Patents by Inventor Marc Bandman

Marc Bandman 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).

  • Primed polymer films having improved adhesion characteristics and processes for making the films
    Patent number: 6114021
    Abstract: This invention covers a film base wherein polymers forming a polymeric film surface and selected from polyesters, polyolefins and polyamides are coated with an adhesion enhancing primer coating containing (a) a functionalized .alpha.-olefin containing copolymer; and (b) a crosslinking agent selected from the group consisting of amino formaldehyde resins, polyvalent metal salts, isocyanates, blocked isocyanates, epoxy resins and polyfunctional aziridines; and wherein the adhesion enhancing primer coating is applied to the polymeric film surface and reacted, at elevated temperatures with newly generated polymeric film surfaces formed during uniaxial or biaxial stretching and heat setting.
    Type: Grant
    Filed: July 16, 1996
    Date of Patent: September 5, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Richard Paul Pankratz, Clifford Cheng-Shiou Chang, Marc Bandman