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Walter Hufnagel

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  • Forchheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for the manufacture of biaxially stretched flat film
    • Patent number 4,625,372
    • Issue date Dec 2, 1986
    • Internationale Octrooi Maatschappij "Octropa" B.V.
    • Walter Hufnagel
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Polypropylene film
    • Patent number 4,595,738
    • Issue date Jun 17, 1986
    • Internationale Octrooi Maatschappij "Octropa" B.V.
    • Walter Hufnagel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for the manufacture of biaxially stretched polyolefin film
    • Patent number 4,261,944
    • Issue date Apr 14, 1981
    • Lever Brothers Company
    • Walter Hufnagel
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL