Hartmut Behringer

Person

  • Erftstadt, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for making azo pigments

    • Patent number 4,920,205
    • Issue date Apr 24, 1990
    • Hoechst Aktiengesellschaft
    • Heinrich Rehberg
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for making azo pigments

    • Patent number 4,920,206
    • Issue date Apr 24, 1990
    • Hoechst Aktiengesellschaft
    • Hartmut Behringer
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Continuous production of azo pigments

    • Patent number 4,454,067
    • Issue date Jun 12, 1984
    • Hoechst Aktiengesellschaft
    • Hartmut Behringer
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for controlling diazotization reactions involving nitrous r...

    • Patent number 4,439,361
    • Issue date Mar 27, 1984
    • Hoechst Aktiengesellschaft
    • Kurt Karrenbauer
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Continuous diazotization of amines

    • Patent number 4,268,437
    • Issue date May 19, 1981
    • Hoechst Aktiengesellschaft
    • Hartmut Behringer
    • C07 - ORGANIC CHEMISTRY