Patents Assigned to Yashima Chemical Industrial Co., Ltd.
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Patent number: 5578625Abstract: An acaricide which contains as an effective ingredient an oxazoline or thiazoline compound represented by the following formula ##STR1## wherein, R.sup.1, R.sup.2, R.sup.3, R.sup.4, Z and A are as defined in the description.This acaricide has an excellent acaricidal activity against house dust mites and mites and ticks which parasitize pets or wild animals or birds.Type: GrantFiled: December 5, 1994Date of Patent: November 26, 1996Assignee: Yashima Chemical Industrial Co., Ltd.Inventors: Junji Suzuki, Yasuo Kikuchi, Tatsuya Ishida, Tatsufumi Ikeda
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Patent number: 5141948Abstract: 2-Substituted phenyl-2-oxazoline derivatives or 2-substituted phenyl-2-thiazoline derivatives represented by the general formula (I) ##STR1## in which R.sub.1 and R.sub.2 may be same or different and each represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a nitro group, a lower haloalkyl group or a lower haloalkoxy group, with a proviso that R.sub.1 and R.sub.2 do not simultaneously represent hydrogen atoms;R.sub.3 represents a hydrogen atom, a halogen atom, a lower alkyl group or a lower alkoxy group;R.sub.Type: GrantFiled: December 10, 1990Date of Patent: August 25, 1992Assignee: Yashima Chemical Industrial Co., Ltd.Inventors: Satoshi Miyamoto, Junji Suzuki, Yasuo Kikuchi, Kazuya Toda, Yoshiaki Itoh, Tatsufumi Ikeda, Tatsuya Ishida, Tasuaki Hariya, Yokichi Tsukidate, Chiharu Morikawa
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Patent number: 4977171Abstract: A compound represented by the following formula ##STR1## wherein X.sup.1 and X.sup.2 are identical or different and each represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a halogen atom, a trifluoromethyl group or a trifluoromethoxy group;Y.sup.1 and Y.sup.2 are identical or different and each represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group, a cyano group, a nitro group, a halogen atom or a trifluoromethyl group;Z represents an oxygen or sulfur atom; andn is 0 or 1;excepting the case where n is 0 and X.sup.1 and X.sup.2 are both hydrogen atoms, the case where n is 1 and X.sup.1 and X.sup.2 are members selected from the class consisting of hydrogen and halogen (excepting iodine) atoms, and the case where Y.sup.1 and Y.sup.2 are membrs selected from the class consisting of hydrogen and halogen (excepting iodine) atoms and nitro groups. This compound is useful as an insecticidal and acaricidal (miticidal) agent.Type: GrantFiled: June 2, 1989Date of Patent: December 11, 1990Assignee: Yashima Chemical Industrial Co., Ltd.Inventors: Junji Suzuki, Tatsuya Ishida, Kazuya Toda, Tatsufumi Ikeda, Yokichi Tsukidate, Kikuchi Yasuo, Yoshiaki Itoh
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Patent number: 4703059Abstract: A compound represented by the formula ##STR1## wherein R represents an alkyl group having 7 to 11 carbon atoms, a phenyl group which may be substituted by a lower alkyl group or a halogen atom, or a group of the formula ##STR2## in which X represents a hydrogen or halogen atom. This compound can be prepared by reacting a compound represented by the formula ##STR3## wherein m is an integer of 1 to 2, and Y represents a chlorine atom when m is 1 and --O-- when m is 2, with a compound represented by the following formula ##STR4## wherein M represents a hydrogen or alkali metal atom; and is useful as a miticide.Type: GrantFiled: September 13, 1985Date of Patent: October 27, 1987Assignee: Yashima Chemical Industrial Co., Ltd.Inventors: Toshio Kano, Masamichi Knodo, Tatsufumi Ikeda, Chiharu Morikawa
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Patent number: 4685962Abstract: A compound of the formula ##STR1## wherein Y represents a halogen atom, a lower alkyl group, a lower alkoxy group or a trifluoromethyl group and R represents a lower alkyl group. This compound can be produced by reacting a compound of the formula ##STR2## or a reactive derivative thereof with an aniline derivative of the formula ##STR3## and is useful as a herbicide.Type: GrantFiled: December 17, 1984Date of Patent: August 11, 1987Assignee: Yashima Chemical Industrial Co., Ltd.Inventors: Tetsuo Takematsu, Akinori Suzuki, Kazuya Toda, Masuo Goto
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Patent number: 4582934Abstract: A compound of the general formula ##STR1## wherein X.sub.1 represents a hydrogen, fluorine, chlorine or bromine atom, X.sub.2 represents a fluorine, chlorine or bromine atom, R represents a hydrogen atom or a lower alkyl group, and Y represents a fluorine, chlorine or bromine atom, or a trifluoromethyl or cyano group.This compound is prepared by reacting a compound of the formula ##STR2## or a reactive derivative thereof with a compound of the formula ##STR3## and is useful as an insecticide.Type: GrantFiled: November 26, 1984Date of Patent: April 15, 1986Assignee: Yashima Chemical Industrial Co., Ltd.Inventors: Yasuo Kikuchi, Kazuya Toda, Chiharu Morikawa
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Patent number: 4453975Abstract: A herbicidal composition containing as an active ingredient a compound of the formula ##STR1## wherein R.sub.0 represents a hydrogen atom or a lower alkyl group, and R.sub.1, R.sub.2 and R.sub.3 each represent a hydrogen or halogen atom, or a lower alkyl, lower alkoxy or lower alkenyloxy group, which is especially useful for application to aquatic rice paddies, and novel compounds of formula (I) wherein R.sub.0, R.sub.1, R.sub.2 and R.sub.3 have the same meanings as defined above, provided that R.sub.1, R.sub.2 and R.sub.3 do not represent hydrogen atom at the same time.Type: GrantFiled: February 24, 1982Date of Patent: June 12, 1984Assignee: Yashima Chemical Industrial Co., Ltd.Inventors: Tetsuo Takematsu, Akinori Suzuki, Kazuya Toda