Patents Represented by Attorney George B. Oujevolk
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Patent number: 5532008Abstract: Ruminant feedstuffs comprising at least one biologically active substance such as amino acids, salts of amino acids and vitamins which are dispersed in a protectant containing calcium salts of mixed fatty acids as a main component wherein the void ratio is 15% or less and the moisture content is 2% by weight or less are disclosed. The feedstuff preparations of the present invention have excellent rumen bypassing properties and excellent digestion and absorption properties in the abamasum and subsequent digestive organs in addition to the feedstuffs' excellent heat resistant stability.Type: GrantFiled: April 18, 1995Date of Patent: July 2, 1996Assignee: Nippon Soda Co., Ltd.Inventors: Seiji Sasaoka, Izuo Aoki, Hiroshi Maruyama
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Patent number: 5504056Abstract: A heterocyclic cyclohexanedione derivative represented by the general formula I!: ##STR1## wherein R.sup.1 is optionally substituted lower alkyl, optionally substituted cycloalkyl, optionally substituted phenyl or optionally substituted heterocyclic ring; R.sup.2, R.sup.3, R.sup.4 and R.sup.5 may be the same or different from one another and each independently represents hydrogen or lower alkyl; R.sup.6 is hydrogen; R.sup.7 is OR.sup.8 wherein R.sup.8 is hydrogen, lower alkyl, aralkyl, lower acyl, alkylsulfonyl or arylsulfonyl; or R.sup.6 and R.sup.7 are combined together to represent a single bond; X is oxygen, sulfur or N--R.sup.9 wherein R.sup.9 is hydrogen, lower alkyl, optionally substituted aralkyl, optionally substituted cycloalkyl, optionally substituted phenyl or optionally substituted heterocyclic ring, a salts thereof, a process for producing the same, and a herbicides comprising the same.Type: GrantFiled: July 20, 1994Date of Patent: April 2, 1996Assignee: Nippon Soda Co., Ltd.Inventors: Hiroyuki Adachi, Toshio Aihara, Katsunori Tanaka, Takashi Kawana, Shigeo Yamada, Hideo Hosaka
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Patent number: 5484949Abstract: The present invention relates to a method for the synthesis of .alpha., .beta.-unsaturated ketones which comprises, in the method for the synthesis of .alpha., .beta.-unsaturated ketones represented by general formula ##STR1## reacting aldehydes represented by general formulaR.sup.1 CHO(where R.sup.1 is as defined above) with alkali metal salt of acetoacetic acid represented by general formula ##STR2## (where M.sup..sym. is an alkali metal ion), in the presence as a catalyst of 3-azabicyclo[3,2,2]nonane, a cyclic secondary amine represented by general formula (1) ##STR3## a cyclic secondary amine represented by general formula (2) ##STR4## (where, l is 1 or more and up to 6, a ring with N is a 6-membered, 7-membered or 8-membered ring, the two neighbors of N are methylene, R.sup.3 is a lower alkyl group, its substitution position is at a carbon atom other than two those adjacent to N, and ##STR5## is an alicyclic group or a phenol group), or a secondary amine represented by general formula (3)CH.sub.3 NHCH.Type: GrantFiled: March 2, 1994Date of Patent: January 16, 1996Assignee: Nippon Soda Co., Ltd.Inventors: Keiichi Tsukashima, Masashi Nakajima, deceased, Masayoshi Fujimaru, Kenji Suzuki
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Patent number: 5468905Abstract: Compounds represented by general formulas (I) and (II), useful as the intermediates for agricultural chemicals, particularly herbicidal compounds, wherein R.sup.1 and R.sup.2 represent each hydrogen, alkyl or COOR.sup.3 :R.sup.3 represents alkyl: and R.sup.4 represents alkyl.Type: GrantFiled: May 25, 1994Date of Patent: November 21, 1995Assignee: Nippon Soda Co., Ltd.Inventors: Junji Suzuki, Masami Hatano, Shinichi Imaizumi
