Patents by Inventor Mitsuru Uno

Mitsuru Uno 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).

  • Publication number: 20210317359
    Abstract: A corrosion inhibitor composition, containing (a) a cinnamaldehyde compound, (b) an alkoxylated fatty amine, and (c) an imidazoline compound, and optionally (d) a surfactant, and (e) a solvent. A method of inhibiting corrosion of metal in contact with an acidic medium in an oil or gas field environment by introducing the corrosion inhibitor composition into the acidic medium, such as during acid stimulation operations.
    Type: Application
    Filed: August 21, 2019
    Publication date: October 14, 2021
    Applicants: Kao Corporation, CHEMEOR, INC.
    Inventors: Fei MENG, Mitsuru UNO, Yongchun TANG, Lucino GONZÁLEZ RAMEÑO
  • Publication number: 20210253938
    Abstract: A method of inhibiting corrosion of metal in contact with a corrosive mixture in an oil or gas field environment involving introducing a corrosion inhibitor composition into the corrosive mixture, the corrosion inhibitor composition including a nitrogen-containing compound having an alkyl amine group or an alkyl quaternary ammonium salt group, and at least one sulfur-containing compound selected from the group consisting of mercaptobenzothiazole, mercaptobenzoimidazole, a thioglycol compound, and a thiourea compound.
    Type: Application
    Filed: August 27, 2019
    Publication date: August 19, 2021
    Applicants: KAO CORPORATION, CHEMEOR, INC.
    Inventors: Fei MENG, Mitsuru UNO, Yongchun TANG
  • Patent number: 8822735
    Abstract: The present invention relates to a process for producing polyglyceryl ether derivatives in which the polyglyceryl ether derivatives are produced from an alcohol (except for glycidol and glycerol) and glycidol in the presence of an aluminosilicate which is ion-exchanged with at least one cation selected from the group consisting of ammonium ions, alkali metal ions and alkali earth metal ions. In the process of the present invention, a removal step of the catalyst can be simplified, and the polyglyceryl ether derivatives can be produced in an economical and efficient manner.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: September 2, 2014
    Assignee: Kao Corporation
    Inventors: Takafumi Nishi, Mitsuru Uno, Akira Saito, Yuichiro Seki, Goushi Yamamoto
  • Publication number: 20120004470
    Abstract: The present invention relates to a process for producing an ether compound in a simplified, efficient manner, including the step of reacting a hydroxyl group-containing compound with an epoxy compound in the presence of an oxide of a metal of Group 4 of the Periodic Table on which a sulfate ion is supported, wherein a sum of a diffraction intensity of a (111) crystal lattice plane and a diffraction intensity of a (?111) crystal lattice place of the metal oxide is 2000 cps or larger as measured by subjecting the metal oxide to powder X-ray diffraction analysis.
    Type: Application
    Filed: February 18, 2010
    Publication date: January 5, 2012
    Applicant: KAO Corporation
    Inventors: Tomotaka Matsumoto, Takafumi Nishi, Mitsuru Uno
  • Publication number: 20110282103
    Abstract: The present invention relates to a process for producing polyglyceryl ether derivatives in which the polyglyceryl ether derivatives are produced from an alcohol (except for glycidol and glycerol) and glycidol in the presence of an aluminosilicate which is ion-exchanged with at least one cation selected from the group consisting of ammonium ions, alkali metal ions and alkali earth metal ions. In the process of the present invention, a removal step of the catalyst can be simplified, and the polyglyceryl ether derivatives can be produced in an economical and efficient manner.
    Type: Application
    Filed: January 28, 2010
    Publication date: November 17, 2011
    Applicant: KAO CORPORATION
    Inventors: Takafumi Nishi, Mitsuru Uno, Akira Saito, Yuichiro Seki, Goushi Yamamoto
  • Patent number: 7888517
    Abstract: The present invention relates to a process for producing glycidol from glycerol carbonate as a raw material with a high yield. The process for producing glycidol according to the present invention includes the steps of (1) reducing a content of a salt having a weak acidity in glycerol carbonate to 1500 ppm by mass or less; and (2) obtaining the glycidol from the glycerol carbonate.
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: February 15, 2011
    Assignee: Kao Corporation
    Inventors: Mitsuru Uno, Munehisa Okutsu
  • Publication number: 20110015414
    Abstract: The present invention relates to a process for producing glycidol from glycerol carbonate by subjecting the glycerol carbonate to decarboxylation reaction in the presence of a solvent containing no active hydrogen. In the process, glycidol can be produced from glycerol carbonate as a raw material of the glycidol with a high selectivity.
