Patents by Inventor Naomi Inaba
Naomi Inaba 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).
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Patent number: 7775958Abstract: The present invention aims at preventing sanitary tissue paper from being torn when it is removed. The purpose is accomplished by sanitary tissue paper of single-ply or double-plies, characterized in that said paper has a lateral tensile strength on a dry condition of 32 N/m or more, a longitudinal tensile strength on a wet condition 32 N/m or more, and a longitudinal tensile strength on a dry condition which is 2.5 to 3.5 times higher than the lateral tensile strength on a dry condition.Type: GrantFiled: November 20, 2006Date of Patent: August 17, 2010Assignee: Daio Paper CorporationInventors: Takenaru Mukai, Yoshinori Shimizu, Shinya Sano, Naomi Inaba
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Publication number: 20070199670Abstract: The present invention aims at preventing sanitary tissue paper from being torn when it is removed. The purpose is accomplished by sanitary tissue paper of single-ply or double-plies, characterized in that said paper has a lateral tensile strength on a dry condition of 32 N/m or more, a longitudinal tensile strength on a wet condition 32 N/m or more, and a longitudinal tensile strength on a dry condition which is 2.5 to 3.5 times higher than the lateral tensile strength on a dry condition.Type: ApplicationFiled: November 20, 2006Publication date: August 30, 2007Applicant: Daio Paper CorporationInventors: Takeharu Mukai, Yoshinori Shimizu, Shinya Sano, Naomi Inaba
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Publication number: 20040112783Abstract: The present invention aims at preventing sanitary tissue paper from being torn when it is removed. The purpose is accomplished by sanitary tissue paper of single-ply or double-plies, characterized in that said paper has a lateral tensile strength on a dry condition of 32 N/m or more, a longitudinal tensile strength on a wet direction of 32 N/m or more, and a longitudinal tensile strength on a dry condition which is 2.5 to 3.5 times higher than the lateral tensile strength on a dry condition.Type: ApplicationFiled: February 5, 2004Publication date: June 17, 2004Inventors: Takeharu Mukai, Yoshinori Shimizu, Shinya Sano, Naomi Inaba
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Patent number: 4716206Abstract: A process for homopolymerizing an olefin or copolymerizing an olefin with another olefin in the presence of a catalyst composed of(a) a solid catalyst component containing magnesium atoms, titanium atoms, halogen atoms, and an electron donor compound,(b) an organoaluminum compound represented by the formula R.sup.1 R.sup.2 R.sup.3 Al (wherein R.sup.1, R.sup.2, and R.sup.3, which may be the same or different, each denote a C.sub.1-20 alkyl, alkenyl, cycloalkyl, aryl, aralkyl, or alkoxy group, or a hydrogen atom;(c) an organoaluminum compound represented by the formula R.sup.4.sub.3-n AlX.sub.n (wherein R.sup.4 denotes a C.sub.1-20 alkyl, alkenyl, cycloalkyl, aryl, aralkyl, or alkoxy group; X denotes a halogen atom; and n.gtoreq.1),(d) an electron donor compound containing a nitrogen atom, sulfur atom, oxygen atom, or phosphorus atom, and(e) an aromatic ester compound.Type: GrantFiled: November 5, 1986Date of Patent: December 29, 1987Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Masahito Fujita, Masami Kizaki, Makoto Miyazaki, Naomi Inaba
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Patent number: 4711940Abstract: A process for preparing a catalyst component for the polymerization of olefins which comprises the steps of contacting (a) a magnesium dialkoxide soluble in an inert solvent, (b) a silicon compound having the hydrogen-silicon bond, and (c) an electron donor compound with one another in the presence of an inert solvent, and contacting the resulting reaction product with (d) a titanium compound.Type: GrantFiled: October 29, 1986Date of Patent: December 8, 1987Assignee: TOA Nenryo Kogyo Kabushiki KaishaInventors: Tadashi Yamamoto, Masafumi Imai, Hiroyuki Furuhashi, Hiroshi Ueno, Naomi Inaba
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Patent number: 4711939Abstract: A catalyst component for polymerization of olefins which is prepared by reacting a magnesium alkoxide with a silicon compound having at least one hydrogen-silicon bond, contacting the reaction product with a carboxylic acid halide and/or carboxylic acid anhydride, and contacting the resulting contact product with a titanium compound.Type: GrantFiled: October 30, 1986Date of Patent: December 8, 1987Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Masafumi Imai, Tadashi Yamamoto, Hiroyuki Furuhashi, Hiroshi Ueno, Naomi Inaba
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Patent number: 4686265Abstract: A process for polymerizing one or more alpha-olefins in the presence of a catalyst system comprising (A) a solid titanium containing catalyst component said component prepared by contacting a magnesium alkoxide, a halogenated hydrocarbon, an electron donor and a titanium compound with one another, and (B) an organoaluminum cocatalyst. In preferred embodiments, the magnesium alkoxide is first contacted with a magnesium halide. The solid titanium containing compound can be treated with an organoaluminum compound.Type: GrantFiled: May 29, 1986Date of Patent: August 11, 1987Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Kouji Maruyama, Takeshi Nomura, Hiroshi Ueno, Naomi Inaba
