Patents by Inventor Philippe Eric Stevens

Philippe Eric Stevens 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).

  • Halogen-free phosphorous-containing flame-resistant epoxy resin compositions
    Patent number: 6500546
    Abstract: Curable flame-resistant substantially halogen free epoxy resin compositions, comprising: (a) one or more bifunctional or polyfunctional epoxy resin; (b) a specific phosphorous-containing compound; (c) a curing agent consisting of oligomers of styrene and maleic acid and/or maleic anhydride and/or salts or esters of maleic acid; (d) a curing catalyst; and optionally; (e) additives; prepregs derived from said compositions and laminates derived from said prepregs.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: December 31, 2002
    Assignee: Resolution Performance Products LLC
    Inventors: Francoise Marie Louise Heine, Jean Andre Alfred Riviere, Philippe Eric Stevens, Helga Leontina Andrea De Velder