Patents by Inventor Luis Ramirez-Arizmendi

Luis Ramirez-Arizmendi 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).

  • Fourier transform infrared (FTIR) chemometric method to determine cetane number of diesel fuels containing fatty acid alkyl ester additives
    Patent number: 7420170
    Abstract: The present invention is a method to determine the cetane number of a diesel fuel containing a fatty acid alkyl ester including determining the infrared spectrum of the fuel and correlating the spectrum to the cetane number using a multivariate-based Mid-FTIR model. The fatty acid alkyl ester may be rapeseed methyl ester and the infrared spectrum includes the frequency ranges 4900-3500 cm?1 and 2200-1624 cm?1 or the frequency ranges 4900-3500 cm?1 2200-1800 cm?1 and 1700-1624 cm?1.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: September 2, 2008
    Assignee: Exxonmobil Research and Engineering Company
    Inventors: Luis Ramirez-Arizmendi, Heather D. Hamje
  • Fourier transform infrared (FTIR) chemometric method to determine cetane number of diesel fuels containing fatty acid alkyl ester additives
    Publication number: 20070163168
    Abstract: The present invention is a method to determine the cetane number of a diesel fuel containing a fatty acid alkyl ester including determining the infrared spectrum of the fuel and correlating the spectrum to the cetane number using a multivariate-based Mid-FTIR model. The fatty acid alkyl ester may be rapeseed methyl ester and the infrared spectrum includes the frequency ranges 4900-3500 cm?1 and 2200-1624 cm?1 or the frequency ranges 4900-3500 cm?1 2200-1800 cm?1 and 1700-1624 cm?1.
    Type: Application
    Filed: January 9, 2007
    Publication date: July 19, 2007
    Inventors: Luis Ramirez-Arizmendi, Heather Hamje