Patents by Inventor Bart Ramandt

Bart Ramandt 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: 5776642
    Abstract: A method is provided for manufacturing a multicolour filter array element, firmly associated with a transparent electrode layer in a multicolour liquid crystal display device, comprising a silver halide colour photographic material wherein the colour processing of the silver halide colour material comprises a treatment of the colour processed colour material in a solution comprising at least one group III metal ion. The processing method diminishes the yellowing, due to heating, of the processed photographic silver halide colour material.
    Type: Grant
    Filed: June 3, 1996
    Date of Patent: July 7, 1998
    Assignee: Agfa Gevaert, N.V.
    Inventors: Jean-Pierre Tahon, Johan Loccufier, Herman Van Gorp, Bart Ramandt
  • Patent number: 5720840
    Abstract: A method is provided for applying any hydrophilic colloid layer on a naked glass support comprising the steps of(i) wetting a naked glass support, with a polar solvent comprising more than 1% water,(ii) applying the hydrophilic colloid layer, provided on a temporary support, onto the wet glass support, so that the hydrophilic colloid layer is in direct contact with the wetted glass and(iii) stripping the temporary support away.It is preferred that the wetting solution comprises an organic silicon compound. The method is especially suited for applying photographic layers on a naked glass support. By using this method no special adhesive layer is needed and all photographic properties are kept unimpaired.
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: February 24, 1998
    Assignee: AGFA-Gevaert, N.V.
    Inventors: Jean-Pierre Tahon, Bartholomeus Verlinden, Bart Ramandt