Patents by Inventor Chang Yihua

Chang Yihua 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).

  • Airbag dyeing compositions and processes
    Patent number: 7611547
    Abstract: A process for dyeing a thermoplastic elastomeric substrate comprising immersing the substrate into a dye system comprising at least one metal complex dye and a solvent system comprising water and an organic solvent. The organic solvent may be soluble, partially miscible with water or insoluble or nearly insoluble in water. In particular, the substrate is an inflated bladder such as an airbag used in athletic shoes.
    Type: Grant
    Filed: October 30, 2006
    Date of Patent: November 3, 2009
    Assignee: Nike, Inc.
    Inventors: Anna Bracken, Chang Yihua
  • Airbag dyeing compositions and processes
    Publication number: 20080098536
    Abstract: A process for dyeing a thermoplastic elastomeric substrate comprising immersing the substrate into a dye system comprising at least one metal complex dye and a solvent system comprising water and an organic solvent. The organic solvent may be soluble, partially miscible with water or insoluble or nearly insoluble in water. In particular, the substrate is an inflated bladder such as an airbag used in athletic shoes.
    Type: Application
    Filed: October 30, 2006
    Publication date: May 1, 2008
    Applicant: Nike, Inc.
    Inventors: Anna Bracken, Chang Yihua