Patents by Inventor Guenter Berghaeuser

Guenter Berghaeuser 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).

  • Device for burning in light-sensitive layers in the production of printing forms
    Patent number: 5166523
    Abstract: A device for burning in positive-working light-sensitive layers containing diazo compounds in the production of printing forms comprises a radiation source whose radiation comprises an infrared fraction, a fraction in the visible region, and an ultraviolet fraction. In the device, a radiation absorber is provided which covers a heat reservoir. The back of the printing form is passed flat over the radiation absorber, which is maintained at a substantially constant temperatuer by the heat reservoir.
    Type: Grant
    Filed: February 13, 1991
    Date of Patent: November 24, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Guenter Berghaeuser