Patents by Inventor Alfred Wing Yan Chien

Alfred Wing Yan Chien 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).

  • Thermoplastic elastomer composition
    Patent number: 6262175
    Abstract: A thermoplastic elastomer composition containing in percentages by weight based on the total weight of the composition, about 5% to about 90% vulcanized rubber crumb; about 5% to about 60% polyolefin; about 2% to about 30% uncured rubber or styrene-based thermoplastic elastomer; and about 2% to about 30% vinyl polymer selected from vinyl homopolymers, copolymers and mixtures. The composition in total contains less than 15% styrene block copolymer.
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: July 17, 2001
    Assignee: NRI Technology Inc.
    Inventors: James R. Jury, Alfred Wing Yan Chien