Patents by Inventor Kosuke Takebayashi

Kosuke Takebayashi 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).

  • Patent number: 11014872
    Abstract: 1-Aminocyclopropanecarboxylic acid non-hydrate can be obtained by treating 1-aminocyclopropanecarboxylic acid hydrochloride with a tertiary amine in the presence of a C3-C4 alcohol and water, keeping the reaction mixture at 50° C. or below, collecting the precipitated crystal of 1-aminocyclopropanecarboxylic acid 0.5 hydrate by filtration, and contacting the obtained crystal with a C1-C2 alcohol.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: May 25, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Mitsunobu Kawamura, Hiroaki Okamoto, Kosuke Takebayashi
  • Publication number: 20210139413
    Abstract: 1-Aminocyclopropanecarboxylic acid non-hydrate can be obtained by treating 1-aminocyclopropanecarboxylic acid hydrochloride with a tertiary amine in the presence of a C3-C4 alcohol and water, keeping the reaction mixture at 50° C. or below, collecting the precipitated crystal of 1-aminocyclopropanecarboxylic acid 0.5 hydrate by filtration, and contacting the obtained crystal with a C1-C2 alcohol.
    Type: Application
    Filed: May 2, 2018
    Publication date: May 13, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Mitsunobu KAWAMURA, Hiroaki OKAMOTO, Kosuke TAKEBAYASHI
  • Patent number: 10448640
    Abstract: A type 2 crystal of 2-(3-ethanesulfonylpyridin-2-yl)-5-(trifluoromethanesulfonyl)benzoxazole having diffraction peaks at 2?=14.0±0.2°, 14.3±0.2°, 16.5±0.2°, 16.9±0.2°, 17.6±0.2°, 18.8±0.2°, 19.9±0.2°, and 22.3±0.2° in powder X-ray diffraction using Cu-K? radiation is a stable crystal.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: October 22, 2019
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takashi Miyamoto, Kosuke Takebayashi
  • Publication number: 20180368407
    Abstract: A type 2 crystal of 2-(3-ethanesulfonylpyridin-2-yl)-5-(trifluoromethanesulfonyl)benzoxazole having diffraction peaks at 2?=14.0±0.2°, 14.3±0.2°, 16.5±0.2°, 16.9±0.2°, 17.6±0.2°, 18.8±0.2°, 19.9±0.2°, and 22.3±0.2° in powder X-ray diffraction using Cu-K? radiation is a stable crystal.
    Type: Application
    Filed: December 12, 2016
    Publication date: December 27, 2018
    Inventors: Takashi MIYAMOTO, Kosuke TAKEBAYASHI
  • Publication number: 20180282260
    Abstract: The present invention is directed to 1-aminocyclopropane-1-carboxylic acid polymorphs and agricultural compositions thereof.
    Type: Application
    Filed: March 29, 2018
    Publication date: October 4, 2018
    Inventors: Mitsunobu Kawamura, Daniel F. Heiman, Kosuke Takebayashi, Gary T. Wang