Patents by Inventor Urs Riede

Urs Riede 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).

  • Anti-dandruff shampoo
    Patent number: 5494675
    Abstract: A method of treating dandruff in warm-blooded animals comprising applying to the hair of a warm-blooded animal an anti-dandruff effective amount of an alkali metal or ammonium salt of a low molecular weight huminate with a mean molecular weight of 1000 with a range of 300 to 1500 and a method of treating or preventing dandruff.
    Type: Grant
    Filed: September 11, 1992
    Date of Patent: February 27, 1996
    Assignee: Rutgerswerke Aktiengesellschaft
    Inventors: Helmut Beilharz, Bernard Seubert, Urs Riede
  • Hazardous chemical decontamination process
    Patent number: 5271772
    Abstract: A process for the decontamination of surfaces and solid objects contaminated with hazardous chemical substances comprising treating the surfaces and solid objects with a solution of alkali metal huminates of low molecular weight and compositions used therein.
    Type: Grant
    Filed: February 3, 1992
    Date of Patent: December 21, 1993
    Assignee: Rutgerswerke AG
    Inventors: Urs Riede, Hans W. Kleffner, Bernhard Seubert