Patents by Inventor Reinhold Lagoda

Reinhold Lagoda has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Flame-resistant polyurea foam
    Patent number: 5719200
    Abstract: The flame-resistant polyurea foam of the invention contains calcium sulfate dihydrate as filler and ammonium polyphosphate as flame retardant. Its bulk density is from 25 to 250 kg/m.sup.3 and the number of open cells is above 80% of all its cells. The polyurea has been formed from a reaction of prepolymers of diphenylmethane 4,4'-diisocyanate with water.The polyurea foam of the invention can be used as a block foam or on-site foam for sound and/or heat insulation.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: February 17, 1998
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Horst Staendeke, Reinhold Lagoda