Patents by Inventor Tadashi Takimoto
Tadashi Takimoto 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: 9394412Abstract: A composite cured silicone powder comprising: (A) a cured silicone powder having an average particle size of 0.1 to 500 ?m, (B) an inorganic fine powder coated on the surface of said cured silicone powder and (C) a monohydric or polyhydric alcohol with a boiling point of at least 150° C. coating on the surface of component (A) and/or component (B). The composite cured silicone powder that has an excellent flowability, hydrophilicity, and dispersibility. And, this invention also relates to a production method of the composite, which is characterized by mixing components (A) to (C) under the condition of mechanical shearing.Type: GrantFiled: July 26, 2010Date of Patent: July 19, 2016Assignee: DOW CORNING TORAY CO., LTD.Inventors: Kazuo Kobayashi, Ryuji Tachibana, Tadashi Takimoto
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Patent number: 8603507Abstract: To provide a silicone oil emulsion that can improve the properties of cosmetic materials and that contains crosslinked silicone particles in water-dispersed silicone oil droplets; a method of producing this silicone oil emulsion; and a silicone oil composition thereof. This invention is a silicone oil emulsion comprising crosslinked silicone particles having an average particle size of 0.05 to 100 ?m in silicone oil droplets that are dispersed in water and that have an average particle size of 0.1 to 500 ?m wherein the silicone oil is an alkyl-modified silicone oil that has a silicon-bonded alkyl group having at least 4 carbons and the crosslinked silicone particles preferably have a silicon-bonded alkyl group having at least 4 carbons. Also, a silicone oil composition as provided by removing the water from this silicone oil emulsion.Type: GrantFiled: December 2, 2010Date of Patent: December 10, 2013Assignee: Dow Corning Toray Co., Ltd.Inventors: Yoshitsugu Morita, Tadashi Takimoto
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Publication number: 20120321679Abstract: To provide a method that efficiently produces a silicone oil composition in which cross-linked silicone particles uniformly dispersed in amino-modified silicone oil. This invention is a method of producing a silicone oil composition, characterized by removing water after mixing an aqueous suspension of cross-linked silicone particles having an average particle diameter in the range of 0.1 to 500 ?m with an aqueous emulsion of an amino-modified silicone oil having an average emulsion particle diameter in the range of 0.05 to 100 ?m.Type: ApplicationFiled: December 21, 2010Publication date: December 20, 2012Inventors: Yoshitsugu MORITA, Tadashi TAKIMOTO, Kazuo KOBAYASHI, Ryuji TACHIBANA
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Publication number: 20120301524Abstract: To provide a silicone oil emulsion that can improve the properties of cosmetic materials and that contains crosslinked silicone particles in water-dispersed silicone oil droplets; a method of producing this silicone oil emulsion; and a silicone oil composition thereof. This invention is a silicone oil emulsion comprising crosslinked silicone particles having an average particle size of 0.05 to 100 ?m in silicone oil droplets that are dispersed in water and that have an average particle size of 0.1 to 500 ?m wherein the silicone oil is an alkyl-modified silicone oil that has a silicon-bonded alkyl group having at least 4 carbons and the crosslinked silicone particles preferably have a silicon-bonded alkyl group having at least 4 carbons. Also, a silicone oil composition as provided by removing the water from this silicone oil emulsion.Type: ApplicationFiled: December 2, 2010Publication date: November 29, 2012Inventors: Yoshitsugu Morita, Tadashi Takimoto
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Publication number: 20120301525Abstract: This invention is related to a silicone oil emulsion comprising silicon-containing crosslinked particles in silicone oil droplets that are dispersed in water and have an average particle size of 0.1 to 500 ?m wherein the silicon-containing crosslinked particles have an average particle size of 0.05 to 100 ?m and are provided by the crosslinking of a crosslinkable composition comprising at least (A) a silicon-free organic compound that has at least two aliphatically unsaturated bonds in each molecule, (B) a silicon-containing organic compound that has at least two silicon-bonded hydrogen atoms in each molecule, and (C) a hydrosilylation reaction catalyst. The inventive silicone oil emulsion is characterized in that the silicone oil is an alkyl-modified silicone oil that has a silicon-bonded alkyl group having at least 4 carbons. This invention is also related to a silicone oil composition as provided by removing the water from this silicone oil emulsion.Type: ApplicationFiled: December 2, 2010Publication date: November 29, 2012Applicant: DOW CORNING TORAY CO., LTD.Inventors: Yoshitsugu Morita, Tadashi Takimoto
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Publication number: 20120237581Abstract: The present invention relates to a method of producing a silicone powder-containing oil composition, characterized by removing the water from a water-based emulsion of a silicone powder-containing oil composition while stirring this emulsion under reduced pressure with a stirring apparatus that has at least a stirring means that rotates at low speed along the inner wall of a container and a stirring means that rotates at high speed in the interior of the container.Type: ApplicationFiled: November 10, 2010Publication date: September 20, 2012Inventors: Tadashi Takimoto, Yoshitsugu Morita
