TREA

Carl Wolfgang Schellhammer

Follow

Person

  • Schildgen, DT
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Sulphonamidosalicylaldehydes
    • Patent number 4,080,379
    • Issue date Mar 21, 1978
    • Bayer Aktiengesellschaft
    • Florin Seng
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Optical brighteners
    • Patent number 4,071,466
    • Issue date Jan 31, 1978
    • Bayer Aktiengesellschaft
    • Josef Schroeder
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Coumarins containing sulphonylamino groups
    • Patent number 4,069,228
    • Issue date Jan 17, 1978
    • Bayer Aktiengesellschaft
    • Carl Wolfgang Schellhammer
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Triazolyl-coumarins
    • Patent number 4,005,098
    • Issue date Jan 25, 1977
    • Bayer Aktiengesellschaft
    • Alfons Dorlars
    • C07 - ORGANIC CHEMISTRY