    Type: Application
    Filed: July 15, 2009
    Publication date: January 20, 2011
    Applicant: Kao Corporation
    Inventors: Yuichiro Seki, Tomoaki Sasa, Hiroki Takeuchi, Mitsuru Uno, Masanori Namba
  • Patent number: 7868192
    Abstract: The present invention relates to a process for producing glycidol from glycerol carbonate by subjecting the glycerol carbonate to decarboxylation reaction in the presence of a solvent containing no active hydrogen. In the process, glycidol can be produced from glycerol carbonate as a raw material of the glycidol with a high selectivity.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: January 11, 2011
    Assignee: KAO Corporation
    Inventors: Yuichiro Seki, Tomoaki Sasa, Hiroki Takeuchi, Mitsuru Uno, Masanori Namba
  • Publication number: 20100234646
    Abstract: The present invention relates to a process for producing a (poly)glyceryl ether which includes the step of reacting an alcohol with glycidol under a neutral condition. According to the process of the present invention, the (poly)glyceryl ether having a narrow molecular weight distribution can be produced with a high yield in a simplified manner.
    Type: Application
    Filed: March 22, 2007
    Publication date: September 16, 2010
    Inventors: Atsushi Nagasawa, Akira Saito, Mitsuru Uno
  • Publication number: 20090318718
    Abstract: The present invention relates to a process for producing glycidol from glycerol carbonate as a raw material with a high yield. The process for producing glycidol according to the present invention includes the steps of (1) reducing a content of a salt having a weak acidity in glycerol carbonate to 1500 ppm by mass or less; and (2) obtaining the glycidol from the glycerol carbonate.
    Type: Application
    Filed: June 14, 2007
    Publication date: December 24, 2009
    Inventors: Mitsuru Uno, Munehisa Okutsu
  • Patent number: 7141538
    Abstract: The present invention relates to a liquid detergent composition containing (a) a specific compound having one alkyl group selected from a 2-ethylhexyl group, an isononyl group and an isodecyl group, (b) anonionic surfactant having an alkyl or alkenyl group having 11 to 16 carbon atoms, (c) a hydrophobic organic solvent which is liquid at 20° C. and (d) water, wherein (c)/(d) and (c)+(d) are respectively in a specific range.
    Type: Grant
    Filed: April 7, 2004
    Date of Patent: November 28, 2006
    Assignee: Kao Corporation
    Inventors: Toshiharu Noguchi, Junya Hanai, Kazunori Tsukuda, Mitsuru Uno
  • Publication number: 20060252946
    Abstract: Provided is a catalyst for adding a glycidyl ether to an active hydrogen-containing organic compound, comprising a complex oxide of magnesium and at least one element other than magnesium selected from the group consisting of the elements in the third period and the fourth period in the periodic table. Also provided is a process for producing a glycidyl ether adduct, which comprises subjecting an active hydrogen-containing organic compound and a glycidyl ether to an addition reaction in the presence of the above-mentioned catalyst.
    Type: Application
    Filed: July 10, 2006
    Publication date: November 9, 2006
    Applicant: Kao Corporation
    Inventors: Atsushi Nagasawa, Mitsuru Uno, Tomohito Kitsuki
  • Patent number: 7098181
    Abstract: The invention provides a liquid detergent composition which is safe, has an excellent detergency and contains a hydrophobic organic solvent stable despite of a large water content. The present invention relates to a liquid detergent composition comprising (a) a specific compound having an alkyl or alkenyl group having 3 to 11 carbon atoms and a group having 4 to 30 carbon atoms in total and 2 to 10 hydroxy groups, (b) a hydrophobic organic solvent which is liquid at 20° C. and (c) water, wherein (b)/(c)=0.05/9.95 to 4/6 (mass ratio) and (b)+(c)=50 to 99 mass %.
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: August 29, 2006
    Assignee: Kao Corporation
    Inventors: Takumi Inoue, Kazunori Tsukuda, Mitsuru Uno
  • Publication number: 20050003989
    Abstract: The present invention relates to a liquid detergent composition containing (a) a specific compound having one alkyl group selected from a 2-ethylhexyl group, an isononyl group and an isodecyl group, (b) aknonionic surfactant having an alkyl or alkenyl group having 11 to 16 carbon atoms, (c) a hydrophobic organic solvent which is liquid at 20° C. and (d) water, wherein (c)/(d) and (c)+(d) are respectively in a specific range.
