Patents by Inventor Yusuke MIWA

Yusuke MIWA 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).

  • Method for producing cinnamic acid ester compound
    Patent number: 11021431
    Abstract: A method for producing a cinnamic acid ester derivative includes reacting a cinnamic acid derivative compound represented by the formula (1), wherein the symbols are as defined in the description, with an alcohol compound represented by the formula: R6OH, wherein the symbol is as defined in the description, in the presence of a strong acid resin catalyst without using a solvent. As the cinnamic acid derivative compound, cinnamic acid, ferulic acid, and caffeic acid are preferred, and as the alcohol compound, methanol, ethanol, propanol, butanol, pentanol, hexanol, ethylene glycol, glycerol, phenethyl alcohol, and a monosaccharide are preferred.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: June 1, 2021
    Assignee: TOHOKU UNIVERSITY
    Inventors: Naomi Kitakawa, Kousuke Hiromori, Yusuke Miwa
  • METHOD FOR PRODUCING CINNAMIC ACID ESTER COMPOUND
    Publication number: 20200123094
    Abstract: A method for producing a cinnamic acid ester derivative includes reacting a cinnamic acid derivative compound represented by the formula (1), wherein the symbols are as defined in the description, with an alcohol compound represented by the formula: R6OH, wherein the symbol is as defined in the description, in the presence of a strong acid resin catalyst without using a solvent. As the cinnamic acid derivative compound, cinnamic acid, ferulic acid, and caffeic acid are preferred, and as the alcohol compound, methanol, ethanol, propanol, butanol, pentanol, hexanol, ethylene glycol, glycerol, phenethyl alcohol, and a monosaccharide are preferred.
    Type: Application
    Filed: June 15, 2018
    Publication date: April 23, 2020
    Applicant: TOHOKU UNIVERSITY
    Inventors: Naomi KITAKAWA, Kousuke HIROMORI, Yusuke MIWA