Patents by Inventor Patrick Horny

Patrick Horny 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).

  • Process for removing ammonia from waste waters
    Patent number: 5294348
    Abstract: A method for removing ammonia, or ammonia and phosphates from industrial agricultural or household effluents by causing precipitation as magnesium ammonium phosphate by means of a liquid reagent containing magnesium and phosphate ions and an acid. The effluents have more than 1 gle of ammoniacal nitrogen and the pH is adjusted to between 9 and 11 after addition of the liquid reagent.
    Type: Grant
    Filed: July 22, 1992
    Date of Patent: March 15, 1994
    Assignee: Societe Nationale Elf Aquitaine
    Inventors: Patrick Horny, Alain Ladousse