Patents Assigned to Toa Nenryo Kogyo Kabushiki Kaisha
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Patent number: 4321346Abstract: A titanium trichloride catalytic complex is produced by reducing titanium tetrachloride with an organo-metal compound and then treating the resulting reduced solids product with a chlorinated saturated hydrocarbon having two carbon atoms in the presence of a complexing agent. The resulting titanium trichloride complex composition, when employed as a co-catalyst with an organo-metal compound for Ziegler-type catalysts in polymerization of .alpha.-olefins, results in uniform polymer grains with unexpectedly high polymerization activity and high stereoregular polymer yielding ratios.Type: GrantFiled: July 20, 1979Date of Patent: March 23, 1982Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Hiroshi Ueno, Naomi Inaba, Tukuo Makishima, Koh Watanabe, Shozo Wada
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Patent number: 4315813Abstract: In a solvent dewaxing process wherein a waxy hydrocarbon oil is mixed with a dewaxing aid and dewaxing solvent and chilled to form a slurry comprising solid particles of wax and a mixture of dewaxed oil and solvent, the improvement which comprises using a polymeric dewaxing aid comprising a condensation product of naphthalene and chlorinated wax having an average molecular weight ranging from about 20,000 to 500,000 and a molecular weight distribution exceeding the range of from about 10,000 to 1,000,000.Type: GrantFiled: July 21, 1978Date of Patent: February 16, 1982Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Takashi Onodera, Kikuji Komine, Fumio Ohashi, Tsutomo Naito
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Patent number: 4314046Abstract: A supported titanium catalyst, adaptable for use in the stereoregular polymerization of .alpha.-olefins, is produced by treating a supported titanium-containing solid, obtained by cogrinding a magnesium halide, tetravalent titanium halide and organic acid ester, with a hydrocarbon, organo halogen compound or mixture thereof with heating. The resulting supported titanium catalyst, when employed as a titanium component with an organo aluminum catalyst component for the catalyst system in a process for stereoregular polymerization of .alpha.-olefins, produces high polymerization activity and unexpectedly high stereoregular polymer yielding ratios.Type: GrantFiled: July 28, 1980Date of Patent: February 2, 1982Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Hiroshi Ueno, Masafumi Imai, Naomi Inaba, Makoto Yoda, Shozo Wada
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Patent number: 4299800Abstract: This invention consists essentially in a method of removing oxygen from a gas containing an unsaturated hydrocarbon, which comprises contacting a gas containing an unsaturated hydrocarbon and oxygen with silver and/or gold, or a catalyst containing at least one of them, in the presence of hydrogen.Type: GrantFiled: November 21, 1980Date of Patent: November 10, 1981Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Eiichiro Nishikawa, Masuo Shinya, Hiroshi Furukawa, Katsumi Kaneko
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Patent number: 4295809Abstract: In an improved die-nose assembly for a melt-blowing process wherein molten resin is extruded from a series of die-holes while heated gas is blown out through slots on either side of the die nose associated therewith, spacers which are movable widthwise of the die assembly are provided in the gas slots to provide effective uniformity in the gas streams across the width of the die.Type: GrantFiled: September 14, 1979Date of Patent: October 20, 1981Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Takashi Mikami, Shigeo Fujii, Shuji Okano, Tokuzo Ikeda
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Patent number: 4288634Abstract: This invention relates to rhodium compounds having the general formula:HRh(CO)(XR.sub.3).sub.n (YR'.sub.3).sub.3-nwherein X is phosphorus, arsenic or antimony; Y is arsenic or antimony when X is phosphorus, Y is phosphorus or antimony when X is arsenic, or Y is phosphorus, arsenic or antimony when X is antimony; R and R' are aryl groups; and n is an integer of 1 or 2. Further, it relates to a process for the preparation of aldehydes by the hydroformylation of olefins in the presence of a rhodium catalyst, and more particularly for the production of aldehydes by the reaction of olefins such as propylene with carbon monoxide and hydrogen in the presence of HRh(CO)(PPh.sub.3).sub.2 (AsPh.sub.3)/excess PPh.sub.3 and AsPh.sub.3 or HRh(CO)(PPh.sub.3)(AsPh.sub.3).sub.2 /excess PPh.sub.3 and AsPh.sub.3.Type: GrantFiled: September 7, 1979Date of Patent: September 8, 1981Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Tadamori Sakakibara, Yoshihisa Matsushima, Yukio Nagashima, Nobukazu Okamoto, Katsumi Kaneko, Yohio Ishii, Shozo Wada
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Patent number: 4285655Abstract: An improved coat hanger die is provided wherein the manifold is curved and wherein the manifold radius, coat hanger slit part thickness and the form of the coat hanger die are determined by a formula which is disclosed all in relation to the radius of the manifold at its inlet. The radius of the manifold at its inlet is selected in consideration of the flow characteristics of the resin melt to provide a low melt velocity at the inlet.Type: GrantFiled: November 7, 1979Date of Patent: August 25, 1981Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventor: Yutaka Matsubara
