Patents by Inventor William D. Maag

William D. Maag 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: 5756168
    Abstract: The present invention relates to a laminate article formed of multiple incompatible polymer plies. The laminate article has a flange construction which limits delamination in areas of the article heretofore prone to delaminate and thus provides improved structural integrity, longevity and appearance and a longer useful life in a range of applications.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: May 26, 1998
    Inventor: William D. Maag
  • Patent number: 5510198
    Abstract: This invention relates to a panel of material comprising a film comprising a layer of a solid polyolefin and a layer of copolyester wherein said copolyester comprises:(1) a dicarboxylic acid component comprising repeat units from at least 90 mole percent terephthalic acid; and(2) a diol component comprising repeat units from 20 to 40 mole percent diethylene glycol and 80 to 60 mole percent ethylene glycol, based on 100 mole percent dicarboxylic acid and 100 mole percent diol,said layer of a copolyester being intimately bonded to a wooden substrate and said polyolefin layer being exposed on the outer surface of said film.
    Type: Grant
    Filed: February 22, 1995
    Date of Patent: April 23, 1996
    Assignee: Eastman Chemical Company
    Inventors: William D. Maag, Joey C. Carico