Patents by Inventor Horst Westfal

Horst Westfal 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).

  • Recording material for the ink jet printing process
    Patent number: 6114030
    Abstract: The invention relates to a recording material for the ink jet printing prss. The recording material is characterized by a good smudgeproofness, image sharpness and color density, combined with only very low color transfer.The ink receiving layer comprises a pigment and a carboxyl group-modified gelatin.
    Type: Grant
    Filed: September 17, 1996
    Date of Patent: September 5, 2000
    Assignee: Felix Schoeller jr. Foto- und Speczialpapier GmbH & Co. KG
    Inventors: Horst Westfal, Andreas Diekmann, Sonja Lonker
  • Printing material for ink-jet printing methods
    Patent number: 5911855
    Abstract: A printing material for ink-jet printing methods has a support and a dye-receiving coating, and an upper coating which includes finely divided particles of an inorganic pigment and/or filler exhibiting cationic charge centers is disposed on the dye-receiving coating.
    Type: Grant
    Filed: May 7, 1997
    Date of Patent: June 15, 1999
    Assignee: Felix Schoeller jr. Foto-und Spezialpapeire GmbH & Co. KG
    Inventors: Gerhard Dransmann, Claudia Junger, Horst Westfal
  • 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
  • Support material for light sensitive materials with back anticurl layer
    Patent number: 5374510
    Abstract: A support material for light sensitive materials is disclosed which has an anticurl layer on the back which contains at least a hardening agent and a bone gelatin that has been degraded by enzymatic action, and the gelatin has more than 40% low molecular fractions having a molecular weight of less than 100,000 and a gel strength of 200-250 g Bloom.
    Type: Grant
    Filed: December 21, 1993
    Date of Patent: December 20, 1994
    Assignee: Felix Schoeller, Jr. Papierfabriken
    Inventors: Horst Westfal, Andreas Diekmann
  • Recording material for the ink jet process
    Patent number: 5328748
    Abstract: A recording material and coating therefor for an ink jet process wherein the coating forms an ink absorbing layer on a support material. The coating contains a hydrophilic binder and an oxidized polyethylene, and the oxidized polyethylene is present in the aqueous coating material which forms the ink absorbing layer as a cationic active emulsified oxidized polyethylene.
    Type: Grant
    Filed: October 26, 1992
    Date of Patent: July 12, 1994
    Assignees: Felix Schoeller, Jr., Papierfabrik GmbH & Co. KG
    Inventor: Horst Westfal
  • 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
  • Paper support for light-sensitive materials with an anti-curl layer on the backside
    Patent number: 5100769
    Abstract: A water proof support material for light-sensitive materials with an anti-curl layer on the backside, the anti-curl layer comprising at least:(a) a protein binder,(b) a reaction product of triazine and formaldehyde,(c) an N-methylol compound, and(d) an aliphatic polyhydric alcohol.
    Type: Grant
    Filed: April 16, 1990
    Date of Patent: March 31, 1992
    Assignee: Felix Schoeller Jr. GmbH & Co. KG
    Inventors: Horst Westfal, Andreas Diekmann
  • Image receiving material for dye diffusion thermal transfer
    Patent number: 5096876
    Abstract: The invention relates to image receiving material for dye diffusion thermal transfer comprising a polyolefin coated base paper the front side of which has been coated with a receiving layer which comprises a combination of an acrylate copolymer containing polar groups and an oxidized polyethylene as a dye receiving resin.
    Type: Grant
    Filed: August 23, 1990
    Date of Patent: March 17, 1992
    Assignee: Felix Schoeller jr. GmbH & Co. KG
    Inventors: Reiner Jahn, Horst Westfal