Patents by Inventor Jobst La Dous

Jobst La Dous 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).

  • Photochromic plastic object
    Patent number: 7335702
    Abstract: A photochromic plastic object made of a transparent synthetic resin material composed of at least two mutually penetrating polymer networks of different polymer materials and containing at least one photochromic dye homogeneously distributed therein, and a method for producing such a photochromic object.
    Type: Grant
    Filed: July 29, 2003
    Date of Patent: February 26, 2008
    Assignees: Rodenstock GmbH, Jobst La Dous
    Inventor: Jobst La Dous
  • Photochromic plastic object
    Publication number: 20040138382
    Abstract: A photochromic plastic object made of a transparent synthetic resin material composed of at least two mutually penetrating polymer networks of different polymer materials and containing at least one photochromic dye homogeneously distributed therein, and a method for producing such a photochromic object.
    Type: Application
    Filed: July 29, 2003
    Publication date: July 15, 2004
    Applicant: Rodenstock GmbH
    Inventor: Jobst La Dous