Patents by Inventor Takashi Sunamori
Takashi Sunamori 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: 8026308Abstract: A process for producing a solid dispersion comprising a resin and a functional compound dispersed therein, which comprises: kneading a powdery functional compound together with deionized water while gradually introducing the deionized water; adding a resin and, according to need, an additive to the mixture; subsequently heating and kneading the resultant mixture in a vessel which has an atmosphere causing the resin to soften at a temperature not higher than the boiling point of the deionized water and which has been tightly closed according to need so as to function like a pressure cooker to thereby disperse the functional compound into the softened resin; and kneading the resultant dispersion with heating at ordinary pressure or a reduced pressure to remove the water by vaporization.Type: GrantFiled: March 8, 2005Date of Patent: September 27, 2011Assignee: Taisei Chemical Industries, Ltd.Inventors: Takashi Sunamori, Kiyoshi Shingae, Kazuo Yanauchi
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Patent number: 7993592Abstract: A continuous polymerization apparatus is provided for producing an amphoteric electrolyte resin by continuous bulk polymerization at low cost, which apparatus includes a reaction vessel, the reaction vessel including at least four polymerization zones adjacent to each other in series, each polymerization zone being separated by a partition plate, the partition plates admitting a stirring shaft with stirrers, each of the polymerization zones having a thermosensor for sensing temperature within the polymerization zone, a heating device for heating the polymerization zone and a cooling device for cooling the polymerization zone.Type: GrantFiled: December 29, 2010Date of Patent: August 9, 2011Assignee: Taisei Chemical Industries, Ltd.Inventors: Takashi Sunamori, Akira Otsuki, Akihiko Itaya
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Publication number: 20110158856Abstract: A continuous polymerization apparatus is provided for producing an amphoteric electrolyte resin by continuous bulk polymerization at low cost, which apparatus includes a reaction vessel, the reaction vessel including at least four polymerization zones adjacent to each other in series, each polymerization zone being separated by a partition plate, the partition plates admitting a stirring shaft with stirrers, each of the polymerization zones having a thermosensor for sensing temperature within the polymerization zone, a heating device for heating the polymerization zone and a cooling device for cooling the polymerization zone.Type: ApplicationFiled: December 29, 2010Publication date: June 30, 2011Inventors: Takashi SUNAMORI, Akira Otsuki, Akihiko Itaya
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Patent number: 7879957Abstract: A process for producing an amphoteric electrolyte resin by continuous bulk polymerization at low cost is provided. Also provided is an apparatus for achieving the process. The process comprises the steps of: feeding, from the mixture supply side, a mixture comprising 0.01 to 10 wt % of at least one radically polymerizable basic monomer containing a nitrogen atom, 0.01 to 35 wt % of at least one radically polymerizable acidic monomer having a carboxyl group and 45 to 99.98 wt % of a monomer capable of copolymerizing with these monomers.Type: GrantFiled: March 28, 2005Date of Patent: February 1, 2011Assignee: Taisei Chemical Industries, Ltd.Inventors: Takashi Sunamori, Akira Otsuki, Akihiko Itaya
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Publication number: 20090131610Abstract: A process for producing an amphoteric electrolyte resin by continuous bulk polymerization at low cost is provided. Also provided is an apparatus for achieving the process. The process comprises the steps of: feeding, from the mixture supply side, a mixture comprising 0.01 to 10 wt % of at least one radically polymerizable basic monomer containing a nitrogen atom, 0.01 to 35 wt % of at least one radically polymerizable acidic monomer having a carboxyl group and 45 to 99.98 wt % of a monomer capable of copolymerizing with these monomers or a mixture of the mixture and a polymerization initiator and/or an organic solvent having a boiling point of 80° C.Type: ApplicationFiled: March 28, 2005Publication date: May 21, 2009Applicant: TAISEI CHEMICAL INDUSTRIES, LTD.Inventors: Takashi Sunamori, Akira Otsuki, Akihiko Itaya