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Patent number: 5453529Abstract: Nitroinimo compound as intermediate for insecticides and pharmaceauticals of the formula I ##STR1## wherein R.sup.1 and R.sup.2 are the same or different from each other and denote lower alkyl of 1 to 4 carbon atoms.Type: GrantFiled: November 23, 1993Date of Patent: September 26, 1995Assignee: Nippon Soda Co., Ltd.Inventors: Shigeru Kojima, Makoto Funabora, Noriaki Kawahara, Yoshiyuki Iiyoshi
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Patent number: 5380887Abstract: A diphenylsulfone derivative of the formula (I) ##STR1## which is highly safe and used for imparting storage stability to a colored image of thermal or heat sensitive recording material, wherein R.sup.1 represents lower alkenyl or aralkyl optionally substituted with halogen or lower alkyl, and R.sup.2 represents hydrogen or methyl, provided that R.sup.2 represents methyl when R.sup.1 represents unsubstituted benzyl.Type: GrantFiled: February 4, 1994Date of Patent: January 10, 1995Assignee: Nippon Soda Co., Ltd.Inventors: Takafumi Tohyama, Takehiro Sato, Kousaku Morita, Masaaki Uchikawa, Nobuyuki Hirai
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Patent number: 5364977Abstract: The present invention provides novel clathrate compounds using tetrakisphenols as host. The clathrate compounds are obtained easily and efficiently by reacting tetrakisphenols represented by the general formula [I] as host and various organic compounds such as alcohol, ether, ester, ketone, heterocyclic compounds containing nitrogen, essential oil, perfume and the like as guest under the condition of solvent-free or diluted with solvent if required. ##STR1## wherein X represents (CH.sub.2)n, n represents 0-3, and R.sup.1 and R.sup.2 represents each independently hydrogen atom, a lower alkyl group, a pheny group optionally having substituents, a halogen atom or a lower alcoxy group.The clathrate compounds specified in the present invention are useful in the technological field of selective separation, chemical stabilization, conversion to non-volatility, powder processing and the like.Type: GrantFiled: August 12, 1993Date of Patent: November 15, 1994Assignee: Nippon Soda Co., Ltd.Inventors: Makoto Asai, Hiroshi Suzuki, Takako Ichikawa
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Patent number: 5340788Abstract: Storing stabilizers for color image of heat sensitive recording materials, which are higher safe diphenylsulfone derivatives represented by general formula (I), and the heat sensitive recording materials using them. ##STR1## (Wherein, R.sup.1 is aralkyl or lower alkenyl which may be substituted with halogen or lower alkyl and R.sup.2 is hydrogen or methyl, but when R.sup.1 is unsubstituted benzyl, R.sub.2 is methyl).Type: GrantFiled: March 19, 1992Date of Patent: August 23, 1994Assignee: Nippon Soda Co., Ltd.Inventors: Takafumi Tohyama, Takehiro Sato, Kousaku Morita, Masaaki Uchikawa, Nobuyuki Hirai
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Patent number: 5317102Abstract: This invention relates to 3,6-diamino-2,5-pyrazinedicarbonitrile which is a red crystal and yellowish green fluorenscent substance and the methods of preparation from compounds represented by formula [I], ##STR1## (wherein R are aryl, alkyl, aralkyl or alkenyl or may be substituted), as a starting material, under acidic condition in the presence of oxygen.Type: GrantFiled: August 7, 1992Date of Patent: May 31, 1994Assignee: Nippon Soda Co., Ltd.Inventors: Seiji Tazaki, Tomio Yagihara, Nobuo Matsui, Atsushi Yanagisawa, Takakazu Kojima
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Patent number: 5300654Abstract: .beta.-hydroxyketones are prepared by reacting an aldehyde with acetone in the presence of perhydroisoindole or pyrrolidine and water. The resulting .beta.-hydroxyketone is further reacted in the presence of a solvent mixture to produce .alpha.-.beta.-unsaturated ketones.Type: GrantFiled: July 15, 1991Date of Patent: April 5, 1994Assignee: Nippon Soda Co., Ltd.Inventors: Masashi Nakajima, Tadashi Kyotani, Mikio Sawaki
