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Michael Prein

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  • Brasschaat, BE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reactive rectification
    • Patent number 7,071,283
    • Issue date Jul 4, 2006
    • Bayer MaterialScience AG
    • Gerald John
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Bis(4-hydroxyaryl)alkanes
    • Patent number 6,919,487
    • Issue date Jul 19, 2005
    • Bayer Aktiengesellschaft
    • Rainer Neumann
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Bisphenol phenol adducts
    • Patent number 6,906,227
    • Issue date Jun 14, 2005
    • Bayer Aktiengesellschaft
    • Rainer Neumann
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Method for producing bisphenols
    • Patent number 6,828,465
    • Issue date Dec 7, 2004
    • Bayer Aktiengesellschaft
    • Rainer Neumann
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Substance mixture containing bisphenol A
    • Patent number 6,774,268
    • Issue date Aug 10, 2004
    • Bayer Aktiengesellschaft
    • Michael Bödiger
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Method for conditioning ion exchangers
    • Patent number 6,723,881
    • Issue date Apr 20, 2004
    • Bayer Aktiengesellschaft
    • Michael Bödiger
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Bisphenol production
    • Patent number 6,723,885
    • Issue date Apr 20, 2004
    • Bayer Aktiengesellschaft
    • Frieder Heydenreich
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Method for the production of bisphenol-a
    • Patent number 6,710,211
    • Issue date Mar 23, 2004
    • Bayer Aktiengesellschaft
    • Frieder Heydenreich
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Solid particles
    • Patent number 6,710,152
    • Issue date Mar 23, 2004
    • Bayer Aktiengesellschaft
    • Rolf Lanze
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for producing polycarbonate
    • Patent number 6,706,848
    • Issue date Mar 16, 2004
    • Bayer Aktiengesellschaft
    • Michael Prein
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polycarbonate
    • Patent number 6,703,473
    • Issue date Mar 9, 2004
    • Bayer Aktiengesellschaft
    • Uwe Hucks
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polycarbonate containers
    • Patent number 6,682,794
    • Issue date Jan 27, 2004
    • Bayer Aktiengesellschaft
    • Klaus Horn
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Fluidised bisphenol dust
    • Patent number 6,683,223
    • Issue date Jan 27, 2004
    • Bayer Aktiengesellschaft
    • Michael Bödiger
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Method of loading moist, sticky bulk material into a fluid pervious...
    • Patent number 6,675,844
    • Issue date Jan 13, 2004
    • Bayer Aktiengesellschaft
    • Lutz Gottschalk
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Initiation method of a method for producing 2,2-bis(4-hydroxyphenyl...
    • Patent number 6,590,128
    • Issue date Jul 8, 2003
    • Bayer Aktiengesellschaft
    • Michael Bödiger
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Plastic molding materials which can be detected by X-ray contrast
    • Patent number 6,509,406
    • Issue date Jan 21, 2003
    • Bayer Aktiengesellschaft
    • Axel Brenner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polycarbonates with a low yellowness index
    • Patent number 6,395,864
    • Issue date May 28, 2002
    • Bayer Aktiengesellschaft
    • Steffen Kühling
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Reactive rectification
    • Publication number 20040039151
    • Publication date Feb 26, 2004
    • Gerald John
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Method for producing bisphenols
    • Publication number 20040030195
    • Publication date Feb 12, 2004
    • Rainer Neumann
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Fluidised bisphenol dust
    • Publication number 20030144560
    • Publication date Jul 31, 2003
    • Michael Bodiger
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Substance mixture containing bisphenol a
    • Publication number 20030096939
    • Publication date May 22, 2003
    • Michael Bodiger
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Method of loading moist, sticky bulk material into a fluid pervious...
    • Publication number 20030017934
    • Publication date Jan 23, 2003
    • Lutz Gottschalk
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Bis(4-hydroxyaryl) alkanes
    • Publication number 20020183562
    • Publication date Dec 5, 2002
    • Rainer Neumann
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Process for producing polycarbonates
    • Publication number 20020177684
    • Publication date Nov 28, 2002
    • Silke Kratschmer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Reactive rectification
    • Publication number 20020099163
    • Publication date Jul 25, 2002
    • Gerald John
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Process for producing polycarbonate
    • Publication number 20020095020
    • Publication date Jul 18, 2002
    • Uwe Hucks
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...