Patents by Inventor Carlfried W. Osenegg

Carlfried W. Osenegg 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).

  • Process for performing pre-press color proofing processes
    Patent number: 5053313
    Abstract: The method and means for carrying out pre-press color proofing processes for color press printing, wherein at least one photosensitive film is laminated onto a sample of the paper intended to be used for the final press printing, which sample has been removably applied to a shape-stable and dimensionally stable support, exposed to light, and colored with a dry toner, characterized in that an interlayer which can be stripped from the support without damage has been applied in advance on the reverse side of the paper intended to be used for the final press printing.
    Type: Grant
    Filed: September 14, 1989
    Date of Patent: October 1, 1991
    Assignee: E. I. du Pont de Nemours Company
    Inventor: Carlfried W. Osenegg