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Patent number: 7361700Abstract: There is provided a method for producing colorants which can exhibit excellent color development even in a small amount and are low in thixotropy. The constituent feature of the present invention comprises: enhancing the molecular extinction coefficient of the coloring matter substance by ion exchanging method, to afford a room for increasing B (resin) of P/B; then a composition is designed and employed to enhance the effect increasing the polar group concentration which is a role of resin and the quality of the effect; it thus becomes possible to achieve the limit value of the molecular extinction coefficient as much as possible and to eliminate the factors adversely affecting the present process.Type: GrantFiled: December 12, 2003Date of Patent: April 22, 2008Assignee: Taisei Chemical Industries, Ltd.Inventors: Takashi Sunamori, Fumiyuki Kadowaki, Koichi Noguchi, Hideto Uchida, Kazuki Torinoumi
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Publication number: 20070238811Abstract: A process for producing a solid dispersion comprising a resin and a functional compound dispersed therein, which comprises: kneading a powdery functional compound together with deionized water while gradually introducing the deionized water; adding a resin and, according to need, an additive to the mixture; subsequently heating and kneading the resultant mixture in a vessel which has an atmosphere causing the resin to soften at a temperature not higher than the boiling point of the deionized water and which has been tightly closed according to need so as to function like a pressure cooker to thereby disperse the functional compound into the softened resin; and kneading the resultant dispersion with heating at ordinary pressure or a reduced pressure to remove the water by vaporization.Type: ApplicationFiled: March 8, 2005Publication date: October 11, 2007Inventors: Takashi Sunamori, Kiyoshi Shingae, Kazuo Yanauchi
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Patent number: 7108728Abstract: The present invention provides a colorant for inkjet inks which is free from mechanical selectivity, high in light-durability, high in reliability and low in cost. By paying attention to the chemical properties of coloring matter substances and utilizing the technical rules accumulated in the past faithfully to the properties of the coloring matter substances, an epoch-making process for producing fine-particulate colorants by a method comprising five simple steps is provided.Type: GrantFiled: December 12, 2003Date of Patent: September 19, 2006Assignee: Taisei Chemical Industries, Ltd.Inventors: Takashi Sunamori, Fumiyuki Kadowaki, Hirofumi Ijiri
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Publication number: 20040205911Abstract: The present invention provides a colorant for inkjet inks which is free from mechanical selectivity, high in light-durability, high in reliability and low in cost.Type: ApplicationFiled: December 12, 2003Publication date: October 21, 2004Inventors: Takashi Sunamori, Fumiyuki Kadowaki, Hirofumi Ijiri
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Publication number: 20040204514Abstract: There is provided a method for producing colorants which can exhibit excellent color development even in a small amount and are low in thixotropy.Type: ApplicationFiled: December 12, 2003Publication date: October 14, 2004Inventors: Takashi Sunamori, Fumiyuki Kadowaki, Koichi Noguchi, Hideto Uchida, Kazuki Torinoumi
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Publication number: 20030072871Abstract: A process for producing a weather resistant coating film which can keep a gloss retention of 80% or more for 1,000 hours or more in an accelerated weathering test by a carbon sunshine weather-o-meter by preparing a weather resistant coating material comprising a binder and a curing agent as main constituents and coating an article to be coated with the coating material, followed by drying, which process comprisesType: ApplicationFiled: June 19, 2002Publication date: April 17, 2003Inventors: Takayoshi Yamazaki, Takashi Sunamori
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Publication number: 20020090451Abstract: A process for producing a weather resistant coating film which can keep a gloss retention of 80% or more for 1,000 hours or more in an accelerated weathering test by a carbon sunshine weather-o-meter by preparing a weather resistant coating material comprising a binder and a curing agent as main constituents and coating an article to be coated with the coating material, followed by drying, which process comprisesType: ApplicationFiled: May 25, 2001Publication date: July 11, 2002Inventors: Takayoshi Yamazaki, Takashi Sunamori
