Patents by Inventor Hermann Schatz

Hermann Schatz 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).

  • Preparation of cocondensates which produce weather-resistant bonding
    Patent number: 4458049
    Abstract: An aqueous solution of a resin glue comprising formaldehyde, urea, melamine and phenol is obtained when phenol, formaldehyde and not more than 0.35 mole of an alkali metal bisulfite per mole of phenol are reacted to give a phenol-formaldehyde condensate, formaldehyde and urea in a molar ratio of not more than 2.5 are reacted to give a urea-formaldehyde condensate, and the reaction products are in turn reacted with melamine and formaldehyde.
    Type: Grant
    Filed: June 30, 1982
    Date of Patent: July 3, 1984
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Diem, Robert Fritsch, Heinz Lehnert, Guenther Matthias, Hermann Schatz, Otto Wittmann
  • Aqueous isocyanate emulsions prepared with polyglycol and polymerized unsaturated acid amide
    Patent number: 4260532
    Abstract: Aqueous polyisocyanate emulsions are prepared by employing water-soluble polyamides as emulsification agents.
    Type: Grant
    Filed: July 11, 1979
    Date of Patent: April 7, 1981
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Reuther, Adolph Segnitz, Otto Wittmann, Hermann Schatz