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Patent number: 4284831Abstract: Tertiary alcohols are produced by the hydration of an isoolefin in the presence as catalyst of an acidic cation exchange resin such as a sulfonated styrene-divinylbenzene copolymer and in the presence of an oxy acid or lactone thereof such as .gamma.-valerolactone. The process is useful for separating isobutylene from a hydrocarbon mixture containing its isomers via preparation of the alcohol, separation from the unreacted hydrocarbons and dehydration of the tertiary butyl alcohol to isobutylene.Type: GrantFiled: May 5, 1980Date of Patent: August 18, 1981Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Yoshiharu Okumura, Katsumi Kaneko
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Patent number: 4270011Abstract: Isobutylene in a C.sub.4 hydrocarbon mixture with n-butenes and butanes is selectively hydrated to tertiary butyl alcohol by carrying out the reaction with water at a temperature not above 100.degree. C. in the presence of an acidic cation exchange resin and a sulfone.Type: GrantFiled: June 9, 1980Date of Patent: May 26, 1981Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Yoshiharu Okumura, Katsumi Kaneko
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Patent number: 4267031Abstract: A hydrocarbon oil coking process in which the feedstock is initially preheated to a temperature below the cracking temperature of the feedstock, prior to contacting the feedstock with a flue gas obtained from the coking zone so as to preheat the feedstock to the desired coking temperature and thereafter coking the preheated feedstock at a temperature above the cracking temperature of the feedstock.Type: GrantFiled: November 26, 1976Date of Patent: May 12, 1981Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Hideo Hirabayashi, Hiroshi Yamaguchi, Masahiko Uemura
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Patent number: 4259530Abstract: In an oxo process wherein an olefin is caused to react with carbon monoxide and hydrogen, a rhodium catalyst is provided by carrying out the hydroformylation in the presence of a rhodium source and free mixed ligands comprising a tertiary organo phosphorus and tertiary organo arsenic in excess of the quantity required for coordination to the rhodium atom. For example, HRh(CO)(PPh.sub.3).sub.3 with excess AsPh.sub.3 /PPh.sub.3 may be used to give a high reaction rate and good selectivity to n-aldehyde.Type: GrantFiled: September 7, 1979Date of Patent: March 31, 1981Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Yoshihisa Matsushima, Tadamori Sakakibara, Katsumi Kaneko, Shozo Wada, Yoshio Ishii, Yukio Nagashima, Nobukazu Okamoto
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Patent number: 4253984Abstract: A supported titanium catalyst component is produced by cogrinding in the presence of an ethylenically unsaturated hydrocarbon an organo aluminum catalyst component with a supported titanium (IV) halide on a magnesium halide until the intensity of the 14.8.degree. and 30.2.degree. x-ray diffraction peak of magnesium halide are reduced in intensity. The resulting supported titanium halide catalyst component, when employed with an organo aluminum catalyst component to form a catalyst system is highly useful for the stereoregular polymerization of .alpha.- olefins as well as the copolymerization of .alpha.-olefins.Type: GrantFiled: July 23, 1979Date of Patent: March 3, 1981Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Masafumi Imai, Hiroshi Ueno, Naomi Inaba, Makoto Yoda, Shozo Wada
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Patent number: 4246136Abstract: A supported titanium catalyst is produced by cogrinding, in combination, a magnesium halide, tetravalent titanium halide, organic acid ester, and a halogen compound selected from organic halogen compounds and halogen-containing compounds of Group IVa elements of the Periodic Table except carbon, and then treating the resulting titanium-containing solid with a hydrocarbon and/or a halogen compound as described above. The resulting supported titanium catalyst, when employed as a titanium component with an organo aluminum catalyst component for the catalyst system in a process for stereoregular polymerization of .alpha.-olefins results in unexpectedly high polymerization activity and high stereoregular polymer yielding ratios.Type: GrantFiled: April 11, 1979Date of Patent: January 20, 1981Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Hiroshi Ueno, Masafumi Imai, Naomi Inaba, Makoto Yoda, Shozo Wada
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Patent number: 4242231Abstract: A supported titanium catalyst is produced by cogrinding, in combination, a magnesium halide, tetravalent titanium halide, organic acid ester, and an organic halogen compound. The resulting supported titanium catalyst, when employed as a titanium component with an organo aluminum catalyst component for the catalyst system in a process for stereoregular polymerization of .alpha.-olefins, produces high polymerization activity and unexpectedly high stereoregular polymer yielding ratios.Type: GrantFiled: April 11, 1979Date of Patent: December 30, 1980Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Hiroshi Ueno, Masafumi Imai, Naomi Inabe, Makoto Yoda, Shozo Wada
