Patents by Inventor Nikolaus Jehle

Nikolaus Jehle 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 purifying organic solutions
    Patent number: 4502957
    Abstract: Polymers and, where present, conventional additives, are removed from organic solutions with activated carbon.
    Type: Grant
    Filed: November 15, 1982
    Date of Patent: March 5, 1985
    Assignee: Ciba-Geigy Corporation
    Inventors: Nikolaus Jehle, Markus Th/u/ er, Ewald Losert