Patents Assigned to Schaum-Chemie Wilhelm Bauer GmbH & Co. KG
  • Polyurea foams prepared from isocyanate, water, and a lower-alkanol
    Patent number: 4454251
    Abstract: Polyurea foam formulations, prepared by reacting a polymeric isocyanate with an aqueous activator component, and having incorporated therein a small but density-lowering and/or compressive strength enhancing amount of a lower-alkanol or alkylenediol, preferably having up to and including six (6) carbon atoms, especially isopropanol, are disclosed.
    Type: Grant
    Filed: April 22, 1983
    Date of Patent: June 12, 1984
    Assignee: Schaum-Chemie Wilhelm Bauer GmbH & Co. KG
    Inventors: Kurt C. Frisch, Heinz Baumann