Patents by Inventor Yuzuru Sanemitsu

Yuzuru Sanemitsu 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: 5508415
    Abstract: An iminothiazoline compound of the formula: ##STR1## which is useful as a herbicide.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: April 16, 1996
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shinichi Kawamura, Keiichi Izumi, Junichi Sato, Yuzuru Sanemitsu, Tatsuhiro Hamada, Hideyuki Shibata, Ryo Sato
  • Patent number: 5484933
    Abstract: There is disclosed a process for the production of a fluoroalkanecarboxamide derivative of the formula (I): ##STR1## wherein R.sup.1 is a halogen atom, an alkyl group substituted with at least one halogen atom or an alkoxyl group substituted with at least one halogen atom; R.sup.2 is a hydrogen atom or a halogen atom; and R.sup.3 is a methyl group, an ethyl group, a chlorine atom or a bromine atom; X and Y are the same or different and each of them represents a hydrogen atom, a chlorine atom, a fluorine atom or a trifluoromethyl group, with the proviso that X and Y do not simultaneously represent a hydrogen atom or a chlorine atom, which comprises the steps of:(a) reacting an iminothiazoline compound of the formula (II): ##STR2## wherein R.sup.1, R.sup.2 and R.sup.3 are each as defined above, or a salt thereof with a fluoroolefin of the formula (III):XYC.dbd.CF.sub.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: January 16, 1996
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Sumio Nishida, Yuzuru Sanemitsu
  • Patent number: 5459277
    Abstract: There is disclosed an iminothiazoline compound of the formula: ##STR1## wherein R.sup.1 is halogen, halo(lower)alkyl, halo(lower)alkoxy or halo(lower)alkylthio; R.sup.2 is lower alkyl, chlorine, bromine or iodine; R.sup.3 is (lower alkyl)carbonyl, (lower cycloalkyl)carbonyl, (lower cycloalkoxy)carbonyl, (lower alkoxy)carbonyl or (lower alkyl)sulfonyl, all of which are optionally substituted with at least one substituent selected from halogen, lower alkyl, lower alkoxy, lower cycloalkyl and lower cycloalkoxy; and R.sup.4 is halogen. Also disclosed are a process for producing this compound, a herbicidal composition comprising this compound as an active ingredient, and a method for controlling undesired weeds by use of this compound as a herbicide.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: October 17, 1995
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shinichi Kawamura, Keiichi Izumi, Junichi Sato, Yuzuru Sanemitsu, Ryo Sato, Tatsuhiro Hamada, Hideyuki Shibata
  • Patent number: 5426188
    Abstract: An iminothiazoline compound of the formula: ##STR1## which is useful as a herbicide.
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: June 20, 1995
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shinichi Kawamura, Keiichi Izumi, Junichi Sato, Yuzuru Sanemitsu, Tatsuhiro Hamada, Hideyuki Shibata, Ryo Sato
  • Patent number: 5403948
    Abstract: A compound of the formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, or a halogen atom, a (C.sub.1 to C.sub.3)-alkyl group, a halo-(C.sub.1 to C.sub.3)-alkyl group, a (C.sub.1 to C.sub.6)-alkoxy group, a (C.sub.2 to C.sub.6)-alkynyloxy group, a (C.sub.2 to C.sub.6)-alkenyloxy group, a halo-(C.sub.2 to C.sub.6)-alkynyloxy group, a halo-(C.sub.2 to C.sub.6)-alkenyloxy group, a (C.sub.1 to C.sub.2)-alkylthio group, a halo-(C.sub.1 to C.sub.6)-alkoxy group, a halo-(C.sub.1 to C.sub.2)-alkylthio group, a phenoxy group, a (C.sub.1 to C.sub.3)-alkylcarboxy group, a halo-(C.sub.1 to C.sub.3)-alkylcarboxy group, a (C.sub.1 to C.sub.2)-alkoxy-(C.sub.1 to C.sub.2)-alkoxy group, a halo-(C.sub.1 to C.sub.2)-alkoxy-halo-(C.sub.2 to C.sub.3)-alkoxy group, a (C.sub.1 to C.sub.3)-alkylsulfonyloxy group, a halo-(C.sub.1 to C.sub.3)-alkylsulfonyloxy group, a cyano group, a (C.sub.1 to C.sub.3)-alkoxycarbonyl group or an aminomethyl group, at the ortho or meta position; R.sup.2 and R.sup.
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: April 4, 1995
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junichi Sato, Yuzuru Sanemitsu, Shinichi Kawamura
  • Patent number: 5360912
    Abstract: There is disclosed a process for producing an iminothiazoline derivative of the general formula: ##STR1## wherein R.sup.1 is halogen, halo(lower)alkyl, halo(lower)alkoxy or halo(lower)alkylthio; R.sup.2 is hydrogen or halogen; and R.sup.4 is hydrogen or lower alkyl. This compound (I) can be obtained by cyclization of a thiourea derivative of the general formula: ##STR2## wherein R.sup.1, R.sup.2 and R.sup.4 are each the same as defined above, and R.sup.3 is hydrogen or (lower)alkylcarbonyl optionally substituted with at least one substituent selected from the group consisting of halogen, lower alkyl and lower alkoxy.
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: November 1, 1994
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shinichi Kawamura, Junichi Sato, Yuzuru Sanemitsu
  • Patent number: 5350736
    Abstract: There is disclosed an iminothiazoline compound of the formula: ##STR1## wherein R.sup.1 is halogen, halo(lower)alkyl, halo(lower)alkoxy or halo(lower)alkylthio; R.sup.2 is lower alkyl, chlorine; bromine or iodine; R.sup.3 is (lower alkyl)carbonyl, (lower cycloalkyl)carbonyl, (lower cycloalkoxy)carbonyl, (lower alkoxy)carbonyl or (lower alkyl)sulfonyl, all of which are optionally substituted with at least one substituent selected from halogen, lower alkyl, lower alkoxy, lower cycloalkyl and lower cycloalkoxy; and R.sup.4 is halogen. Also disclosed are a process for producing this compound, a herbicidal composition comprising this compound as an active ingredient, and a method for controlling undesired weeds by use of this compound as a herbicide.
    Type: Grant
    Filed: August 21, 1992
    Date of Patent: September 27, 1994
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shinichi Kawamura, Keiichi Izumi, Junichi Sato, Yuzuru Sanemitsu, Ryo Sato, Tatsuhiro Hamada, Hideyuki Shibata
  • Patent number: 5349108
    Abstract: A compound of the formula (VIII): ##STR1## wherein R.sup.1 represents a halo-(C.sub.1 to C.sub.6)-alkoxy group at the ortho or meta position; and W.sup.2 represents a methanesulfonyl group, a methylthio group or ##STR2## wherein R.sup.44 is a (C.sub.1 to C.sub.3)-alkoxy group.
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: September 20, 1994
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junichi Sato, Yuzuru Sanemitsu, Shinichi Kawamura, Nobuaki Mito, Tatsuhiro Hamada, Ryo Yoshida
  • Patent number: 5312798
    Abstract: There is disclosed a herbicidal composition comprising as active ingredients a herbicidally effective amount of (a) an iminothiazoline compound of the formula: ##STR1## wherein R.sup.1 is halogen, halo(C.sub.1 -C.sub.2)alkyl, halo(C.sub.1 -C.sub.2)alkoxy or halo(C.sub.1 -C.sub.2)alkylthio; R.sup.2 is C.sub.1 -c.sub.2 alkyl, chroline, bromine or iodine; R.sup.3 is C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.3 -C.sub.6 cycloalkoxy or C.sub.1 -C.sub.6 alkoxy, all of which are optionally substituted with at least one substituent selected from halogen, C.sub.1 -C.sub.2 alkyl and C.sub.1 -C.sub.2 alkoxy; R.sup.4 is hydrogen or halogen; and (b) at least one of herbicidal triazine compounds, herbicidal uracil compounds, herbicidal urea compounds, herbicidal dinitro aniline compounds, norflurazon, dimethazon, imazaquin and imazethapyr. Also disclosed is a method for controlling undesired weeds by use of the herbicidal composition.
    Type: Grant
    Filed: September 11, 1992
    Date of Patent: May 17, 1994
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shinichi Kawamura, Izumi,Keiichi, Junichi Sato, Yuzuru Sanemitsu, Ryo Sato, Tatsuhiro Hamada, Hideyuki Shibata
  • Patent number: 5292715
    Abstract: There is disclosed an iminothiazoline compound of the formula: ##STR1## wherein R.sup.1 is halogen, halo(lower)alkyl, halo(lower)alkoxy or halo(lower)alkylthio; R.sup.2 is methyl, ethyl, chlorine, bromine or iodine; R.sup.3 is lower alkyl, lower cycloalkyl, lower alkoxy, lower cycloalkoxy, lower alkylamino, phenylamino or phenyl, all of which are optionally substituted with at least one substituent selected from halogen, lower alkyl, lower alkoxy, halo(lower)alkyl, lower cycloalkyl and lower cycloalkoxy; and R.sup.4 is hydrogen or halogen. Also disclosed are a process for producing this compound, a herbicidal composition comprising this compound as an active ingredient, and a method for controlling undesired weeds by use of this compound as a herbicide.
    Type: Grant
    Filed: August 28, 1992
    Date of Patent: March 8, 1994
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shinichi Kawamura, Keiichi Izumi, Junichi Sato, Yuzuru Sanemitsu, Ryo Sato, Tatsuhiro Hamada, Hideyuki Shibata
  • Patent number: 5270467
    Abstract: A compound is disclosed having the formula: ##STR1## wherein R.sup.1 represents a halo-(C.sub.1 to C.sub.6)-alkoxy group at the ortho or meta position, R.sup.2 and R.sup.3, which may be either the same or different, each represents a hydrogen atom, a halogen atom, a (C.sub.1 to C.sub.2)-alkyl group, a halo-(C.sub.1 to C.sub.2)-alkyl group, a (C.sub.1 to C.sub.2)-alkoxy group, a nitro group, a (C.sub.1 to C.sub.2)-alkylthio group, a halo-(C.sub.1 to C.sub.2)-alkylthio group or a halo-((C.sub.1 to C.sub.2)-alkoxy group, provided that both of R.sup.2 and R.sup.3, if each representing a substituent other than a hydrogen atom, are not at the ortho position for the pyrimidine ring at the same time, and W.sup.1 represents a methanesulfonyl group, or a methylthio group; provided that when W.sup.1 is a methylthio group, R.sup.1, R.sup.2 and R.sup.3 are R.sup.11, R.sup.22 and R.sup.33 wherein R.sup.11 represents a halo-(C.sub.1 to C.sub.6)-alkoxy group at the ortho or meta position, R.sup.22 and R.sup.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: December 14, 1993
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Junichi Sato, Yuzuru Sanemitsu, Shinichi Kawamura, Nobuaki Mito, Tatsuhiro Hamada, Ryo Yoshida
  • Patent number: 5244863
    Abstract: An iminothiazoline compound of the formula: ##STR1## which is useful as a herbicide.
    Type: Grant
    Filed: October 1, 1991
    Date of Patent: September 14, 1993
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shinichi Kawamura, Keiichi Izumi, Junichi Sato, Yuzuru Sanemitsu, Tatsuhiro Hamada, Hideyuki Shibata, Ryo Sato
  • Patent number: 5190575
    Abstract: A compound of the formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, or a halogen atom, a (C.sub.1 to C.sub.3)-alkyl group, a halo-(C.sub.1 to C.sub.3)-alkyl group, a (C.sub.1 to C.sub.6)-alkoxy group, a (C.sub.2 to C.sub.6)-alkynyloxy group, a (C.sub.2 to C.sub.6)-alkenyloxy group, a halo-(C.sub.2 to C.sub.6)-alkynyloxy group, a halo-(C.sub.2 to C.sub.6)-alkenyloxy group, a (C.sub.1 to C.sub.2)-alkylthio group, a halo-(C.sub.1 to C.sub.6)-alkoxy group, a halo-(C.sub.1 to C.sub.2)-alkylthio group, a phenoxy group, a (C.sub.1 to C.sub.3)-alkylcarboxy group, a halo-(C.sub.1 to C.sub.3)-alkylcarboxy group, a (C.sub.1 to C.sub.2)-alkoxy-(C.sub.1 to C.sub.2)-alkoxy group, a halo-(C.sub.1 to C.sub.2)-alkoxy-halo-(C.sub.2 to C.sub.3)-alkoxy group, a (C.sub.1 to C.sub.3)-alkylsulfonyloxy group, a halo-(C.sub.1 to C.sub.3)-alkylsulfonyloxy group, a cyano group, a (C.sub.1 to C.sub.3)-alkoxycarbonyl group or an aminomethyl group, at the ortho or meta position; R.sup.2 and R.sup.
    Type: Grant
    Filed: December 17, 1991
    Date of Patent: March 2, 1993
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Junichi Sato, Yuzuru Sanemitsu, Shinichi Kawamura, Nobuaki Mito, Tatsuhiro Hamada, Ryo Yoshida
  • Patent number: 5106860
    Abstract: Thiazolidin-4-one derivative represented by the following general formula (I) and acid addition salts thereof ##STR1## wherein; R.sup.1 and R.sup.2 are the same or different and denote each(i) a residue represented by the general formula--A--R.sup.4wherein, A denotes a single bond, C.sub.1 -C.sub.8 alkylene, C.sub.2 -C.sub.8 alkenylene, or C.sub.2 -C.sub.8 alkynylene and R.sup.4 denotes hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.3 -C.sub.8 cycloalkyl, or C.sub.1 -C.sub.6 haloalkyl,or(ii) a residue represented by the general formula ##STR2## wherein, B denotes a single bond or C.sub.1 -C.sub.6 alkylene, R.sup.5 denotes hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.3 -C.sub.8 cycloalkyl, substituted silyl, or substituted or unsubstituted aryl, n and n' denote each an integer of 2 to 4, m denotes an integer of 1 to 3, and m' denotes an integer of 0 to 2;R.sup.3 denotes hydrogen, C.sub.1 -C.sub.2 alkyl, allyl, 2-propynyl,or(c) the general formula--F--R.sup.
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: April 21, 1992
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masao Enomoto, Atsuyuki Kojima, Yoshihiro Komuro, Shigeaki Morooka, Shunji Aono, Yuzuru Sanemitsu, Masato Mizutani, You Tanabe
  • Patent number: 4992455
    Abstract: Thiazolidin-4-one derivative represented by the folowing general formula (I) and acid addition salts thereof ##STR1## wherein; R.sup.1 and R.sup.2 are the same or different and denote each(i) a residue represented by the general formula--A--R.sup.4wherein, A denotes a single bond, C.sub.1 -C.sub.8 alkylene, C.sub.2 -C.sub.8 alkenylene, or C.sub.2 -C.sub.8 alkynylene and R.sup.4 denotes hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.3 -C.sub.8 cycloalkyl, or C.sub.1 -C.sub.6 haloalkyl, or(ii) a residue represented by the general formula{(CH.sub.2).sub.n O}.sub.m {(CH.sub.2).sub.n' O}B--R.sup.5wherein, B denotes a single bond or C.sub.1 -C.sub.6 alkylene, R.sup.5 denotes hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.3 -C.sub.8 cycloalkyl, substituted silyl, or substituted or unsubstituted aryl, n and n' denote each an integer of 2 to 4, m denotes an integer of 1 to 3, and m' denotes an integer of 0 to 2; andR.sup.3 denotes hydrogen, C.sub.1 -C.sub.
