Patents by Inventor Rembert Baumann

Rembert Baumann 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).

  • Method of producing a urea formaldehyde combination foam with a low content of formaldehyde
    Patent number: 4489175
    Abstract: To obtain a UF foam which is low in formaldehyde, yet is dimensionally stable, up to 96% urea is dissolved in an approximately 10 to 30% aqueous extract of an alkyl, aryl or alkaryl sulphonic acid, said solution being mixed with a conventional hardener/foaming agent solution containing the sodium salt of an alkyl, aryl or alkaryl sulphonic acid in an aqueous diluent usually employed for foaming, in a ratio sulphonic acid solution to sodium sulphonate solution of 1:1 to 1:4, the pH value being adjusted to 0 up to 3 and said mixture being foamed together with a urea formaldehyde resin precondensate solution in the usual manner.
    Type: Grant
    Filed: April 28, 1983
    Date of Patent: December 18, 1984
    Assignee: Schaum-Chemie W. Bauer GmbH & Co KG
    Inventors: Heinz Baumann, Rembert Baumann