Patents by Inventor Sunder Rangachari

Sunder Rangachari 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).

  • Processes for producing and recovering shikimic acid
    Patent number: 8344178
    Abstract: The present invention generally relates to processes for producing and recovering cyclitolcarboxylic acids such as shikimic acid and quinic acid. In particular, the present invention is directed to processes for producing shikimic acid that comprise contacting glyphosate and an organism that has the common aromatic biosynthetic pathway. The present invention is also directed to recovery of the shikimic acid product from aqueous process streams utilizing membrane separation techniques.
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: January 1, 2013
    Assignee: Monsanto Technology LLC
    Inventors: Sunder Rangachari, Todd C. Friedman, Greg Hartmann, Robert B. Weisenfeld
  • PROCESSES FOR PRODUCING AND RECOVERING SHIKIMIC ACID
    Publication number: 20100298599
    Abstract: The present invention generally relates to processes for producing and recovering cyclitolcarboxylic acids such as shikimic acid and quinic acid. In particular, the present invention is directed to processes for producing shikimic acid that comprise contacting glyphosate and an organism that has the common aromatic biosynthetic pathway.
    Type: Application
    Filed: October 16, 2008
    Publication date: November 25, 2010
    Applicant: MONSANTO TECHNOLOGY LLC
    Inventors: Sunder Rangachari, Todd C. Friedman, Greg Hartmann, John W. Hemminghaus, Keith A. Kretzmer, Nicholas J. Nissing, Robert B. Weisenfeld
  • Process for selective removal of water and impurities from N-(phosphonomethyl)glycine
    Patent number: 7771494
    Abstract: Processes for the preparation, concentration and recovery an N-(phosphonomethyl)glycine product from aqueous process streams including contacting mother liquor generated in the precipitation of N-(phosphonomethyl)glycine product crystals with a selective membrane to produce a retentate enriched N-(phosphonomethyl)glycine product and a permeate depleted in N-(phosphonomethyl)glycine product are disclosed.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: August 10, 2010
    Assignee: Monsanto Technology LLC
    Inventors: Sunder Rangachari, Ed Ries, Eduardo Casanova, Randall Alberts, Todd Friedman, Greg Hartmann
  • Process for Selective Removal of Water and Impurities from N-(Phosphonomethyl)Glycine
    Publication number: 20080178433
    Abstract: Processes for the preparation, concentration and recovery an N-(phosphonomethyl)glycine product from aqueous process streams including contacting mother liquor generated in the precipitation of N-(phosphonomethyl)glycine product crystals with a selective membrane to produce a retentate enriched N-(phosphonomethyl)glycine product and a permeate depleted in N-(phosphonomethyl)glycine product are disclosed.
    Type: Application
    Filed: January 31, 2007
    Publication date: July 31, 2008
    Applicant: MONSANTO TECHNOLOGY LLC
    Inventors: Sunder Rangachari, Ed Ries, Eduardo Casanova, Randall Alberts, Todd Friedman, Greg Hartmann
  • Altering the crystal size distribution of N-(phosphonomethyl) iminodiacetic acid for improved filtration and product quality
    Publication number: 20060247463
    Abstract: Improved processes for preparing and crystallizing N-(phosphonomethyl)iminodiacetic acid are provided. The processes include adding N-(phosphonomethyl)iminodiacetic acid seed crystals to N-(phosphonomethyl)iminodiacetic acid reaction solutions. Provided are beds of crystallized N-(phosphonomethyl)iminodiacetic acid having improved permeability and filtration rate and reduced impurities.
    Type: Application
    Filed: April 25, 2006
    Publication date: November 2, 2006
    Applicant: Monsanto Technology LLC
    Inventors: Sunder Rangachari, Todd Friedman, Sherrol Baysdon, David Becher