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Patent number: 4242230Abstract: A supported titanium catalyst, adaptable for use in the stereoregular polymerization of .alpha.-olefins, is produced by treating a supported titanium-containing solid, obtained by cogrinding a magnesium halide, tetravalent titanium halide and organic acid ester, with a hydrocarbon, organo halogen compound or mixture thereof with heating. The resulting supported titanium catalyst, when employed as a titanium component with an organo aluminum catalyst component for the catalyst system in a process for stereoregular polymerization of .alpha.-olefins, produces high polymerization activity and unexpectedly high stereoregular polymer yielding ratios.Type: GrantFiled: April 11, 1979Date of Patent: December 30, 1980Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Hiroshi Ueno, Masafumi Imai, Naomi Inaba, Makoto Yoda, Shozo Wada
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Patent number: 4240928Abstract: A titanium trichloride catalytic complex is produced by reducing titanium tetrachloride with an alkylaluminum halide composition at low temperature and then treating the resulting reduced solids product by contacting it at elevated temperature with a dialkyl ether having alkyl groups of 4 to 5 carbon atoms and with hexachloroethane, the proportion of dialkyl ether being at least 1 mol per 1 mol of hexachloroethane and the proportion of hexachloroethane being at least greater than about 0.5 mol per 1 gram atom of titanium in the reduced solids product. The resulting titanium trichloride complex composition, when employed as co-catalyst with an organo-metal compound for Ziegler-type catalysts in polymerization of .alpha.-olefins, results in uniform polymer grains with unexpectedly high polymerization activity and high stereoregular polymer yielding ratios.Type: GrantFiled: July 25, 1978Date of Patent: December 23, 1980Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Hiroshi Ueno, Naomi Inaba, Tukuo Makishima, Koh Watanabe, Shozo Wada
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Patent number: 4238175Abstract: A process and apparatus are provided for the production of a non-woven fabric by melt-blowing wherein one or more yarns, e.g. monofilaments, are added or charged into the fabric stream between the extruder and collector by means of a supporting and drawing pressure gas stream. In one embodiment means are provided to regulate flow of the gas stream in another embodiment means are provided to reciprocate or to rotate through a small arc the one or more charging means.Type: GrantFiled: March 2, 1978Date of Patent: December 9, 1980Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Shigeo Fujii, Tokuzo Ikeda, Takashi Mikami, Shuji Okano
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Patent number: 4237329Abstract: This invention relates to a process for the production of alkylbenzenes, which comprises reacting benzene with at least one aromatic hydrocarbon substituted by alkyl groups and containing 9 or more carbon atoms, in the presence of an acid leached hydrogen form mordenite catalyst having a silica (SiO.sub.2)/alumina (Al.sub.2 O.sub.3) molar ratio of 15 to 21 and a sodium content of 0.05 weight % or less as Na.sub.2 O.Type: GrantFiled: April 13, 1979Date of Patent: December 2, 1980Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Setsuo Kamiyama, Yukio Nagashima, Hiroshi Furukawa, Katsumi Kaneko
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Patent number: 4225727Abstract: The invention relates to a process for the production of an unsaturated glycol diester by the reaction of a conjugated diene compound, a carboxylic acid and molecular oxygen in the presence of a solid catalyst. For example, 1,4-diacetoxy-2-butene is prepared at high conversion and high selectivity by reacting butadiene, molecular oxygen and acetic acid in the presence of a solid catalyst containing palladium, tellurium and at least one element selected from the group consisting of tin, germanium and lead. The product is an intermediate for the preparation of 1,4-butanediol.Type: GrantFiled: October 5, 1979Date of Patent: September 30, 1980Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Setsuo Kamiyama, Kouji Shiozawa, Yoshiharu Okumura, Katsumi Kaneko
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Patent number: 4218308Abstract: Novel catalyst compositions are provided comprising a silica/alumina carrier having a silica content less than about 40% by weight and at least one noble metal component of Group VIII of the Periodic Table and wherein the catalyst contains (1) pores having a diameter of smaller than 600 A occupying at least 90% of the total pore volume and (2) pores having a diameter of 150 to 600 A occupying at least about 40% of the total volume of the pores having a diameter of smaller than 600 A. This catalyst is particularly useful in the production of jet fuels and white oils.Type: GrantFiled: January 29, 1979Date of Patent: August 19, 1980Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Takuji Itoh, Ikuo Akitsuki