Patents by Inventor Denis D. Duchesne

Denis D. Duchesne 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).

  • Multi-layer articles including a fluoroplastic layer
    Patent number: 6686012
    Abstract: A multi-layer article featuring a fluoroplastic layer bonded to a non-fluorinated polymer layer in which the fluoroplastic has a melting point of at least 200° C. and contains interpolymerized units of at least TFE and VDF, the amount of VDF being at least 0.1% by weight, but less than than 20% by weight. Also useful are fluoroplastics containing at least TFE and VDF in which the amount of VDF units is between 0.1 and 15% by weight. Such polymers may optionally have melting points greater than 200° C.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: February 3, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Attila Molnar, Edward E. Parsonage, Denis D. Duchesne, Tatsuo Fukushi