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Patent number: 6177065Abstract: Disclosed is a method for producing an aqueous nail enamel composition comprising the following procedure: an aqueous mixture which comprises, as essential components, water and a pigment of 3 &mgr;m or less in average particle size at a concentration of the pigment of 60% or less and is previously subjected to contact treatment with a substance having an ion exchangeability is kneaded under heating with a polyester polymer having a chemical structure containing a phenyl group and having a weight-average molecular weight of 2000-20000 and a softening point of 120° C.Type: GrantFiled: July 14, 1999Date of Patent: January 23, 2001Assignee: Taisei Chemical Industries, Ltd.Inventors: Masahiro Sekine, Mitsuo Tamazawa, Takashi Sunamori
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Patent number: 6136907Abstract: There are provided a finely dispersed material of a functional compound such as pigment or the like in the state of its inherent average particle diameter and a process for producing a finely dispersed material of a functional compound into a binder resin, in which the compound is dispersed in the state of its inherent average particle diameter not more than 3 microns, in spite of using the functional compound having an apparently large average particle diameter by agglomeration in comparison with the inherent average particle diameter of the compound, wherein when the above compound before dispersion is apparently in the dry state, de-ionized water is added thereto to form a hydrous paste of the compound and then this hydrous paste is contacted with a substance having an ion-exchange function selected depending upon the properties of the impurity ions contained in the above functional compound in a mixed solvent composed of de-ionized water and an organic solvent miscible with water to remove the impurity ioType: GrantFiled: August 26, 1998Date of Patent: October 24, 2000Assignee: Taisei Chemical Industries, Ltd.Inventors: Takashi Sunamori, Kyozo Yoshino, Kiyoshi Shingae, Kazuhisa Yamaguchi, Shigekazu Suzuki, Fujio Takiguchi, Takeo Moriyama
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Patent number: 5568267Abstract: A simple instrument for measuring the transmittance of a film impregnated with a pyridylazo-2-naphthol or dimethylphenylazo-2-naphthol dye having a continuous absorption spectrum having a plurality of absorption peaks in the wavelength range of from 350 to 800 nm, which comprises a light-emitting diode having a peak of relative emission intensity in the vicinity of a wavelength of 450 nm; a means for allowing the diode to emit a light and adjusting the quantity of the light; a band-pass filter which consists essentially of a resin film or glass plate coated with a coating composition composed essentially of at least one pigment selected from the group consisting of a Phthalocyanine Blue pigment and an organic violet pigment finely dispersed in a binder resin, and which has a peak of transmittance in the range of from 330 to 480 nm, the transmittance at the peak being 40% or more the transmittances at 260 nm or less and 520 nm or more being 1% or less, said band-pass filter being placed in such a position thatType: GrantFiled: May 31, 1995Date of Patent: October 22, 1996Assignee: Taisei Chemical Industries, Ltd.Inventors: Takashi Sunamori, Hiroshi Sato, Masakazu Hirose, Kazuo Yanauti
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Patent number: 4146588Abstract: An aerobic composition which comprises (A), (B), (C), (D) and (E) and which begins to polymerize upon coming in contact with oxygen, wherein said components are;(A): at least one compound selected from (1) trivalent cerium compounds and (2) chelated trivalent cerium compounds,(B): when (A) is (1) a compound capable of forming a chelate with trivalent cerium ion and with tetravalent cerium ion and when (A) is (2), a compound capable of forming a chelate with tetravalent cerium ion,(C): at least one reducing sulfur compound capable of producing ions represented by S.sub.x O.sub.y.sup..dbd., wherein x and y are integers such that 1.ltoreq.x.ltoreq.6 and 1.ltoreq.y.ltoreq.7, or R.sub.6 SO.sub.2.sup.- ions, wherein R.sub.6 is an alkyl group of 1-15 carbon atoms, C.sub.6 H.sub.5 (CH.sub.2).sub.n.sup.- (wherein n is 1-3) or Y-C.sub.6 H.sub.4 (wherein Y is H, CH.sub.3, Cl, Br, CN, CH.sub.3 O, C.sub.2 H.sub.5 O, CH.sub.3 CONH, NO.sub.Type: GrantFiled: April 11, 1977Date of Patent: March 27, 1979Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Takashi Sunamori, Noburu Nishii