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Patent number: 4654318Abstract: A process for preparing a catalyst component for the polymerization of olefins which comprises the steps of contacting (a) a magnesium dialkoxide soluble in an inert solvent, (b) a silicon compound having the hydrogen-silicon bond, and (c) an electron donor compound with one another in the presence of an inert solvent, and contacting the resulting reaction product with (d) a titanium compound.Type: GrantFiled: February 26, 1985Date of Patent: March 31, 1987Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Tadashi Yamamoto, Masafumi Imai, Hiroyuki Furuhashi, Hiroshi Ueno, Naomi Inaba
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Patent number: 4652541Abstract: A catalyst component for polymerization of olefins which is prepared by reacting a magnesium alkoxide with a silicon compound having at least one hydrogen-silicon bond, contacting the reaction product with a carboxylic acid halide and/or carboxylic acid anhydride, and contacting the resulting contact product with a titanium compound.Type: GrantFiled: August 20, 1984Date of Patent: March 24, 1987Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Masafumi Imai, Tadashi Yamamoto, Hiroyuki Furuhashi, Hiroshi Ueno, Naomi Inaba
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Patent number: 4634687Abstract: A cocatalyst employed with a titanium-containing catalyst, said titanium-containing catalyst comprising titanium atoms, halogen atoms, and an electron donor compound, said cocatalyst comprising(a) an organoaluminum compound represented by the formula R.sup.1 R.sup.2 R.sup.3 (wherein R.sup.1, R.sup.2, and R.sup.3 which may be the same or different, each denote a C.sub.1-20 alkyl, alkenyl, cycloalkyl, aryl, aralkyl, or alkoxy group, or a hydrogen atom;(b) an organoaluminum compound represented by the formula R.sub.3-n.sup.4 AlX.sub.n (wherein R.sup.4 denotes a C.sub.1-20 alkyl, alkenyl, cycloalkyl, aryl, aralkyl, or alkoxy group; X denotes a halogen atom; and n.gtoreq.1),(c) an electron donor compound containing a nitrogen atom, sulfur atom, oxygen atom, or phosphorus atom, and(d) an aromatic carboxylic acid ester.The catalyst is useful for the polymerization of olefins.Type: GrantFiled: December 19, 1985Date of Patent: January 6, 1987Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Masahito Fujita, Masami Kizaki, Makoto Miyazaki, Naomi Inaba
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Patent number: 4625003Abstract: A titanium halide containing catalyst component for polymerization of olefins which is prepared by reacting a magnesium hydrocarbyloxide with a silicon compound having at least one hydrogen-silicon bond, contacting the reaction product with an electron donor compound, contacting the resulting contact product two or more times with a titanium halide and between one of the multiple titanium halide contacts, contacting the titanium halide contacted solid with a halide of an element selected from the group consisting of elements of Groups IIIa, IVa, and Va of the Periodic Table of elements.Type: GrantFiled: August 30, 1985Date of Patent: November 25, 1986Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Masafumi Imai, Tadashi Yamamoto, Hiroyuki Furuhashi, Hiroshi Ueno, Naomi Inaba
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Patent number: 4613581Abstract: A solid titanium containing catalyst component for use in olefin polymerization said component prepared by contacting a magnesium alkoxide, a halogenated hydrocarbon, an electron donor and a titanium compound with one another. In preferred embodiments, the magnesium alkoxide is first contacted with a magnesium halide. The solid titanium containing compound can be treated with an organoaluminum compound.Type: GrantFiled: August 23, 1985Date of Patent: September 23, 1986Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Kouji Maruyama, Takeshi Nomura, Hiroshi Ueno, Naomi Inaba
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Patent number: 4595735Abstract: A catalyst component for the polymerization of olefins and particularly ethylene which is prepared by contacting a contact product of a magnesium alkoxide, a halogenated hydrocarbon, a halogenated silane with a titanium compound. The catalyst component in combination with a organoaluminium cocatalyst is useful for the polymerization of ethylene having a high melt index.Type: GrantFiled: September 23, 1985Date of Patent: June 17, 1986Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Takeshi Nomura, Kouji Maruyama, Hiroshi Ueno, Naomi Inaba
