Patents by Inventor Hirokuni Inque

Hirokuni Inque 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).

  • CATIONIC DYEABLE POLYURETHANE ELASTIC YARN AND METHOD OF PRODUCTION
    Publication number: 20100130083
    Abstract: Disclosed is a polyurethane elastic yarn which is excellent in elongation, resilience, heat resistance, alkali resistance, chemical resistance, and capability of being dyed with a cationic dye and which is suitable for use in a stretch cloth, a wearing apparel or the like. The polyurethane elastic yarn comprises: an elastic yarn comprising a polyurethane mainly composed of a polymer diol and a diisocyanate; and a polymer of a compound having a sulfonate group contained in the elastic yarn.
    Type: Application
    Filed: December 13, 2007
    Publication date: May 27, 2010
    Applicant: INVISTA North America S.a.r.l.
    Inventors: Toshihiro Tanaka, Hirokuni Inque, Masahi Hara, Tatsuaki Kanbayashi