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Patent number: 4129545Abstract: Disclosed is a solid thermoplastic acrylic copolymer having a weight average molecular weight of 4,000 to 30,000 for the use as a material for powder paint capable of forming a smooth surface which is produced by copolymerizing, preferably in a suspension copolymerization method, comprising(1) 3 to 30% by weight of at least one comonomer of the formula (I'): ##STR1## (2) 1 to 50% by weight of at least one comonomer selected from the compounds of the formulae (II') and (III'): ##STR2## and (3) 20 to 96% by weight of at least one comonomer of the formula (IV'): ##STR3## wherein R.sub.1, R.sub.1a and R.sub.1b are respectively a hydrogen atom or methyl group, R.sub.2 is an alkyl group of C.sub.1-8 or a cycloalkyl group of C.sub.6-8, R.sub.3 is an alkylene group of C.sub.2-6, R.sub.4 is an aliphatic group of C.sub.2-12 optionally containing a carboxyl group or an aromatic group of C.sub.6-12 optionally containing a carboxyl group, R.sub.5 is an aliphatic group of C.sub.Type: GrantFiled: November 8, 1977Date of Patent: December 12, 1978Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Takashi Sunamori, Koji Matsushima, Susumu Tanaka
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Patent number: 4107156Abstract: A gel polymer of vinyl compounds suitable for use as a coating is prepared by mixing the following four components [A], [B], [C] and [D],Component [A], an aqueous composition comprising an aqueous solvent and at least one selected from the group consisting of water-soluble or water-dispersible vinyl compounds,Component [B], at least one compound having at least one functional group selected from the groups consisting of hydroxyl group, amino group, quaternary ammonium group, aldehyde group, mercapto group and a group capable of producing a hydroxyl group aldehyde group, mercapto group or amino group in an aqueous medium,Component [C], at least one compound capable of producing ferric ion or ceric ion in an aqueous medium and,Component [D], at least one sulfur compound capable of producing S.sub.x O.sub.y.sup.Type: GrantFiled: June 30, 1975Date of Patent: August 15, 1978Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Takashi Sunamori, Noboru Nishii
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Patent number: 4051004Abstract: A method for the electrodeposition coating of an article by use of an alternating current, characterized in that an electrodeposition coating vessel is filled with an aqueous solution or dispersion of an electrodeposition coating composition, which contains as a paint binder (i) a salt of a polycarboxylic acid resin containing 5 wt% or less of low molecular weight acidic impurities, or (ii) a salt of a nitrogen-containing basic resin containing 5 wt% or less of low molecular weight basic impurities, an article to be coated having an electrode area of S.sub.1 and an opposite electrode having an electrode area of S.sub.2, the electrode area ratio S.sub.1 /S.sub.2 being 1.5 to 300 are immersed in the above vessel, and an alternating current is impressed between the article to be coated and the opposite electrode, thereby depositing the aforesaid electrodeposition coating composition onto the article to be coated.Type: GrantFiled: June 19, 1975Date of Patent: September 27, 1977Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Takashi Sunamori, Sachio Obana
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Patent number: 4025828Abstract: A rectifier comprising a vessel filled with an aqueous solution or dispersion of a purified polyelectrolyte, and two electrodes immersed therein, wherein the ratio S.sub.1 /S.sub.2 of the area S.sub.1 of one electrode at the portion immersed in the aqueous solution or dispersion to the area S.sub.2 of the other electrode at the portion immersed in the aqueous solution is from 1.5 to 300. When the electrode having the immersed area S.sub.1 in the rectifier is connected through input terminals to an alternating current source, a direct current is obtained through output terminals from the other electrode.Type: GrantFiled: July 21, 1975Date of Patent: May 24, 1977Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Takashi Sunamori, Sachio Obana