Patents by Inventor Jurgen Graumann

Jurgen Graumann 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).

  • Dye-receiving element for thermal dye transfer
    Patent number: 6020286
    Abstract: In a dye-receiving element for thermal dye transfer, with a substrate, a composite foil and a dye-receiving layer, the composite foil contains a thermoplastic core layer exhibiting micropores and, on the side facing the receiving layer, at least two pore-free thermoplastic surface layers, and the substrate is a paper with a density of .ltoreq.0.8 g/cm.sup.3.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: February 1, 2000
    Assignee: Felix Schoeller jr. Foto- und Specialpapiere GmbH & Co. KG
    Inventors: Rainer Gumbiowski, Jurgen Graumann, Dieter Becker
  • Support material for making color test prints in the analog proof system
    Patent number: 5858603
    Abstract: A support material for making color test prints in the analog proof system, in which the support material has a layer comprising a hydrophobic binder or binder mixture and a pigment mixture containing hollow micro-balls.
    Type: Grant
    Filed: November 7, 1997
    Date of Patent: January 12, 1999
    Inventors: Dieter Becker, Jurgen Graumann
  • Ink jet printing material
    Patent number: 5569529
    Abstract: Ink jet printing materials comprise a support and an ink receiving layer taining a pigment, a hydrophilic binder comprising polyvinyl alcohol, vinylpyrrolidone homopolymer and/or vinylpyrrolidone copolymer, and a water soluble compound containing aldehyde groups.
    Type: Grant
    Filed: June 30, 1995
    Date of Patent: October 29, 1996
    Assignee: Felix Schoeller Jr. Foto-und Spezial-papiere GmbH & Co. KG
    Inventors: Dieter Becker, Gerhard Dransmann, Jurgen Graumann
  • Image receiving material for thermal dye transfer
    Patent number: 5518985
    Abstract: An image receiver material for thermal dye transfer comprises a polyolefin-coated base paper and a dye receiving layer applied to and adhering to the front face side of the coated base paper. The dye receiving layer comprises a vinyl chloride/vinyl acetate copolymer with a plasticizer contained in the vinyl chloride/vinyl acetate copolymer and a vinyl chloride copolymer free from plasticizer.
    Type: Grant
    Filed: March 20, 1995
    Date of Patent: May 21, 1996
    Assignee: Felix Schoeller Jr Papierfabriken GmbH & Co. KG
    Inventors: Reiner Jahn, Horst Westfal, Jurgen Graumann
  • Dye diffusion thermal transfer carrier material
    Patent number: 5393726
    Abstract: A dye diffusion thermal transfer carrier material comprises a base material and an intermediate layer which contains a film forming binder with a minimum film forming temperature of at least 25.degree. C., and a pigment of hollow polymer micropellets in which the micropellets have an interior space that has a volume that is between 10 and 55% of the total volume of the micropellet body.
    Type: Grant
    Filed: September 28, 1993
    Date of Patent: February 28, 1995
    Assignee: Felix Schoeller jr. Papierfabriken GmbH & Co. KG
    Inventor: Jurgen Graumann
  • Multilayer image receiving material for thermal dye transfer and process for producing same
    Patent number: 5302572
    Abstract: A process for producing and an image receiving material for dye diffusion thermal transfer processes comprises a carrier material, an intermediate layer of a crosslinked material, and an image receiving layer of an uncrosslinked material, and the two layers are produced without using organic solvents.
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: April 12, 1994
    Assignees: Felix Schoeller, Jr., Papierfabrik GmbH & Co., AG
    Inventors: Reiner Anthonsen, Wieland Sack, Dieter Becker, Jurgen Graumann, Manuela Hesse
  • Support material for thermal dye transfer
    Patent number: 5221583
    Abstract: A support material for thermal dye transfer processes of a polyolefin coated base paper in which the base paper has a roughness of 4 .mu.m or less and the polyolefin coating is applied to the base paper in an amount of 30 g/m.sup.2 or less.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: June 22, 1993
    Assignee: Felix Schoeller, Jr. GmbH & Co. KG
    Inventors: Reiner Jahn, Jurgen Graumann, Horst Westfal