Patents by Inventor Chong-Son Sun

Chong-Son Sun 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).

  • Patent number: 8263131
    Abstract: The present invention relates to compositions of submicron- to micron-size particles of antimicrobial agents. More particularly the invention relates to a composition of an antimicrobial agent that renders the agent potent against organisms normally considered to be resistant to the agent. The composition comprises an aqueous suspension of submicron- to micron-size particles containing the agent coated with at least one surfactant selected from the group consisting of: ionic surfactants, non-ionic surfactants, biologically derived surfactants, and amino acids and their derivatives. The particles have a volume-weighted mean particle size of less than 5 ?m as measured by laser diffractometry.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: September 11, 2012
    Assignees: Baxter International Inc., Baxter Healthcare S.A.
    Inventors: Barrett Rabinow, Randy White, Chong-Son Sun, Joseph Chung Take Wong, James E. Kipp, Mark Doty, Christine L. Rebbeck, Pavlos Papadopoulos
  • Publication number: 20100086611
    Abstract: The present invention relates to compositions of submicron- to micron-size particles of antimicrobial agents. More particularly the invention relates to a composition of an antimicrobial agent that renders the agent potent against organisms normally considered to be resistant to the agent. The composition comprises an aqueous suspension of submicron- to micron-size particles containing the agent coated with at least one surfactant selected from the group consisting of: ionic surfactants, non-ionic surfactants, biologically derived surfactants, and amino acids and their derivatives. The particles have a volume-weighted mean particle size of less than 5 ?m as measured by laser diffractometry.
    Type: Application
    Filed: March 30, 2009
    Publication date: April 8, 2010
    Applicants: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE S.A.
    Inventors: Barrett Rabinow, Randy White, Chong-Son Sun, Joseph Chung Tak Wong, James E. Kipp, Mark J. Doty, Christine Rebbeck, Pavlos George Papadopoulos
  • Patent number: 7374870
    Abstract: Systems and methods treat plasma carrying contaminants and cellular matter that are capable of entraining contaminants. The systems and methods separate cellular matter from the plasma by filtration, thereby removing contaminants entrained within the cellular matter. The system and methods add to the plasma a photoactive material. The systems and methods emit radiation at a selected wavelength into the plasma to activate the photoactive material and thereby eradicate the contaminant that is free of entrainment by cellular matter.
    Type: Grant
    Filed: February 11, 2005
    Date of Patent: May 20, 2008
    Assignee: Fenwal, Inc.
    Inventors: Robert E. Herman, John Chapman, Chong-Son Sun, Jean M Mathias, Daniel F. Bischof
  • Publication number: 20050186553
    Abstract: Systems and methods treat plasma carrying contaminants and cellular matter that are capable of entraining contaminants. The systems and methods separate cellular matter from the plasma by filtration, thereby removing contaminants entrained within the cellular matter. The system and methods add to the plasma a photoactive material. The systems and methods emit radiation at a selected wavelength into the plasma to activate the photoactive material and thereby eradicate the contaminant that is free of entrainment by cellular matter.
    Type: Application
    Filed: February 11, 2005
    Publication date: August 25, 2005
    Inventors: Robert Herman, John Chapman, Chong-Son Sun, Jean Mathias, Daniel Bischof
  • Publication number: 20050048126
    Abstract: The present invention relates to compositions of submicron- to micron-size particles of antimicrobial agents. More particularly the invention relates to a composition of an antimicrobial agent that renders the agent potent against organisms normally considered to be resistant to the agent. The composition comprises an aqueous suspension of submicron- to micron-size particles containing the agent coated with at least one surfactant selected from the group consisting of: ionic surfactants, non-ionic surfactants, biologically derived surfactants, and amino acids and their derivatives. The particles have a volume-weighted mean particle size of less than 5 ?m as measured by laser diffractometry.
    Type: Application
    Filed: April 29, 2004
    Publication date: March 3, 2005
    Inventors: Barrett Rabinow, Randy White, Chong-Son Sun, Joseph Chung Wong, James Kipp, Mark Doty, Christine Rebbeck, Pavlos Papadopoulos
  • Patent number: 6855489
    Abstract: Systems and methods treat plasma carrying contaminants and cellular matter that are capable of entraining contaminants. The systems and methods separate cellular matter from the plasma by filtration, thereby removing contaminants entrained within the cellular matter. The system and methods add to the plasma a photoactive material. The systems and methods emit radiation at a selected wavelength into the plasma to activate the photoactive material and thereby eradicate the contaminant that is free of entrainment by cellular matter.
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: February 15, 2005
    Assignee: Baxter International Inc.
    Inventors: Robert E. Herman, John Chapman, Chong-Son Sun, Jean M. Mathias, Veronique Mayaudon, Serge de Gheldere, Daniel F. Bischof
  • Patent number: 6695805
    Abstract: Systems and methods treat plasma carrying contaminants and leukocytes that are capable of entraining contaminants. The systems and methods separate leukocytes from the plasma by filtration, thereby removing contaminants entrained within leukocytes. The systems and methods also add to the plasma a photoactive material and emit radiation at a selected wavelength into the plasma to activate the photoactive material and thereby eradicate the contaminant that is free of entrainment by leukocytes.
    Type: Grant
    Filed: May 5, 1998
    Date of Patent: February 24, 2004
    Assignee: Baxter International Inc.
    Inventors: Chong-Son Sun, John Chapman, Daniel F Bischof, Robert E Herman
  • Patent number: 6190855
    Abstract: System and methods treat plasma carrying contaminants and cellular matter that are capable of entraining contaminants. The systems and methods separate cellular matter from the plasma by filtration, thereby removing contaminants entrained within the cellular matter. The system and methods add to the plasma a photoactive material. The systems and methods emit radiation at a selected wavelength into the plasma to activate the photoactive material and thereby eradicate the contaminant that is free of entrainment by cellular matter.
    Type: Grant
    Filed: October 28, 1996
    Date of Patent: February 20, 2001
    Assignee: Baxter International Inc.
    Inventors: Robert E. Herman, John Chapman, Chong-Son Sun, Jean M Mathias, Veronique Mayaudon, Serge de Gheldere, Daniel F. Bischof
  • Patent number: 6168718
    Abstract: A method for purifying conventionally treated blood plasma to remove substantially all residual leukocytes while maintaining useful flow rates for medically useful amounts of plasma utilizes a disposable, heat-sterilizable filter employing one or more depth-type prefilters and at least one intermediate hydrophilic microporous membrane followed by at least one final hydrophilic microporous membrane having a smaller pore size than the intermediate membrane within a common housing. The purified plasma is preferably subjected to chemical treatment to destroy infectious agents such as hepatitis and HIV.
    Type: Grant
    Filed: February 10, 2000
    Date of Patent: January 2, 2001
    Assignee: Pall Corporation
    Inventors: Mark Alexander Sutter, Noel Tod Borton, Daniel F. Bischof, John Chapman, Robert E. Herman, Chong-Son Sun
  • Patent number: 5935092
    Abstract: Systems and methods treat plasma carrying contaminants and leukocytes that are capable of entraining contaminants. The systems and methods separate leukocytes from the plasma by filtration, thereby removing contaminants entrained within leukocytes. The systems and methods also add to the plasma a photoactive material and emit radiation at a selected wavelength into the plasma to activate the photoactive material and thereby eradicate the contaminant that is free of entrainment by leukocytes.
    Type: Grant
    Filed: December 19, 1995
    Date of Patent: August 10, 1999
    Assignee: Baxter International Inc.
    Inventors: Chong-Son Sun, John Chapman, Daniel F. Bischof, Robert E. Herman