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Publication number: 20120121909Abstract: A composite cured silicone powder comprising: (A) a cured silicone powder having an average particle size of 0.1 to 500 ?m, (B) an inorganic fine powder coated on the surface of said cured silicone powder and (C) a monohydric or polyhydric alcohol with a boiling point of at least 150° C. coating on the surface of component (A) and/or component (B). The composite cured silicone powder that has an excellent flowability, hydrophilicity, and dispersibility. And, this invention also relates to a production method of the composite, which is characterized by mixing components (A) to (C) under the condition of mechanical shearing.Type: ApplicationFiled: July 26, 2010Publication date: May 17, 2012Inventors: Kazuo Kobayashi, Ryuji Tachibana, Tadashi Takimoto
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Patent number: 6441105Abstract: A synthetic fiber treatment agent composition capable of providing synthetic fibers, particularly synthetic fiber padding, with a better hand, smoothness, repulsion, and the like. The composition comprises an amino group-containing polyorganosiloxane with a high amino group content and specific terminal groups, and an amino group-containing polydiorganosiloxane with a low amino group content or a polydiorganosiloxane with no amino groups.Type: GrantFiled: April 16, 2001Date of Patent: August 27, 2002Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Tsutomu Naganawa, Masaru Ozaki, Isao Ona, Tadashi Takimoto
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Patent number: 6409934Abstract: A polyester fiber treatment composition is capable of imparting good handle to polyester fiber, particularly polyester fiber wadding, padding, or fill, and consists of a water-based emulsion containing (A) an aminofunctional organopolysiloxane endblocked by alkoxy groups at its molecular chain terminals, (B) an aminofunctional organopolysiloxane endblocked by silanol groups at its molecular chain terminals, (C) a nonionic surfactant, and (D) water.Type: GrantFiled: October 23, 2000Date of Patent: June 25, 2002Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Tsutomu Naganawa, Isao Ona, Tadashi Takimoto
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Patent number: 6398860Abstract: A sizing agent composition for printing paper comprising (A) a water-soluble diorganopolysiloxane described by formula where each R is independently selected from the group consisting of a hydrogen atom, methyl group, and ethyl group, each R1 is an independently selected monovalent hydrocarbon group comprising 1 to 20 carbon atoms, Q is an organic group comprising an amino group or quaternary ammonium salt, m is an integer equal to or greater than 2, n is 0 or an integer equal to or greater than 1, and (m+n) is in the range of 2 to 100; (B) a sizing agent; and (C) water.Type: GrantFiled: August 4, 2000Date of Patent: June 4, 2002Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Isao Ona, Hiroki Ishikawa, Tadashi Takimoto, Tsutomu Naganawa
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Publication number: 20020019460Abstract: A synthetic fiber treatment agent composition capable of providing synthetic fibers, particularly synthetic fiber padding, with a better hand, smoothness, repulsion, and the like. The composition comprises an amino group-containing polyorganosiloxane with a high amino group content and specific terminal groups, and an amino group-containing polydiorganosiloxane with a low amino group content or a polydiorganosiloxane with no amino groups.Type: ApplicationFiled: April 16, 2001Publication date: February 14, 2002Applicant: Info.Disc., Citations, Cert. CopyInventors: Tsutomu Naganawa, Masaru Ozaki, Isao Ona, Tadashi Takimoto
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Patent number: 4576324Abstract: A gas pressure welding machine comprises a movable clamp means for clamping one of reinforcing rods to be joined together, a stationary clamp means for clamping the other reinforcing rod, a punching die for punching-shearing a bulge being formed around a joint portion of the reinforcing rods, and a key connection mechanism for detachably connecting the movable clamp means and the punching die, whereby the reinforcing rods are subjected to pressure butt welding to form a bulge around a joint portion thereof and the bulge is immediately punching-sheared under red heat by the punching die.Type: GrantFiled: January 23, 1985Date of Patent: March 18, 1986Assignees: Japanese National Railways, Hakusan Seisakusho Co., Ltd.Inventors: Tadashi Takimoto, Hirotsugu Oishibashi, Katsuyoshi Ueyama, Muneyuki Ohara, Akio Kobayashi, Keiichi Aoki, Mitsuo Nakamura, Kenzo Hagiwara
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Patent number: 4416158Abstract: A punching-shearing method for inspecting the quality of a butt welded joint comprises pressure butt welding steel members under heat to form an annular bulge around the joint portion of the steel members, punching-shearing the bulge under red heat immediately after the pressure butt welding process from one side of the bulge in parallel with the axes of the steel members by use of a shearing die having higher and lower shearing edge portions so that the higher shearing edge portions penetrate the bulge prior to the lower shearing edge portions, so as to cause the base of the bulge to remain around the joint portion in a slightly higher position than the peripheral surfaces of the steel members, and determining the quality of the joint portion from the peripheral surface of the base of the bulge remaining on the joint portion.Type: GrantFiled: February 3, 1982Date of Patent: November 22, 1983Assignees: Japanese National Railways, Hakusan Seissaku-sho Co., Ltd.Inventors: Tadashi Takimoto, Hirotsugu Oishibashi, Katsuyoshi Ueyama, Muneyuki Ohara, Mitsuo Nakamura, Takayoshi Amano