Patents by Inventor Friedrich Seitz

Friedrich Seitz 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).

  • Photopolymerizable recording materials, photoresist layers and lithographic printing plates based theron, and novel 4-quinazolone compounds
    Patent number: 4891301
    Abstract: Abstract of the disclosure: Novel photopolymerizable recording materials suitable in particular for producing photoresist layers and lithographic printing plates are composed of one or more photopolymerizable, olefinically unsaturated organic compounds, a photopolymerization initiator, a color-forming system composed of a color former and a photooxidant, novel 4-quinazolone compounds as sensitizers of the formula (I) ##STR1##
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: January 2, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhard Aldag, Peter Neumann, Andreas Boettcher, Thomas Bluemel, Friedrich Seitz