Patents by Inventor Manfried Lasch

Manfried Lasch 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 contaminated aqueous phosphoric acid solutions
    Patent number: 4749455
    Abstract: Phosphoric acid solution used in the decontamination of radioactive metal articles is reacted with oxalic acid to precipitate the iron oxalate which is then pyrolyzed to form a mixture of oxides in small volume for storage as a radioactive waste. The solution from which the oxalate is removed is evaporatively concentrated and reused for decontamination.
    Type: Grant
    Filed: August 28, 1987
    Date of Patent: June 7, 1988
    Assignee: KGB Kernkraftwerke Gundremmingen Betriebsgesellschaft mbH
    Inventors: Manfried Lasch, Norbert Eickelpasch, Hans-Peter Mies, Wolfgang Stang