Patents by Inventor Eleonore Raabe

Eleonore Raabe 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).

  • Patent number: 4994348
    Abstract: A light-sensitive recording material for the production of intaglio printing plates comprises a photopolymerizable and/or photocrosslinkable material which is soluble or dispersible in a developer liquid and on exposure to actinic light is rendered insoluble or no longer dispersible in this developer liquid and which, at least in a surface zone of the surface of the layer which forms the later surface of the printing plate, contains finely divided abrasive particles whose average particle size is within the range from 0.1 to 6 .mu.m, which have a hardness of >4.0 on the Mohs hardness scale, the surface of the layer which forms the later surface of the printing plate has a peak-to-valley height of <2 .mu.m, and the photocrosslinkable and/or photopolymerizable material contains a reaction product of a cycloaliphatic epoxy with acrylic acid or methacrylic acid.
    Type: Grant
    Filed: February 24, 1989
    Date of Patent: February 19, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Eleonore Raabe, Erich Beck