Patents by Inventor William Feast

William Feast 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).

  • Patent number: 6340732
    Abstract: Provided is a method for synthesizing a poly(arylene vinylene), which method comprises selecting a vinyl monomer by controlling the ratio of cis isomer to trans isomer in the monomer, and forming the poly(arylene vinylene) from the resulting vinyl monomer, such that the desired cis vinylene to trans vinylene ratio is obtained in the poly(arylene vinylene) product.
    Type: Grant
    Filed: March 31, 1999
    Date of Patent: January 22, 2002
    Assignee: Cambridge Display Technology Limited
    Inventors: William Feast, Rusli Daik, Richard Henry Friend, Franco Cacialli