Patents by Inventor Poul A. Jodehl

Poul A. Jodehl 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 treating polluted aqueous media
    Patent number: 4253958
    Abstract: The disclosure relates to a method of purifying aqueous media, in which the aqueous medium is treated under agitation, preferably air agitation, with a product which is prepared from lignin sulphonate, at least one cerium salt and aluminium sulphate. Use of the disclosed product for purifying aqueous media also falls within the scope of the invention.
    Type: Grant
    Filed: August 30, 1979
    Date of Patent: March 3, 1981
    Inventor: Poul A. Jodehl