Patents by Inventor Jens Nordmann

Jens Nordmann 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).

  • Cross-linked epoxy resins having non-linear optical properties
    Patent number: 5420172
    Abstract: Cross-linked epoxy resins having nonlinear optical properties may be used in nonlinear optical media. These cross-linked epoxy resins may have the following structure: ##STR1## Z.sup.1 and Z.sup.2 being NLO-chromophores.
    Type: Grant
    Filed: August 23, 1993
    Date of Patent: May 30, 1995
    Assignee: Siemens Aktiengesellschaft
    Inventors: Jens Nordmann, Rainer Puehl
  • Cross-linked epoxy resins with non-linear optical properties
    Patent number: 5218074
    Abstract: The invention provides epoxy resins having the following structure: ##STR1## The cross-linked epoxy resins have non-linear optical properties. The group "Z" constitutes a nonlinear optical chromophone having stilbene, azo, azomethine or propargyl moieties as linking units.
    Type: Grant
    Filed: September 17, 1991
    Date of Patent: June 8, 1993
    Assignees: Siemens Aktiengesellschaft, Siemens Aktiengesellschaft
    Inventors: Jens Nordmann, Heinz Hacker
  • Cross-linked epoxy resins with non-linear optical properties
    Patent number: 5187237
    Abstract: The epoxy resins according to the invention demonstrate the following structure: ##STR1## The cross-linked epoxy resins exhibit non-linear optical properties.
    Type: Grant
    Filed: September 17, 1991
    Date of Patent: February 16, 1993
    Assignee: Siemens Aktiengesellschaft
    Inventors: Jens Nordmann, Heinz Hacker