Patents by Inventor Yvan Hoogmartens

Yvan Hoogmartens 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: 6270951
    Abstract: A thermographic recording material, thermally developable under substantially water-free conditions, comprising a support and a thermosensitive element, the thermosensitive element being provided with a protective layer and the thermosensitive element containing a substantially light-insensitive silver salt of an organic carboxylic acid, a reducing agent therefor in thermal working relationship therewith and a binder, wherein the protective layer contains at least one proteinaceous binder and non-opacifying inorganic particles with a weight averaged diameter of less than 1&mgr;m in a concentration of between 5 and 70% by weight with respect to the weight of the protective layer.
    Type: Grant
    Filed: December 14, 1999
    Date of Patent: August 7, 2001
    Assignee: Agfa-Gevaert
    Inventors: Eddy Michiels, Yvan Karel Gilliams, Geert Defieuw, Yvan Hoogmartens
  • Patent number: 6211116
    Abstract: A substantially light-insensitive black and white thermographic recording material having a support and a thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith and a binder, characterized in that the thermosensitive element contains substantially light-insensitive mixed crystals of two or more silver salts of organic carboxylic acids with one or more carboxylic acid groups; and a recording process therewith.
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: April 3, 2001
    Assignee: Agfa-Gevaert
    Inventors: Geert Defieuw, Johan Loccufier, Yvan Hoogmartens, Ingrid Geuens
  • Patent number: 6184179
    Abstract: A thermographic recording material comprising a support and a thermosensitive element containing a substantially light-insensitive silver salt of an organic carboxylic acid, a reducing agent therefor in thermal working relationship therewith and at least one proteinaceous binder, wherein the thermosensitive element contains between 700 ppm and 5 ppm of a non-fluoro-halide ion with respect to the proteinaceous binders in the thermosensitive element and the thermographic recording material is thermally developable under substantially water-free conditions; and a process for the production thereof.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: February 6, 2001
    Assignee: Agfa-Gevaert
    Inventors: Yvan Gilliams, Carlo Uyttendaele, Ingrid Geuens, Yvan Hoogmartens
  • Patent number: 6127102
    Abstract: A recording material comprising a support and a thermosensitive element containing silver stearate, an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the silver stearate is not associated with mercury and/or lead ions and when the recording material is irradiated with a copper K.alpha..sub.1 X-ray source the ratio of the sum of the peak heights of the X-ray diffraction lines attributable to silver stearate at Bragg angles, 2.THETA., of 2.THETA., of 3.62.degree., 5.45.degree., 7.30.degree., 9.04.degree., 10.97.degree. and 12.71.degree. to the sum of the peak heights of the X-ray diffraction lines at Bragg angles, 2.THETA., of 25.60.degree., 35.16.degree. and 43.40.degree. of NIST standard 1976, rhombohedral Al.sub.2 O.sub.
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: October 3, 2000
    Assignee: Agfa-Gevaert N.V.
    Inventors: Ingrid Geuens, Yvan Gilliams, Dirk Bollen, Yvan Hoogmartens, Andre Bellens
  • Patent number: 6114100
    Abstract: A recording material comprising a support and a thermosensitive element comprising silver palmitate, an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the silver palmitate is not associated with mercury and/or lead ions and when the recording material is irradiated with a copper K.alpha..sub.1 X-ray source the ratio of the sum of the peak heights of the X-ray diffraction lines attributable to silver palmitate at Bragg angles, 2.THETA., of 4.01.degree., 6.049.degree., 8.031.degree., 10.06.degree., 12.08.degree. and 14.09.degree. to the sum of the peak heights of the X-ray diffraction lines at Bragg angles, 2.THETA., of 25.60.degree., 35.16.degree. and 43.40.degree. of NIST standard 1976, rhombohedral Al.sub.2 O.sub.
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: September 5, 2000
    Assignee: Agfa-Gevaert N.V.
    Inventors: Ingrid Geuens, Yvan Gilliams, Dirk Bollen, Yvan Hoogmartens, Andre Bellens
  • Patent number: 5922506
    Abstract: The present invention provides a negative-working photosensitive imaging element comprising on a hydrophilic surface of a support in the order given (i) a hydrophobic photopolymerizable composition capable of being irradiated with actinic light through the support and/or through the front and containing at least one unsaturated compound with at least one polymerizable ethylenically unsaturated group, at least one hydrophobic thermoplastic polymer and at least one photoinitiator, and (ii) optionally a receptor layer, characterized in that said hydrophobic photopolymerizable composition comprises in the order given (i) a polymerizable layer contiguous to said hydrophilic surface and comprising at least part of said at least one unsaturated compound and (ii) a hydrophobic photosensitive layer contiguous to said polymerizable layer comprising at least part of said at least one hydrophobic thermoplastic polymer and of said at least one photoinitiator.
    Type: Grant
    Filed: October 6, 1995
    Date of Patent: July 13, 1999
    Assignee: Agfa-Gevaert, N.V.
    Inventors: Yvan Hoogmartens, Marc Van Damme, Joan Vermeersch, Yves Verburgh
  • Patent number: 5656410
    Abstract: A process for the production of a heat-mode recording material having "direct read after write" (DRAW) capability and containing a heat-mode recording layer on a permanent support, wherein said process comprises in consecutive order the steps of (1) forming a laminated web by laminating with heat and pressure to said recording layer a single adhesive layer or multiple layer assemblage carried by a web-type temporary support which layer or layer assemblage has a thickness not larger than 20 .mu.m, and (2) separating said temporary support from said adhesive layer leaving said single adhesive layer through hardening as a protective element on said recording layer, or (2') separating said temporary support from said adhesive layer assemblage leaving said layer assemblage as a protective element on said recording layer through hardening of at least the outermost layer of the transferred layer assemblage.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: August 12, 1997
    Assignee: Agfa-Gevaert N.V.
    Inventors: Marc Van Damme, Luc Leenders, Yvan Hoogmartens, Dirk D'hont