Patents Represented by Attorney Kevin Dobson

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  • Glass laminates for reduction of sound transmission
    Patent number: 7754338
    Abstract: The present invention is a glass laminate having sound attenuation properties that make it suitable for use as acoustic glazing in architectural applications and/or in vehicles.
    Type: Grant
    Filed: July 26, 2007
    Date of Patent: July 13, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Jerrel C. Anderson
  • Low-color PVB sheet and a process for making same
    Patent number: 7687560
    Abstract: The present invention is a low-color plasticized PVB sheet and a process for preparing the same. The sheet of the present invention yields a YID measurement of less than 12. A sheet of the present invention is useful for making glass laminates that are useful in cars, boats, trains, buildings, and display cases, for example.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: March 30, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Donald L. Rymer, Nolan K. Read, III
  • Interlayers for laminated safety glass with superior de-airing and laminating properties and process for making the same
    Patent number: 7678441
    Abstract: This invention relates to thermoplastic interlayer sheets or films for laminated safety glass with superior vacuum de-airing at elevated temperatures and superior tacking and edge sealing properties. The sheeting has an embossed surface pattern on at least one of the surfaces, which provides relatively uninterrupted channels for de-airing in at least two non-parallel directions, wherein the channels are spaced about 0.1 to about 1 mm apart and have a depth of less than about 25 ?m and a width of about 30 to about 300 ?m.
    Type: Grant
    Filed: March 20, 2007
    Date of Patent: March 16, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Charles Anthony Smith
  • Low-color stiff PVB laminates
    Patent number: 7642307
    Abstract: The present invention describes laminate articles comprising a stiff, low-color PVB sheet having a YID of less than 12 and having a low concentration of plasticizer in the PVB composition, wherein the sheet is prepared from a composition that includes a PVB bleaching compound. A sheet of the present invention is useful for making glass laminates useful for parts in making cars, boats, trains, buildings, display cases, and other articles that utilize transparent glass laminates.
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: January 5, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Bert C. Wong, Donald L. Rymer, Nolan K. Read, III