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Fritz Wittwer

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  • Lupisingen, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Starch based formulations
    • Patent number 5,427,614
    • Issue date Jun 27, 1995
    • Warner-Lambert Company
    • Fritz Wittwer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Apparatus and method of sealing capsules
    • Patent number RE33251
    • Issue date Jul 3, 1990
    • Warner-Lambert Company
    • Fritz Wittwer
    • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • Information Patent Grant

    Tamper-proof capsules
    • Patent number 4,893,721
    • Issue date Jan 16, 1990
    • Warner-Lambert Company
    • Hans U. Bodenmann
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Molded hydrophilic polymer
    • Patent number 4,790,881
    • Issue date Dec 13, 1988
    • Warner-Lambert Company
    • Fritz Wittwer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method for forming pharmaceutical capsules from starch compositions
    • Patent number 4,738,724
    • Issue date Apr 19, 1988
    • Warner-Lambert Company
    • Fritz Wittwer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for forming pharmaceutical capsules from hydrophilic polymers
    • Patent number 4,738,817
    • Issue date Apr 19, 1988
    • Warner-Lambert Company
    • Fritz Wittwer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Foam capsules
    • Patent number 4,719,112
    • Issue date Jan 12, 1988
    • Warner-Lambert Company
    • Jean P. Mayer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Polymer composition for injection molding
    • Patent number 4,673,438
    • Issue date Jun 16, 1987
    • Warner-Lambert Company
    • Fritz Wittwer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus and method for sealing capsules
    • Patent number 4,656,066
    • Issue date Apr 7, 1987
    • Warner-Lambert Company
    • Fritz Wittwer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Hydrophilic polymer compositions for injection molding
    • Patent number 4,655,840
    • Issue date Apr 7, 1987
    • Warner-Lambert Company
    • Fritz Wittwer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foam soft gelatin capsules and their method of manufacture
    • Patent number 4,609,403
    • Issue date Sep 2, 1986
    • Warner-Lambert Company
    • Fritz Wittwer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method for molding capsules
    • Patent number 4,591,475
    • Issue date May 27, 1986
    • Warner-Lambert Company
    • Ivan Tomka
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Closing of filled capsules
    • Patent number 4,576,284
    • Issue date Mar 18, 1986
    • Warner-Lambert Company
    • Fritz Wittwer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus and method for sealing capsules
    • Patent number 4,550,238
    • Issue date Oct 29, 1985
    • Warner-Lambert Company
    • Louis Van Herle
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus and method of sealing capsules
    • Patent number 4,539,060
    • Issue date Sep 3, 1985
    • Warner-Lambert Company
    • Fritz Wittwer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus and method for sealing capsules by application of vacuum...
    • Patent number 4,522,666
    • Issue date Jun 11, 1985
    • Warner-Lambert Company
    • Fritz Wittwer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foam capsules
    • Patent number 4,500,358
    • Issue date Feb 19, 1985
    • Warner-Lambert Company
    • Jean P. Mayer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method of conditioning a water swellable hydrocolloid
    • Patent number 4,482,386
    • Issue date Nov 13, 1984
    • Warner-Lambert Company
    • Fritz Wittwer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for sealing non-enteric capsules
    • Patent number 4,478,658
    • Issue date Oct 23, 1984
    • Warner-Lambert Company
    • Fritz Wittwer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE