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Kurt Hoffmann

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  • Weitenau-Steinen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Functionalized polymers
    • Patent number 7,807,757
    • Issue date Oct 5, 2010
    • Ciba Specialty Chemicals Corp.
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    β Crystalline polypropylenes
    • Patent number 7,423,088
    • Issue date Sep 9, 2008
    • Ciba Specialty Chemicals Corporation
    • Dietmar Mäder
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilization of organic materials
    • Patent number 7,375,149
    • Issue date May 20, 2008
    • Ciba Specialty Chemicals Corp.
    • Bruno Rotzinger
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Functionalised polymers
    • Patent number 7,300,978
    • Issue date Nov 27, 2007
    • Ciba Specialty Chemicals Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for increasing the molecular weight of polycondensates
    • Patent number 6,706,824
    • Issue date Mar 16, 2004
    • Ciba Specialty Chemicals Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Synthetic polymers comprising additive blends with enhanced effect
    • Patent number 6,610,765
    • Issue date Aug 26, 2003
    • Ciba Specialty Chemicals Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the stabilization of a stabilizer mixtures for recycled...
    • Patent number 6,525,158
    • Issue date Feb 25, 2003
    • Ciba Specialty Chemicals Corporation
    • Kurt Hoffmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Functionalized polymers
    • Patent number 6,362,278
    • Issue date Mar 26, 2002
    • Ciba Specialty Chemicals Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Increasing the molecular weight of polyesters
    • Patent number 6,265,533
    • Issue date Jul 24, 2001
    • Ciba Specialty Chemicals Corporation
    • Karin Regel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the stabilization of and stabilizer mixtures for single...
    • Patent number 6,251,972
    • Issue date Jun 26, 2001
    • Ciba Specialty Chemicals Corp.
    • Kurt Hoffmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Decomposing polymers using NOR-HALS compounds
    • Patent number 6,133,414
    • Issue date Oct 17, 2000
    • Ciba Specialy Chemicals Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilization of damaged thermoplastics
    • Patent number 6,077,891
    • Issue date Jun 20, 2000
    • Ciba Specialty Chemicals Corporation
    • Heinz Herbst
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Increasing the molecular weight of polycondensates and stabilizing...
    • Patent number 6,028,129
    • Issue date Feb 22, 2000
    • Ciba Specialty Chemicals Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Increasing the molecular weight of polyamides
    • Patent number 6,025,463
    • Issue date Feb 15, 2000
    • Ciba Specialty Chemicals Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilized polyvinyl chloride containing recycled material
    • Patent number 5,985,964
    • Issue date Nov 16, 1999
    • Witco Vinyl Additives GmbH
    • Heinz Herbst
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the stabilization of and stabilizer mixtures for PVDC-c...
    • Patent number 5,859,102
    • Issue date Jan 12, 1999
    • Ciba Speciality Chemicals Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyester/polycarbonate blends having enhanced properties
    • Patent number 5,859,073
    • Issue date Jan 12, 1999
    • Ciba Specialty Chemicals Corportation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Increasing the molecular weight of polycondensates
    • Patent number 5,807,932
    • Issue date Sep 15, 1998
    • Ciba Specialty Chemicals Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Increase in molecular weight of polycondensates
    • Patent number 5,807,966
    • Issue date Sep 15, 1998
    • Ciba Specialty Chemicals Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the stabilization of and stablizer mixtures for recycle...
    • Patent number 5,804,623
    • Issue date Sep 8, 1998
    • Ciba Specialty Chemicals Corporation
    • Kurt Hoffmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilized recycled plastics
    • Patent number 5,789,470
    • Issue date Aug 4, 1998
    • Ciba Specialty Chemicals Corporation
    • Heinz Herbst
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Increasing the molecular weight of polyamides
    • Patent number 5,756,596
    • Issue date May 26, 1998
    • Ciba Specialty Chemicals Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Increasing the molecular weight of polyesters and premix useful for...
    • Patent number 5,747,606
    • Issue date May 5, 1998
    • Ciba Specialty Chemicals Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyester/polycarbonate blends having enhanced properties
    • Patent number 5,744,554
    • Issue date Apr 28, 1998
    • Ciba Specialty Chemicals Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilized PVDC-containing PVC
    • Patent number 5,726,234
    • Issue date Mar 10, 1998
    • Ciba Specialty Chemicals Corporation
    • Heinz Herbst
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Increasing the molecular weight of polyesters
    • Patent number 5,693,681
    • Issue date Dec 2, 1997
    • Ciba Specialty Chemicals Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the stabilization of and stabilizer mixtures for recycl...
    • Patent number 5,643,985
    • Issue date Jul 1, 1997
    • Ciba-Geigy Corporation
    • Kurt Hoffmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Increasing the molecular weight of polyamides
    • Patent number 5,496,920
    • Issue date Mar 5, 1996
    • Ciba-Geigy Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyarylene ethers
    • Patent number 5,270,435
    • Issue date Dec 14, 1993
    • Ciba-Geigy Corporation
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Modified polyarylene ether sulfones
    • Patent number 5,212,264
    • Issue date May 18, 1993
    • Ciba-Geigy Corporation
    • Kurt Hoffmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    PROCESS FOR IMPROVING THE FLOW PROPERTIES OF POLYMER MELTS
    • Publication number 20130210973
    • Publication date Aug 15, 2013
    • BASF SE
    • Klaus Stoll
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Process for Improving the Flow Properties of Polymer Melts
    • Publication number 20090318593
    • Publication date Dec 24, 2009
    • Klaus Stoll
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Stabilization of organic materials
    • Publication number 20080194743
    • Publication date Aug 14, 2008
    • Bruno Rotzinger
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Functionalized polymers
    • Publication number 20080051521
    • Publication date Feb 28, 2008
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Stabillization of organic materials
    • Publication number 20060167146
    • Publication date Jul 27, 2006
    • Bruno Rotzinger
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Beta-nucleating, light stabilizing agents for polypropylene
    • Publication number 20050288510
    • Publication date Dec 29, 2005
    • Dietmar Mader
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Beta crystalline polypropylenes
    • Publication number 20050203226
    • Publication date Sep 15, 2005
    • Dietmar Mader
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Functionalised polymers
    • Publication number 20040167291
    • Publication date Aug 26, 2004
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Process for the stabilization of HDPE
    • Publication number 20020161080
    • Publication date Oct 31, 2002
    • Kurt Hoffmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Functionalised polymers
    • Publication number 20020123577
    • Publication date Sep 5, 2002
    • Rudolf Pfaendner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Dust-free, epoxy-containing stabilizer granules and the preparation...
    • Publication number 20010044518
    • Publication date Nov 22, 2001
    • Kurt Hoffmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...