    Type: Grant
    Filed: May 19, 1988
    Date of Patent: February 12, 1991
    Assignee: Sumitomo Pharmaceuticals Company, Limited
    Inventors: Masao Enomoto, Atsuyuki Kojima, Yoshihiro Komuro, Shigeaki Morooka, Shunji Aono, Yuzuru Sanemitsu, Masato Mizutani, You Tanabe
  • Patent number: 4927827
    Abstract: A novel pyridinylpyrimidine derivative of the formula below, a method for preparation thereof and a fungicide containing it, ##STR1## which is effective as a fungicide.
    Type: Grant
    Filed: May 19, 1988
    Date of Patent: May 22, 1990
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tsuguhiro Katoh, Kiyoto Maeda, Masao Shiroshita, Norihisa Yamashita, Yuzuru Sanemitsu, Satoru Inoue, Masayo Sugano, Hirotaka Tanako
  • Patent number: 4873248
    Abstract: A novel pyridinylpyrimidine derivative of the formula below, a method for preparation thereof and a fungicide containing it, ##STR1## which is effective as a fungicide.
    Type: Grant
    Filed: December 3, 1987
    Date of Patent: October 10, 1989
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Tsuguhiro Katoh, Kiyoto Maeda, Masao Shiroshita, Norihisa Yamashita, Yuzuru Sanemitsu, Satoru Inoue
  • Patent number: 4849434
    Abstract: A novel 2-pyridylthiazolidin-4-one derivative represented by the general formula ##STR1## wherein Ar denotes an aryl group unsubstituted or substituted with a halogen atom or with a lower alkoxy group; X denotes a straight-chain or branched-chain lower alkylene group or a single bond; R denotes a hydrogen atom, lower alkyl, lower alkenyl, lower alkynyl, cycloalkyl, acyloxy, di(lower alkyl) amino, hydroxyl or aryl group, or denotes an aryl group substituted with a lower alkoxy group; and Py denotes a pyridyl group, and the acid addition salt thereof, which have an excellent platelet activating factor antagonsm.
    Type: Grant
    Filed: July 17, 1987
    Date of Patent: July 18, 1989
    Assignees: Sumitomo Pharmaceuticals Company, Limited, Sumitomo Chemical Company, Limited
    Inventors: Masao Enomoto, Masami Muraoka, Keiichi Ono, Atsuyuki Kojima, Toshio Atsumi, Yoshihiro Komuro, Yuzuru Sanemitsu, Masato Mizutani
  • Patent number: 4849011
    Abstract: Provided herein is a comound of the formula: ##STR1## wherein R.sup.1 is a C.sub.1 -C.sub.2 alkyl group; R.sup.2 is a hydrogen atom, halogen atom, methyl group, or trifluoromethyl group at the o- or m-position; R.sup.3 is a halogen atom, methyl group, or trifluoromethyl group; and X is an oxygen or sulfur atom. It has an outstanding herbicidal effect and selectivity for crop plants and weeds. It is useful as a herbicide.
    Type: Grant
    Filed: August 17, 1987
    Date of Patent: July 18, 1989
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Shinichi Kawamura, Yuzuru Sanemitsu, Tatsuhiro Hamada, Ryo Yoshida
  • Patent number: 4783466
    Abstract: A novel pyridinylpyrimidine derivative of the formula below, a method for preparation thereof and a plant disease protectant containing it, ##STR1## which is effective as a plant disease protectant.
    Type: Grant
    Filed: September 8, 1987
    Date of Patent: November 8, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tsuguhiro Katoh, Kiyoto Maeda, Masao Shiroshita, Norihisa Yamashita, Yuzuru Sanemitsu, Satoru Inoue