Patents Assigned to Nippon Soda Company Limited
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Patent number: 4008067Abstract: A compound of the general formula ##STR1## wherein R.sub.1 is lower alkyl,R.sub.2 is selected from the group consisting of lower alkyl, lower alkenyl and lower alkynyl,A is a formula which is selected from the formula consisting of: ##STR2## where R.sub.3 is selected from the group consisting of hydrogen and lower alkyl,R.sub.4 is selected from the group consisting of lower alkyl and phenyl, andR.sub.3 forms cyclo-alkylene of 4 to 5 carbon atoms by combining with R.sub.4 ; ##STR3## where R.sub.5 and R.sub.7 are selected from the group consisting of hydrogen and lower alkyl andR.sub.6 is lower alkyl; and ##STR4## where R.sub.8 is selected from the group consisting of hydrogen and lower alkyl andR.sub.9 is lower alkyl;Or a metal salt of the compound defined herein above is useful as herbicide.Type: GrantFiled: May 28, 1975Date of Patent: February 15, 1977Assignee: Nippon Soda Company, LimitedInventors: Yoshihiko Hirono, Hisao Ishikawa, Isao Iwataki, Mikio Sawaki, Takashi Okabe, Daigaku Takiguchi, Kuniyasu Maeda
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Patent number: 4004022Abstract: A compound of the formula ##STR1## wherein R.sub.1 is lower alkyl;R.sub.2 and R.sub.3 are methyl, and R.sub.2 forms cyclo-alkylene of 5 to 6 carbon atoms by combining with R.sub.3 ;M is a substituent selected from the group consisting of --CH.sub.2 X and --CHX.sub.2 in which X is halogen;Is useful as fungicide.Type: GrantFiled: July 28, 1975Date of Patent: January 18, 1977Assignee: Nippon Soda Company LimitedInventors: Izumi Kumita, Akiyoshi Ueda, Kazuhiko Ohkuma, Sho Hashimoto, Akira Nakada, Masami Mizuno
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Patent number: 4001297Abstract: The compounds of the general formula: ##STR1## wherein R.sub.1 is alkyl of 1 through 4 carbon atoms,R.sub.2 is cyclopropyl or phenyl; have fungicidal and acaricidal activities.Type: GrantFiled: October 15, 1974Date of Patent: January 4, 1977Assignee: Nippon Soda Company LimitedInventors: Teruhisa Noguchi, Kimpei Kato, Koshin Miyazaki
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Patent number: 4001257Abstract: Nicotinic acid is produced by oxidizing dialkylpyridine such as 2-methyl-5-ethylpyridine, 2,5-lutidine and the like, with nitric acid by an amount of 100 to 118 percent, preferably 100 to 108 percent, to the theoretical oxidizing amount, at a temperature of 220.degree. to 240.degree. C, preferably 225 to 235.degree. C under a pressure of 30 to 45 kg/cm.sup.2 for 5 to 30 minutes.Type: GrantFiled: August 8, 1975Date of Patent: January 4, 1977Assignee: Nippon Soda Company LimitedInventors: Keiji Masuda, Hidenori Kizawa, Yasuhiko Otaki
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Patent number: 3999974Abstract: A compound of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen, lower alkyl, phenyl and phenyl substituted with halogen or halogenated methyl;R.sub.2 is selected from the group consisting of hydrogen, lower alkyl and lower alkenyloxy;R.sub.3 is selected from the group consisting of lower alkyl and phenyl substituted with halogen;R.sub.4 is selected from the group consisting of lower alkyl, lower alkenyl and benzyl;Or a metal salt of the compound defined herein above; is useful as herbicide.Type: GrantFiled: May 28, 1975Date of Patent: December 28, 1976Assignee: Nippon Soda Company LimitedInventors: Yoshihiko Hirono, Hisao Ishikawa, Isao Iwataki, Mikio Sawaki, Osami Nomura
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Patent number: 3989504Abstract: A compound of the formula ##SPC1##Wherein X is hydrogen or halogen:R.sub.1 is alkyl having six or less carbon atoms or phenyl;R.sub.2 is alkyl having 1 to 20 carbon atoms or haloalkyl having six or less carbon atoms or phenyl or phenyl substituted with halogene or nitro or benzyl or phenoxymethyl or 2-phenylvinyl;R.sub.3 is hydrogen or alkyl having 1 to 10 carbon atoms or alkenyl having six or less carbon atoms or alkynyl having six or less carbon atoms or benzyl; a proviso that R.sub.1 and R.sub.2 do not simultaneously represent a methyl group,Is useful as herbicide.Type: GrantFiled: July 3, 1975Date of Patent: November 2, 1976Assignee: Nippon Soda Company LimitedInventors: Mikio Sawaki, Isao Iwataki, Yoshihiko Hirono, Hisao Ishikawa, Shozo Yamada, Yasushi Yasuda, Mitsuo Asada
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Patent number: 3989615Abstract: A high electrodensity chloro-alkali electrolytic diaphragm cell, wherein the diaphragm comprises a layer mixture of asbestos fibers and from 1 to 30 percent by weight of carbon fibers.Type: GrantFiled: August 20, 1973Date of Patent: November 2, 1976Assignee: Nippon Soda Company LimitedInventors: Shotaro Kiga, Shozo Chiba, Kenichi Edahiro, Naoshi Yoshida, Masuo Nagasawa
