Patents by Inventor Rik Vandenbruwaene

Rik Vandenbruwaene 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 PROCESSING A LITHOGRAPHIC PRINTING PLATE
    Publication number: 20190072856
    Abstract: A method for processing a lithographic printing plate includes development with an alkaline solution and gumming with a first gum solution and subsequently with a second gum solution, wherein both gum solutions are provided in a cascade configuration whereby the second gum solution overflows into the first gum solution and wherein the gum solution(s) include a nitrate salt.
    Type: Application
    Filed: February 3, 2017
    Publication date: March 7, 2019
    Inventors: Ludo VERVLOET, Rik VANDENBRUWAENE, Philippe MORIAME, Iris BOGUNOVIC
  • Storage stability of an imaging element for making a printing plate according to the silver salt diffusion transfer process
    Patent number: 5672461
    Abstract: The present invention provides an imaging element comprising in the order given on a hydrophilic surface of a support (i) an image receiving layer containing physical development nuclei and (ii) a photosensitive layer containing a silver halide emulsion being in water permeable relationship with said image receiving layer, characterized in that said photosensitive layer comprises a substituted or unsubstituted 1-phenyl-3-pyrazolidone in an amount between 0.2 mg/g and 15 mg/g of silver halide expressed as an equivalent amount of silver nitrate.
    Type: Grant
    Filed: May 29, 1996
    Date of Patent: September 30, 1997
    Assignee: AGFA-Gevaert, N.V.
    Inventors: Paul Coppens, Eric Hoes, Jules Berendsen, Rik Vandenbruwaene