type: Grant
    Filed: September 4, 1986
    Date of Patent: September 5, 1989
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Satoru Kumazawa, Atsushi Ito, Nobuo Sato, Toshihide Saishoji, Masahiro Hamada, Shiro Yamazaki, Hiroyuki Enari
  • Process for producing 2,6-dihydroxynaphthalene and 2,6-diacetoxynaphthalene
    Patent number: 4814521
    Abstract: Disclosed herein is a process for producing 2,6-dihydroxynaphthalene which comprises oxidizing 2,6-di(2-hydroxy-2-propyl)naphthalene in acetonitrile, 1,4-dioxane or a mixture thereof with hydrogen peroxide in the presence of an inorganic acid or a solid acid at a temperture in the range of room temperature to the boiling point of the solution of the 2,6-di(2-hydroxy-2-propyl)naphthalene in acetonitrile or 1,4-dioxane, the acetonitrile, 1,4-dioxane or a mixture thereof being used in an amount of 3 to 30 ml to one gram of the 2,6-di(2-hydroxy-2-propyl)naphthalene.
    Type: Grant
    Filed: August 26, 1987
    Date of Patent: March 21, 1989
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Takayuki Tanonaka, Takashi Yamauchi, Hiroyuki Enari, Yutaka Konai
  • Derivatives of phenylacetic ester, a process for producing the same and insecticidal compositions containing the same as an active ingredient
    Patent number: 4668815
    Abstract: Disclosed herein are derivatives of phenylacetic ester represented by the formula (I): ##STR1## wherein R.sup.1 represents a halogen atom or a lower alkoxy group; R.sup.2 represents a lower alkyl group; R.sup.3 represents a hydrogen atom or a methyl group; R.sup.4 represents a hydrogen atom, a lower alkyl group, ##STR2## and R.sup.5 represents a hydrogen atom or a halogen atom, a process for producing the derivatives and an insecticidal composition containing the derivatives of phenylacetic ester as an active ingredient.
    Type: Grant
    Filed: July 2, 1985
    Date of Patent: May 26, 1987
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hiroyuki Enari, Yutaka Konai, Uichi Akiba, Masayo Ito