Patents by Inventor Keigo Yoshikawa

Keigo Yoshikawa 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: 20210261708
    Abstract: Provided is an aqueous resin composition that is capable of forming a film having excellent balance in solvent resistance, water resistance, flexibility, stretchability, and strength. An aqueous resin composition of the invention, contains: a composite resin (A); and an aqueous medium (B), in which the composite resin (A) has a polymer (A1) unit having a unit represented by Formula (1) and a polymer (A2) unit represented by Formula (3). [R1s each represent a hydrogen atom, a halogen atom, a phenyl group, or a methyl group. R2 represents a hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms. R7 represents a ml-valent hydrocarbon group having 1 to 20 carbon atoms. R8 represents one type of R10[-L1-(R11—O—)n1]n2—; —O(—R11—CO—O)n3—; —O(—R11—O—CO—R11—CO—O)n4—; —O(—R11—O—CO—O)n5—; —O(—R12)n6—O—; —O—R11—O—, and a group obtained by combining such groups.
    Type: Application
    Filed: May 9, 2019
    Publication date: August 26, 2021
    Applicant: DIC Corporation
    Inventors: Junichi Miyake, Keigo Yoshikawa, Sadamu Nagahama