Patents by Inventor Alexandre Tarassov

Alexandre Tarassov 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).

  • APPARATUS AND METHOD FOR AGRICULTURAL CONTAMINANT DETECTION
    Publication number: 20240128068
    Abstract: An apparatus for detecting a substance comprising a direct analysis in real time apparatus; a neutral excluder; a mass spectrometer; and a vessel in. The apparatus may also comprise a separator, a gas, an alcohol, a filter, and a pump. The apparatus may also comprise electrodes in communication with the direct analysis in real time apparatus and the neutral excluder. A method for detecting a substance comprising contacting the substance with a direct analysis in real time apparatus ion stream; forming an ion and a neutral particle; flowing the ion and the neutral particle into a neutral excluder; contacting the ion and the neutral particle with a gas; and flowing the ion into a mass spectrometer.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 18, 2024
    Applicant: Arrowhead Center, Inc.
    Inventors: Gary A. Eiceman, Jennifer J. Randall, Gyoungil Lee, Alexandre Tarassov
  • Apparatus and method for agricultural contaminant detection
    Patent number: 11862447
    Abstract: An apparatus for detecting a substance comprising a direct analysis in real time apparatus; a neutral excluder; a mass spectrometer; and a vessel in. The apparatus may also comprise a separator, a gas, an alcohol, a filter, and a pump. The apparatus may also comprise electrodes in communication with the direct analysis in real time apparatus and the neutral excluder. A method for detecting a substance comprising contacting the substance with a direct analysis in real time apparatus ion stream; forming an ion and a neutral particle; flowing the ion and the neutral particle into a neutral excluder; contacting the ion and the neutral particle with a gas; and flowing the ion into a mass spectrometer.
    Type: Grant
    Filed: March 1, 2023
    Date of Patent: January 2, 2024
    Assignee: Arrowhead Center, Inc.
    Inventors: Gary A. Eiceman, Jennifer J. Randall, Gyoungil Lee, Alexandre Tarassov
  • APPARATUS AND METHOD FOR AGRICULTURAL CONTAMINANT DETECTION
    Publication number: 20230290624
    Abstract: An apparatus for detecting a substance comprising a direct analysis in real time apparatus; a neutral excluder; a mass spectrometer; and a vessel in. The apparatus may also comprise a separator, a gas, an alcohol, a filter, and a pump. The apparatus may also comprise electrodes in communication with the direct analysis in real time apparatus and the neutral excluder. A method for detecting a substance comprising contacting the substance with a direct analysis in real time apparatus ion stream; forming an ion and a neutral particle; flowing the ion and the neutral particle into a neutral excluder; contacting the ion and the neutral particle with a gas; and flowing the ion into a mass spectrometer.
    Type: Application
    Filed: March 1, 2023
    Publication date: September 14, 2023
    Applicant: Arrowhead Center, Inc.
    Inventors: Gary A. Eiceman, Jennifer J. Randall, Gyoungil Lee, Alexandre Tarassov