Patents by Inventor Jeroslav Haase

Jeroslav Haase 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).

  • N-Methylolcarboxamide compounds
    Patent number: 4395546
    Abstract: A novel process for the purification of industrial effluents, wherein the effluents are brought into contact with cationically modified cellulose-containing materials, the cationic constituent of which is bonded to the cellulose part via the grouping of the general formula--O--CH.sub.2 --N<in which the nitrogen belongs to an amide group of the cationic constituent and the oxygen is bonded to the cellulose part.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: July 26, 1983
    Assignee: Ciba-Geigy Corporation
    Inventors: Jeroslav Haase, Peter Liechti, Hans Wegmuller, Rudolf F. Wurster, Quentin Bowes