TREA

Herbert Helfert

Follow

Person

  • Frankenthal, DT
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Highly branched polyether polyols of high molecular weight
    • Patent number 4,061,684
    • Issue date Dec 6, 1977
    • BASF Wyandotte Corporation
    • Herbert Helfert
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Cyclic acetals
    • Patent number 4,031,112
    • Issue date Jun 21, 1977
    • BASF Aktiengesellschaft
    • Knut Oppenlaender
    • C07 - ORGANIC CHEMISTRY