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Patent number: 5294711Abstract: This invention relates to 3,6-diamino-2,5-pyrazinedicarbonitrile which is a red crystal and yellowish green fluorescent substance and the methods of preparation from compounds represented by formula [I], ##STR1## (wherein R are aryl, alkyl, aralkyl or alkenyl or may be substituted), as a starting material, under acidic condition in the presence of oxygen.Type: GrantFiled: April 29, 1991Date of Patent: March 15, 1994Assignee: Nippon Soda Co., Ltd.Inventors: Seiji Tazaki, Tomio Yagihara, Nobuo Matsui, Atsushi Yanagisawa, Takakazu Kojima
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Patent number: 5278295Abstract: A pyrrole polymer membrane having electrical conductivity and liquid crystal properties in the same matrix. The starting pyrrole monomer derivative is illustrated by the formula ##STR1## where R.sub.1 and R.sub.2 are selected so that at least either of them is an electron attractive group. Methods of producing such membranes by a electropolymerization process and by a chemical oxidation process are described.Type: GrantFiled: May 7, 1992Date of Patent: January 11, 1994Assignee: Nippon Soda Co., Ltd.Inventors: Hirofumi Suzuki, Takehira Kaneko, Nobuo Matsui, Isami Hamamoto, Tetsuya Katoh, Toshiaki Satoh, Fuminiko Nagasaki
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Patent number: 5257474Abstract: A fly and insect trap actuated by the action of cattle is disclosed. There is a trap chamber, generally cubical in shape with an entrance having a bamboo curtain, with bamboo rods with ornaments which are attractive to cattle. Attached to the ceiling chamber is a cloth brush disposed to brush the backs of cattle passing through the chamber; attractants for flies and insects are also attached to the ceiling with one-way apertures for the insects to pass through. Cattle passing through the chamber pass through an exit door disposed so as to brush the cattle as they leave the chamber. The chamber may also have a hoof bath at the bottom of the chamber.Type: GrantFiled: January 21, 1993Date of Patent: November 2, 1993Inventor: Margaret P. Burgos
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Patent number: 5200540Abstract: It is possible to eliminate organic tin(IV) monohalide from organic tin(IV) polyhalide containing the monohalide so that it can not be detected in sensitivity of ordinary gas chromatography by treating with hydrochloric acid, hydrogen chloride or chlorine.Type: GrantFiled: August 2, 1991Date of Patent: April 6, 1993Assignee: Koriyama Kasei Co., Ltd.Inventors: Yasuyuki Suzuki, Yuji Watanabe, Toshinao Fujita, Naruo Den
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Patent number: 5049736Abstract: A geological age measurement apparatus by the color measurement of zirconium comprises an arithmetic recording computer including a recording medium input/output unit medium connected to both a measured result storage medium and a control storage medium including a calibration curve preparation program showing the relation between the color of zirconium and its geological age, an age arithmetic program for calculating the geological age from the color and a basic program. The apparatus allows the evaluation of geological age by color measurement easily, promptly and inexpensively without using any large expensive instruments. The evaluation of geothermal heat storage layers and heat source is done almost spontaneously while geothermal walls are being bored for their tests.Type: GrantFiled: August 13, 1990Date of Patent: September 17, 1991Assignee: Sekiyushigen Kaihatsu Kabushiki KaishaInventor: Kunio Kai
