Patents by Inventor Shizuya Tanaka

Shizuya Tanaka 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).

  • Geometrical isomer of 1-substituted-1-triazolystyrenes
    Patent number: 4749716
    Abstract: The present invention relates to one of the two geometrical isomers (a compound defined as I-A isomer in the description below) of a triazole compound represented by the formula (I) or (II), ##STR1## wherein R.sub.1 is a hydrogen atom, a C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.4 alkenyl or 2-propynyl group, R.sub.2 is a C.sub.1 -C.sub.6 alkyl, cyclopropyl or 1-methylcyclopropyl group, R.sub.3, which may be the same or different, is a halogen atom, a C.sub.1 -C.sub.4 alkyl, halogen-substituted C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.4 alkoxy, phenoxy, phenyl, cyano or nitro group, n is an integer of 0 to 3, and the term, halogen, means chlorine, bromine and fluorine atoms, its salts, production thereof and a fungicide, herbicide and/or plant growth regulator for agriculture and horticulture containing said compound as an active ingredient.
    Type: Grant
    Filed: September 4, 1985
    Date of Patent: June 7, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yuji Funaki, Hirofumi Oshita, Shigeo Yamamoto, Shizuya Tanaka, Toshiro Kato
  • Geometrical isomer of 1-substituted-1-triazolylstyrenes, and their production and use as fungicide, herbicide and/or plant growth regulant
    Patent number: 4554007
    Abstract: The present invention relates to one of the two geometrical isomers (a compound defined as I-A isomer in the description below) of a triazole compound represented by the formula (I) or (II), ##STR1## wherein R.sub.1 is a hydrogen atom, a C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.4 alkenyl or 2-propynyl group, R.sub.2 is a C.sub.1 -C.sub.6 alkyl, cyclopropyl or 1-methylcyclopropyl group, R.sub.3, which may be the same or different, is a halogen atom, a C.sub.1 -C.sub.4 alkyl, halogen-substituted C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.4 alkoxy, phenoxy, phenyl, cyano or nitro group, n is an integer of 0 to 3, and the term, halogen, means chlorine, bromine and fluorine atoms, its salts, production thereof and a fungicide, herbicide and/or plant growth regulator for agriculture and horticulture containing said compound as an active ingredient.
    Type: Grant
    Filed: March 13, 1980
    Date of Patent: November 19, 1985
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yuji Funaki, Hirofumi Oshita, Shigeo Yamamoto, Shizuya Tanaka, Toshiro Kato
  • Production of triazolylvinyl ketones
    Patent number: 4379921
    Abstract: A process for producing a triazolylvinyl ketone compound of the formula: ##STR1## wherein X is a hydrogen or chlorine atom, comprising heating a compound of the formula: ##STR2## wherein X is as defined above. The triazolylvinyl ketone compound is useful as agricultural fungicides.
    Type: Grant
    Filed: August 13, 1981
    Date of Patent: April 12, 1983
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yuji Funaki, Shizuya Tanaka, Noritada Matsuo
  • 1-Phenyl-2-azolyl-4,4-dimethyl-1-penten-3-ols and the fungicidal use thereof
    Patent number: 4203995
    Abstract: 1-Phenyl-2-azolyl-4,4-dimethyl-1-penten-3-ols of the formula: ##STR1## wherein X, which may be same or different, is an alkyl (C.sub.1 -C.sub.4), cyano, alkoxy (C.sub.1 -C.sub.4), phenoxy, phenyl group, halogen atom, n is zero or an integer of 1 to 2, A.sub.Z is an imidazole group of the formula ##STR2## or a triazole group of the formula ##STR3## and salt thereof, which show high fungicidal activities without any material toxicity to mammals and plants and can be produced by reacting the corresponding 3-ketone compound with a reducing agent.
    Type: Grant
    Filed: August 28, 1978
    Date of Patent: May 20, 1980
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yuji Funaki, Hirofumi Oshita, Shizuya Tanaka, Shigeo Yamamoto, Toshiro Kato