Patents by Inventor Hans Frickel

Hans Frickel 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 and device for the online analysis of solvent mixtures
    Patent number: 6820013
    Abstract: The invention relates to a method and an apparatus for the on-line analysis of liquid substance mixtures by means of NIRS. For evaluation by spectral data comparison, merely the binary mixtures of the possible components in quantitative graduations are used as calibration spectra. In order to accelerate the evaluation, all data points of a spectrum are summated, and each spectrum is characterized by only one characteristic number.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: November 16, 2004
    Assignee: Merck Patent GmbH
    Inventors: Hans Frickel, Hanshelmut Itzel, Joachim Born