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Patent number: 5039758Abstract: Disclosed is a safe and efficient process for producing N-polyoxy-alkylated polyamides which comprises reacting polyamide in powder form under a temperature below the melting point of the polyamide with an alkylene oxide in the presence of an alkaline catalyst, and in a medium such as specificed cyclic ethers or specified alkyleneglycol dialkyl ethers.Type: GrantFiled: June 21, 1990Date of Patent: August 13, 1991Assignee: Nisso Petrochemical Industries Co., Ltd.Inventors: Takashi Tobita, Masuhiro Ikeshima, Itsuo Nakabayashi, Masahiro Shiozaki
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Patent number: 5017710Abstract: Fluoran compounds represented by the general formula (I) ##STR1## (where R is an alkyl group having 9 to 12 carbon atoms) and coloring recording materials containing the said compounds as coloring components, and benzoic acid derivatives represented by the general formula (II) ##STR2## (where R is an alkyl group having 9 to 12 carbon atoms).Type: GrantFiled: October 24, 1989Date of Patent: May 21, 1991Assignee: Nippon Soda Co., Ltd.Inventors: Tetsuo Igaki, Akio Kaneko, Sumio Manaka, Kimiaki Kinoshita
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Patent number: 5008455Abstract: There is provided a method for the production of hydroxylamine derivatives or the salt thereof in which a salt of hydroxamic acid is reacted with an alkylating agent such as diethyl sulfate to form an ester of hydroxamic acid, which is reacted with mineral acid in an aqueous solution of lower alcohol so as to prepare hydroxylamine derivatives or the salt thereof. In this process, the incorporation of an oxidizing agent or aldehydes in the reaction system will significantly reduce the content of nitrosoamines in the resulting solution of hydroxylamine derivatives or the salt thereof. Therefore, the resulting hydroxylamine derivatives obtained with a lesser content of harmful compound will be useful as an intermediate for the production of drugs and pesticides.Type: GrantFiled: December 6, 1989Date of Patent: April 16, 1991Assignee: Nippon Soda Co., Ltd.Inventors: Masashi Nakajima, Nobuo Tomita, Kenji Suzaki, Akira Kaneko, Mikio Sawaki
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Patent number: 4997306Abstract: In joint for connecting reinforcing bars (5 and 5) in such a manner that the connecting end portions of the reinforcing bars are respectively inserted into the respective curved portions of a hollow metallic pipe (sleeeve 1) from the opposite sides thereof, and a wedge 6 is press-fitted into the area between the reinforcing bars from one of the wedge bores 4 and 4' to the other, a joint having a concave portions 8 and 8' on the inner surface of the curved wall 3 and 3' at the inner surface of the arc center of the pair of curved walls of the sleeve.Type: GrantFiled: June 18, 1990Date of Patent: March 5, 1991Inventor: Soichi Kunoki
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Patent number: 4994478Abstract: The present invention relates to a compound having the formula ##STR1## (wherein R.sub.1 denotes a phenyl radical (which may be substituted by halogen atoms, C.sub.1-6 alkyl radicals, C.sub.1-6 alkoxy radicals (which may be substituted by C.sub.1-6 alkoxy radicals,) C.sub.2-6 alkynyloxy radicals, amino radicals, nitro radicals, phenyl radicals, phenoxy radicals or C.sub.1-6 alkylthio radicals), a five or six membered heterocyclic radical (which may be substituted by halogen atoms or C.sub.1-6 alkyl radicals), a C.sub.1-6 alkyl radical (which may be substituted by aryl radicals) or ##STR2## wherein each or r.sup.1 and r.sup.2 denotes a C.sub.1-6 alkyl radical or a phenyl radical)X denotes oxygen atom or sulfur atom;A denotes ##STR3## B denotes ##STR4## D denotes ##STR5## n, m and l denote 0 or 1, (wherein r.sup.3, r.sup.4, r.sup.6, r.sup.7, r.sup.9 and r.sup.10, respectively, denotes hydrogen atom, halogen atom, C.sub.1-6 alkyl radical, the radical expressed by the formula --Y-- r.sup.12 (wherein r.sup.Type: GrantFiled: May 18, 1989Date of Patent: February 19, 1991Assignee: Nippon Soda Co., Ltd.Inventors: Takashi Kishimoto, Takashi Okabe, Tomio Yamada, Michihiko Matsuda, Yukio Kitagawa