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Patent number: 4590325Abstract: A titanium halide containing catalyst component for polymerization of olefins which is prepared by reacting a magnesium hydrocarbyloxide with a silicon compound having a hydrogen-silicon bond, contacting the reaction product with an electron donor compound, contacting the resulting contact product two or more times with a titanium halide and between one of the multiple titanium halide contacts, contacting the titanium halide contacted solid with a halogenated hydrocarbon.Type: GrantFiled: August 15, 1985Date of Patent: May 20, 1986Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Masafumi Imai, Tadashi Yamamoto, Hiroyuki Furuhashi, Hiroshi Ueno, Naomi Inaba
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Patent number: 4588793Abstract: A titanium-containing catalyst component for polymerization of olefins which is prepared by reacting a magnesium hydrocarbyl oxide with a silicon compound having a hydrogen-silicon bond, contacting the reaction product with an electron donor compound, contacting the resulting contact product with an organoaluminum compound and further with a titanium compound.Type: GrantFiled: August 15, 1985Date of Patent: May 13, 1986Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Masafumi Imai, Tadashi Yamamoto, Hiroyuki Furuhashi, Hiroshi Ueno, Naomi Inaba
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Patent number: 4565798Abstract: A process for polymerizing olefins in the presence of a catalyst composed of:(A) a catalyst component obtained by contacting with one another,(a) a magnesium alkoxide,(b) a silicon compound having a hydrogen-silicon bond,(c) an electron donor compound, and(d) a titanium compound(B) an organic compound of a metal of Groups I and III of the Periodic Table, and(C) an organo silicon compound represented by the formula R.sub.q.sup.9 SiX.sub.g.sup.2 (OR.sup.10).sub.k wherein R.sup.9 and R.sup.10 are the same or different hydrocarbon groups, X.sub.2 is a halogen atom, 0.ltoreq.q<4, 0.ltoreq.g<4, 0<k.ltoreq.4, and q+g+k=4.Type: GrantFiled: November 19, 1984Date of Patent: January 21, 1986Assignee: TOA Nenryo Kogyo Kabushiki KaishaInventors: Tadashi Yamamoto, Hiroyuki Furuhashi, Masafumi Imai, Hiroshi Ueno, Naomi Inaba
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Patent number: 4557991Abstract: There is disclosed a toner for development of electrostatic image which comprises a binder resin selected from the group consisting of a polyester resin, a vinyl polymer, a styrene-butadiene copolymer, a styrene polymer, a styrene-containing copolymer and a polymer containing a reactive prepolymer; and a wax comprising a polyolefin.The toner of the present invention has excellent non-offset properties and a very low minimum fixing temperature, has high fluidity and has excellent developing and transfer properties.Type: GrantFiled: March 12, 1984Date of Patent: December 10, 1985Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Hiroyuki Takagiwa, Jiro Takahashi, Meizo Shirose, Naomi Inaba, Megumi Seki
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Patent number: 4552858Abstract: A titanium halide containing catalyst component for polymerization of olefins which is prepared by reacting a magnesium hydrocarbyloxide with a silicon compound having at least one hydrogen-silicon bond, contacting the reaction product with an electron donor compound, contacting the resulting contact product two or more times with a titanium halide and between one of the multiple titanium halide contacts, contacting the titanium halide contacted solid with a halide of an element selected from the group consisting of elements of Groups IIIa, IVa, and Va of the Periodic Table of elements.Type: GrantFiled: August 20, 1984Date of Patent: November 12, 1985Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Masafumi Imai, Tadashi Yamamoto, Hiroyuki Furuhashi, Hiroshi Ueno, Naomi Inaba
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Patent number: 4550095Abstract: A titanium halide containing catalyst component for polymerization of olefins which is prepared by reacting a magnesium hydrocarbyloxide with a silicon compound having a hydrogen-silicon bond, contacting the reaction product with an electron donor compound, contacting the resulting contact product two or more times with a titanium halide and between one of the multiple titanium halide contacts, contacting the titanium halide contacted solid with a halogenated hydrocarbon.Type: GrantFiled: August 20, 1984Date of Patent: October 29, 1985Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Masafumi Imai, Tadashi Yamamoto, Hiroyuki Furuhashi, Hiroshi Ueno, Naomi Inaba
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Patent number: 4544648Abstract: A catalyst component for the polymerization of olefins and particularly ethylene which is prepared by contacting a contact product of a magnesium alkoxide, a halogenated hydrocarbon, a halogenated silane with a titanium compound. The catalyst component in combination with a organoaluminum cocatalyst is useful for the polymerization of ethylene having a high melt index.Type: GrantFiled: May 29, 1984Date of Patent: October 1, 1985Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Takeshi Nomura, Kouji Maruyama, Hiroshi Ueno, Naomi Inaba