Patents by Inventor Deprez Lode

Deprez Lode 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).

  • Method for making a lithographic printing plate
    Patent number: 5536617
    Abstract: The present invention provides a method for making a lithographic printing plate according to the silver salt diffusion transfer process comprising the steps of:image-wise exposing an imaging element comprising on a support a photosensitive layer comprising a silver halide emulsion and an image receiving layer containing physical development nuclei,developing said imaging element in the presence of developing agent(s) and silver halide solvent(s) using an alkaline processing liquid andtreating the thus obtained developed imaging element using a finishing liquid having a pH of at least 8.5 being substantially free of oxidizing compounds.Less useless copies are generated at the start of the printing process using a printing plate obtained according to the method of the present invention.
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: July 16, 1996
    Assignee: AGFA-Gevaert, N.V.
    Inventor: Deprez Lode