Patents by Inventor Takahito TSUJIMOTO

Takahito TSUJIMOTO 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).

  • Aqueous composition
    Patent number: 11571737
    Abstract: According to an aspect of the present invention, an aqueous composition contains at least one selected from a group consisting of a carboxylic acid compound represented by the following formula (1), a carboxylic anhydride represented by the following formula (2), and a trimellitic anhydride; a basic compound; and water. In the formula (1), “R” represents an alkanediyl group having 2 to 4 carbons, a vinylene group, or a benzene ring, and “a” represents 2 or 3. In the formula (2), “R” represents an alkanediyl group having 2 to 4 carbons, a vinylene group, or a benzene ring.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: February 7, 2023
    Assignee: MORESCO CORPORATION
    Inventors: Takahito Tsujimoto, Hiroaki Tomimatsu, Teruaki Yokoo
  • AQUEOUS COMPOSITION
    Publication number: 20210276075
    Abstract: According to an aspect of the present invention, an aqueous composition contains at least one selected from a group consisting of a carboxylic acid compound represented by the following formula (1), a carboxylic anhydride represented by the following formula (2), and a trimellitic anhydride; a basic compound; and water. In the formula (1), “R” represents an alkanediyl group having 2 to 4 carbons, a vinylene group, or a benzene ring, and “a” represents 2 or 3. In the formula (2), “R” represents an alkanediyl group having 2 to 4 carbons, a vinylene group, or a benzene ring.
    Type: Application
    Filed: June 21, 2019
    Publication date: September 9, 2021
    Applicant: MORESCO CORPORATION
    Inventors: Takahito TSUJIMOTO, Hiroaki TOMIMATSU, Teruaki YOKOO