Patents by Inventor Ranjani V. Parthasarathy

Ranjani V. Parthasarathy 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).

  • Methods and devices for removal of organic molecules from biological mixtures using an anion exchange material that includes a polyoxyalkylene
    Publication number: 20040209258
    Abstract: Methods and devices for removing small negatively charged molecules from a biological sample mixture that uses an anion exchange material that has associated therewith a polyoxyalkylene.
    Type: Application
    Filed: April 17, 2003
    Publication date: October 21, 2004
    Applicant: 3M Innovative Properties Company
    Inventors: Ranjani V. Parthasarathy, Rusty A. Rasmussen
  • High internal phase emulsion foams containing polyelectrolytes
    Publication number: 20040204510
    Abstract: This invention relates to foams made by polymerizing high internal phase emulsions (HIPE) containing polyelectrolytes. The emulsions comprise a continuous oil phase and a co- or discontinuous aqueous phase. The resulting foams are useful as a separations medium.
    Type: Application
    Filed: March 8, 2004
    Publication date: October 14, 2004
    Applicant: 3M Innovative Properties Company
    Inventors: Susannah C. Clear, Ranjani V. Parthasarathy, Ravi K. Sura, Philip P. Soo
  • Site specific ligation of proteins to synthetic particles
    Publication number: 20040131584
    Abstract: The present invention relates to site-specific conjugation of synthetic particles to proteins.
    Type: Application
    Filed: November 25, 2003
    Publication date: July 8, 2004
    Applicant: G. D. Searle & Co.
    Inventors: Stephen C. Lee, Ranjani V. Parthasarathy
  • High internal phase emulsion foams containing polyelectrolytes
    Patent number: 6750261
    Abstract: This invention relates to foams made by polymerizing high internal phase emulsions (HIPE) containing polyelectrolytes. The emulsions comprise a continuous oil phase and a co- or discontinuous aqueous phase. The resulting foams are useful as a separations medium.
    Type: Grant
    Filed: April 8, 2003
    Date of Patent: June 15, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Susannah C. Clear, Ranjani V. Parthasarathy, Ravi K. Sura, Philip P. Soo
  • Site specific ligation of proteins to synthetic particles
    Patent number: 6682727
    Abstract: The present invention relates to site-specific conjugation of synthetic particles to proteins.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: January 27, 2004
    Assignee: G. D. Searle & Co.
    Inventors: Stephen C. Lee, Ranjani V. Parthasarathy
  • Biological sample processing methods and compositions that include surfactants
    Patent number: 6617136
    Abstract: Compositions containing a near-IR dye and greater than about 0.5 wt-% of a surfactant selected from the group of a nonionic surfactant, a zwitterionic surfactant, and a mixture thereof, and methods for processing sample materials.
    Type: Grant
    Filed: April 24, 2001
    Date of Patent: September 9, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Ranjani V. Parthasarathy, Raj Rajagopal, William Bedingham, Michael D. Dirksen, Christopher J. Larson, Vinod P. Menon
  • Methods and devices for removal of organic molecules from biological mixtures using anion exchange
    Publication number: 20030138779
    Abstract: Methods and devices for removing small negatively charged molecules from a biological sample mixture that uses an anion exchange material.
    Type: Application
    Filed: December 20, 2001
    Publication date: July 24, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Ranjani V. Parthasarathy, Raj Rajagopal, Erin E. Olson, Frank J. Beissel, William Bedingham, Barry W. Robole
  • Methods and devices for removal of organic molecules from biological mixtures using a hydrophilic solid support in a hydrophobic matrix
    Publication number: 20030120062
    Abstract: Methods and devices for removing small negatively charged molecules from a biological sample mixture that uses a solid-phase extraction material that includes a hydrophilic solid support at least partially embedded within a hydrophobic matrix.
    Type: Application
    Filed: December 20, 2001
    Publication date: June 26, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Ranjani V. Parthasarathy, Raj Rajagopal, Vicky L. Morris, William Bedingham, Barry W. Robole
  • Biological sample processing methods and compositions that include surfactants
    Publication number: 20030017551
    Abstract: Compositions containing a near-IR dye and greater than about 0.5 wt-% of a surfactant selected from the group of a nonionic surfactant, a zwitterionic surfactant, and a mixture thereof, and methods for processing sample materials.
    Type: Application
    Filed: April 24, 2001
    Publication date: January 23, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Ranjani V. Parthasarathy, Raj Rajagopal, William Bedingham, Michael D. Dirksen, Christopher J. Larson, Vinod P. Menon
  • Biological sample processing methods and compositions that include surfactants
    Publication number: 20030017567
    Abstract: Compositions containing an enzyme, a dye, and an effective amount of a surfactant selected from the group of a nonionic surfactant, a zwitterionic surfactant, and a mixture thereof and methods for processing sample materials.
    Type: Application
    Filed: April 24, 2001
    Publication date: January 23, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Ranjani V. Parthasarathy, Raj Rajagopal, William Bedingham, Michael D. Dirksen, Christopher J. Larson, Vinod P. Menon