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Patent number: 3989737Abstract: A compound of the formula ##SPC1##WhereinR.sub.1 is selected from the group consisting of phenyl and straight or branched chain alkyl;R.sub.2 is selected from the group consisting of straight or branched chain lower alkyl, straight or branched chain lower alkenyl, lower alkynyl, lower alkoxymethyl, lower alkylthiomethyl and benzyl;X is a same or different substituent which is selected from the group consisting of straight or branched chain alkyl, lower alkoxycarbonyl, phenyl, substituted phenyl having at least one substituent selected from the group consisting of halogen, methyl and methoxy, styryl, furyl, thienyl and --(CH.sub.Type: GrantFiled: December 11, 1974Date of Patent: November 2, 1976Assignee: Nippon Soda Company LimitedInventors: Mikio Sawaki, Isao Iwataki, Yoshihiko Hirono, Hisao Ishikawa
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Patent number: 3983241Abstract: This invention is directed to compositions and methods employing, as an active fungicidal ingredient, at least one compound of the formula: ##SPC1## WHEREIN R.sub.1 is selected from the group consisting of straight or branched chain alkyl, lower alkenyl, lower alkynyl, lower alkoxyethl, lower haloalkyl and lower cycloalkyl.Especially preferred for use because of their fungicidal effectiveness are:2-amino-1-n-butoxycarbonyl-4,5-dicyanoimidazole and2-amino-4,5-dicyano-1-n-pentyloxycarbonylimidazole.Type: GrantFiled: July 28, 1975Date of Patent: September 28, 1976Assignee: Nippon Soda Company LimitedInventors: Sho Hashimoto, Akira Nakada, Saburo Kano, Susumu Takahashi
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Patent number: 3972899Abstract: Compounds of the formula ##SPC1##Wherein R.sub.1 and R.sub.2 are alkyl having 2 to 6 carbon atoms or phenyl; R.sub.3 is alkyl having 1 to 10 carbon atoms, alkenyl or alkynyl having up to six carbon atoms; R is alkyl of 1 to 20 carbon atoms, phenyl or phenyl substituted with halogen, methyl, methoxy or nitro; and A is carbonyl or sulfonyl, are effective as herbicides, plant growth regulators and fungicides.Type: GrantFiled: November 9, 1973Date of Patent: August 3, 1976Assignee: Nippon Soda Company LimitedInventors: Mikio Sawaki, Isao Iwataki, Hisao Ishikawa, Shozo Yamada, Yasushi Yasuda
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Patent number: 3971820Abstract: A process for tetramerizing hydrogen cyanide to diaminomaleonitrile, wherein hydrogen cyanide is polymerized in an organic solvent in the presence of a basic catalyst and a cocatalyst of the group consisting of organic mercaptans and organic disulfides.Type: GrantFiled: November 25, 1974Date of Patent: July 27, 1976Assignee: Nippon Soda Company LimitedInventors: Tatsumi Kobayashi, Eiji Nishiwaki, Shigeharu Yamazoe, Mitsuyuki Hoshino, Sadafumi Yoshino, Katsunori Mikuma
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Patent number: 3970751Abstract: A compound represented by the formula ##SPC1##WhereinR.sub.1 and R.sub.2 are lower alkyl having six or less carbon atoms,X is bromine is used to combat phylophogous insects.Type: GrantFiled: January 30, 1975Date of Patent: July 20, 1976Assignee: Nippon Soda Company LimitedInventors: Saburo Kano, Osami Nomura, Mitsuo Asada, Meiki Ando, Michihiko Matsuda, Tomio Yamada, Hitoshi Watanabe, Takuzo Taniguchi
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Patent number: 3967951Abstract: A selective herbicidal composition comprising an effective amount of a compound of the formula ##SPC1##Wherein R is selected from the group consisting of isopropyl and tertbutyl.Type: GrantFiled: January 31, 1974Date of Patent: July 6, 1976Assignee: Nippon Soda Company LimitedInventors: Yoshihiko Hirono, Hisao Ishikawa, Shozo Yamada, Saburo Kano, Osami Nomura
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Patent number: 3967950Abstract: Benzothiazole derivatives of the general formula: ##SPC1##Wherein R is chlorine atom, alkyl having from 1 to 4 carbon atoms or methoxy; are useful as selective herbicide.Type: GrantFiled: June 10, 1974Date of Patent: July 6, 1976Assignee: Nippon Soda Company LimitedInventors: Saburo Kano, Osami Nomura, Yoshihiko Hirono, Hisao Ishikawa, Shozo Yamada
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Patent number: 3959149Abstract: As an absorbent for chlorine, heavy metals or heavy metallic compounds, a resin prepared by reacting polyisocyanate with at least one compound selected from the group consisting of polyols and functional monomers which have at least 2 active hydrogen atoms and at least one functional group selected from the group consisting of ##EQU1## >NH and --N=, such that the ratio of the total active hydrogen atom number in the polyol and functional monomer to the total isocyanate group number in the polyisocyanate is 0.8 to 5.0.Type: GrantFiled: August 25, 1971Date of Patent: May 25, 1976Assignee: Nippon Soda Company LimitedInventors: Nakaaki Oda, Yoshio Horie, Mitsuru Idohara, Takeo Hukui
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Patent number: 3958008Abstract: The thioallophanate compound represented by the following general formula ##EQU1## wherein X is hydrogen, chlorine atom, nitro or methyl group: Z is a substituting group selected from the group consisting of ##EQU2## and ##EQU3## has excellent anthelmintic activity and can be used for controlling helminthiasis of animals.Type: GrantFiled: December 28, 1970Date of Patent: May 18, 1976Assignee: Nippon Soda Company LimitedInventors: Yoshinobu Hashimoto, Kinpei Kato, Nobuo Sato