Cellulose acetate film or sheet

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing cellulose acylate film

    • Patent number 7,828,997
    • Issue date Nov 9, 2010
    • FUJIFILM Corporation
    • Masaaki Otoshi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Magic slate capture and display device

    • Patent number 6,972,151
    • Issue date Dec 6, 2005
    • Hewlett-Packard Development Company, L.P.
    • Barry Bronson
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Three-dimensional highly elastic film/non-woven composite

    • Patent number 6,720,279
    • Issue date Apr 13, 2004
    • Tredegar Film Products Corporation
    • James W. Cree
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Magic slate capture and display device

    • Patent number 6,578,615
    • Issue date Jun 17, 2003
    • Hewlett-Packard Development Company, L.P.
    • Barry Bronson
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Three-dimensional highly elastic film/non-woven composite

    • Patent number 6,537,930
    • Issue date Mar 25, 2003
    • Tredegar Film Products Corporation
    • Jeff A. Middlesworth
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    2281635

    • Patent number 2,281,635
    • Issue date May 5, 1942
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1983875

    • Patent number 1,983,875
    • Issue date Dec 11, 1934
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    1976028

    • Patent number 1,976,028
    • Issue date Oct 9, 1934
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents