Patents by Inventor Adelheid Boehme

Adelheid Boehme 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).

  • Nutrient mixtures for the bioremediation of polluted soils and waters
    Patent number: 5635392
    Abstract: A nutrient concentrate for stimulation of growth for the accelerated cultivation and growth of hydrocarbon-consuming microorganisms as well as a process for their use in bioremediation is disclosed. The concentrate is an admixture of water-soluble and/or oil-soluble compounds of phosphorus (P) and nitrogen (N) and other components. The concentrate is in the form of a liquid water-based preparation and contains an ester of phosphoric acid as both an emulsifier and a P source. Further, from 10 to 40% by weight urea is contained in the concentrate as a N source. The invention also relates to the treatment of polluted soils, waters, and articles using a diluted aqueous solution of the concentrated admixture.
    Type: Grant
    Filed: December 1, 1994
    Date of Patent: June 3, 1997
    Assignee: Henkel Kommanditgesdellschaft auf Aktien
    Inventors: Bettina Kopp-Holtwiesche, Albrecht Weiss, Adelheid Boehme