    Type: Application
    Filed: April 7, 2004
    Publication date: January 6, 2005
    Inventors: Toshiharu Noguchi, Junya Hanai, Kazunori Tsukuda, Mitsuru Uno
  • Publication number: 20040077904
    Abstract: Provided is a catalyst for adding a glycidyl ether to an active hydrogen-containing organic compound, comprising a complex oxide of magnesium and at least one element other than magnesium selected from the group consisting of the elements in the third period and the fourth period in the periodic table. Also provided is a process for producing a glycidyl ether adduct, which comprises subjecting an active hydrogen-containing organic compound and a glycidyl ether to an addition reaction in the presence of the above-mentioned catalyst.
    Type: Application
    Filed: August 28, 2003
    Publication date: April 22, 2004
    Applicant: Kao Corporation
    Inventors: Atsushi Nagasawa, Mitsuru Uno, Tomohito Kitsuki
  • Publication number: 20040023834
    Abstract: The invention provides a liquid detergent composition which is safe, has an excellent detergency and contains a hydrophobic organic solvent stable despite of a large water content. The present invention relates to a liquid detergent composition comprising (a) a specific compound having an alkyl or alkenyl group having 3 to 11 carbon atoms and a group having 4 to 30 carbon atoms in total and 2 to 10 hydroxy groups, (b) a hydrophobic organic solvent which is liquid at 20° C. and (c) water, wherein (b)/(c)=0.05/9.95 to 4/6 (mass ratio) and (b)+(c)=50 to 99 mass %.
    Type: Application
    Filed: May 13, 2003
    Publication date: February 5, 2004
    Applicant: KAO CORPORATION
    Inventors: Takumi Inoue, Kazunori Tsukuda, Mitsuru Uno
  • Patent number: 6437196
    Abstract: A process for producing a glyceryl ether which contains a markedly small amount of organohalogen compounds and therefore can be used even for cosmetics and body detergents. The process comprises reacting an alcohol with an &agr;-epihalohydrin in the presence of an acid catalyst, subjecting the reaction mixture to ring closure to convert it into the corresponding glycidyl ether and then hydrolyzing the glycidyl ether, wherein: (a) the hydrolysis is effected at 140 to 230° C. in the presence of a salt formed from a strongly basic compound and a weakly acidic compound, or (b) the reaction mixture after the hydrolysis is heated at 100 to 230° C. in the presence of a salt formed from a strongly basic compound and a weakly acidic compound.
    Type: Grant
    Filed: September 22, 2000
    Date of Patent: August 20, 2002
    Assignee: Kao Corporation
    Inventors: Tetsuya Miyajima, Mitsuru Uno
  • Patent number: 6372923
    Abstract: The present invention provides a process for preparing an alcohol derivative, where the alcohol derivative is an ester, acetal, ketal, ether glycoside, or alkyl glycoside, by reacting an alcohol with a carbonyl compound, alcohol, olefin, epoxy compound or saccharide, where C2-4 vicinal alkylene oxides are excluded, in the presence of (A) an aluminum alkoxide and (B) sulfuric acid or phosphoric acid.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: April 16, 2002
    Assignee: Kao Corporation
    Inventors: Mitsuru Uno, Munehisa Okutsu, Tomohito Kitsuki
  • Patent number: 6232283
    Abstract: The present invention provides a liquid detergent composition having high detergency without damaging styrene-based resin. The liquid detergent composition comprising (a) 0.1 to 50% by weight of a mixture of at least two different compounds from each other in view of their strutural isomers and/or their number of carbon atoms, selected from glyceryl-ether compounds having the formula (I): R—OCH2CH(OH)CH2OH (I) wherein R is an alkyl or alkenyl group having 1 to 11 carbon atoms; (b) 0.01 to 30% by weight of a surfactant; (c) 0.01 to 30% by weight of a builder or an alkali agent; and (d) the balance of water.
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: May 15, 2001
    Assignee: Kao Corporation
    Inventors: Takumi Inoue, Kazunori Tsukuda, Mitsuru Uno, Noriyuki Morii
  • Patent number: 6011071
    Abstract: To provide a novel ether compound which is useful such as an oil agent and a surfactant having the formula (I): R.sup.1 --O--(AO).sub.n --R.sup.2, wherein R.sup.1 is an alpha-branched alkyl group or an alkyl group having two or more branched chains or a cycloalkyl having 5 to 7 carbon atoms, R.sup.2 is an alkyl or alkenyl each being either branched or straight, each having 10 to 30 carbon atoms, A is an alkylene having 2 to 12 carbon atoms, n is a number from 0 to 30, A's being same as or different from one another.
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: January 4, 2000
    Assignee: Kao Corporation
    Inventors: Yasuyuki Fujii, Hisakazu Furugaki, Katsumi Kita, Hideharu Morimoto, Mitsuru Uno, Yasushi Kajihara