Patents by Inventor Neli Ya. Tsibakhashvili

Neli Ya. Tsibakhashvili 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 trivalent chromium concentration determination by atomic spectrometry
    Patent number: 7148068
    Abstract: A method is disclosed for determining the concentration of trivalent chromium Cr(III) in a sample. The addition of perchloric acid has been found to increase the atomic chromium spectrometric signal due to Cr(III), while leaving the signal due to hexavalent chromium Cr(VI) unchanged. This enables determination of the Cr(III) concentration without pre-concentration or pre-separation from chromium of other valences. The Cr(III) concentration may be measured using atomic absorption spectrometry, atomic emission spectrometry or atomic fluorescence spectrometry.
    Type: Grant
    Filed: April 1, 2003
    Date of Patent: December 12, 2006
    Inventors: Aleksandre N. Reheulishvili, Neli Ya. Tsibakhashvili