Patents by Inventor Henry K. H. Kwan

Henry K. H. Kwan 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).

  • COMPOSITIONS COMPRISING VIRUSES AND METHODS FOR CONCENTRATING VIRUS PREPARATIONS
    Publication number: 20120093777
    Abstract: A composition is disclosed comprising virus in a formulation comprising a polyhydroxy hydrocarbon buffered to maintain a pH in a range from about 7 to about 8.5 at a temperature in the range from about 2° C. to 27° C. Methods for concentrating and purifying virus preparations are also disclosed.
    Type: Application
    Filed: December 22, 2011
    Publication date: April 19, 2012
    Inventors: Andreas Frei, Henry K.H. Kwan, Varda E. Sandweiss, Gary J. Vellekamp, Pui-Ho Yuen, Laureano L. Bondoc, JR., Frederick William Porter, IV, John Chu-Tay Tang, Peter Ihnat
  • Compositions comprising viruses and methods for concentrating virus preparations
    Publication number: 20090098632
    Abstract: A composition is disclosed comprising virus in a formulation comprising a polyhydroxy hydrocarbon buffered to maintain a pH in a range from about 7 to about 8.5 at a temperature in the range from about 2° C. to 27° C. Methods for concentrating and purifying virus preparations are also disclosed.
    Type: Application
    Filed: April 4, 2008
    Publication date: April 16, 2009
    Applicant: Schering Corporation
    Inventors: Andreas Frei, Henry K.H. Kwan, Varda E. Sandweiss, Gary J. Vellekamp, Pui-Ho Yuen, Laureano L. Bondoc, JR., Frederick William Porter, IV, John Chu-Tay Tang, Peter Ihnat
  • COMPOSITIONS COMPRISING VIRUSES AND METHODS FOR CONCENTRATING VIRUS PREPARATIONS
    Publication number: 20080293123
    Abstract: A composition is disclosed comprising virus in a formulation comprising a polyhydroxy hydrocarbon buffered to maintain a pH in a range from about 7 to about 8.5 at a temperature in the range from about 2° C. to 27° C. Methods for concentrating and purifying virus preparations are also disclosed.
    Type: Application
    Filed: August 7, 2008
    Publication date: November 27, 2008
    Applicant: Schering Corporation
    Inventors: Andreas Frei, Henry K.H. Kwan, Varda E. Sandweiss, Gary J. Vellekamp, Pui-Ho Yuen, Laureano L. Bondoc, JR., Frederick William Porter, IV, John Chu-Tay Tang, Peter Ihnat
  • COMPOSITIONS COMPRISING VIRUSES AND METHODS FOR CONCENTRATING VIRUS PREPARATIONS
    Publication number: 20080261289
    Abstract: A composition is disclosed comprising virus in a formulation comprising a polyhydroxy hydrocarbon buffered to maintain a pH in a range from about 7 to about 8.5 at a temperature in the range from about 2° C. to 27° C. Methods for concentrating and purifying virus preparations are also disclosed.
    Type: Application
    Filed: June 26, 2008
    Publication date: October 23, 2008
    Applicant: Schering-Plough Corporation
    Inventors: Andreas Frei, Henry K.H. Kwan, Varda E. Sandweiss, Gary J. Vellkamp, Pui-Ho Yuen, Laureano L. Bondoc, Frederick William Porter, John Chu-Tay Tang, Peter Ihnat
  • Compositions comprising viruses and methods for concentrating virus preparations
    Publication number: 20080194002
    Abstract: A composition is disclosed comprising virus in a formulation comprising a polyhydroxy hydrocarbon buffered to maintain a pH in a range from about 7 to about 8.5 at a temperature in the range from about 2° C. to 27° C. Methods for concentrating and purifying virus preparations are also disclosed.
    Type: Application
    Filed: April 14, 2008
    Publication date: August 14, 2008
    Applicant: Canji, Inc.
    Inventors: Andreas Frei, Henry K.H. Kwan, Varda E. Sandweiss, Gary J. Vellekamp, Pui-Ho Yuen, Laureano L. Bondoc, Frederick William Porter, John Chu-Tay Tang, Peter Ihnat
  • Compositions Comprising Viruses and Methods for Concentrating Virus Preparations
    Publication number: 20080138318
    Abstract: A composition is disclosed comprising virus in a formulation comprising a polyhydroxy hydrocarbon buffered to maintain a pH in a range from about 7 to about 8.5 at a temperature in the range from about 20° C. to 27° C. Methods for concentrating and purifying virus preparations are also disclosed.
    Type: Application
    Filed: October 31, 2007
    Publication date: June 12, 2008
    Inventors: Andreas Frei, Henry K.H. Kwan, Varda E. Sandweiss, Gary J. Vellekamp, Pui-Ho Yuen, Laureano L. Bondoc, Frederick William Porter, John Chu-Tay Tang, Peter Ihnat
  • Compositions comprising viruses and methods for concentrating virus preparations
    Publication number: 20030157066
    Abstract: A composition is disclosed comprising virus in a formulation comprising a polyhydroxy hydrocarbon buffered to maintain a pH in a range from about 7 to about 8.5 at a temperature in the range from about 2° C. to 27° C. Methods for concentrating and purifying virus preparations are also disclosed.
    Type: Application
    Filed: April 4, 2003
    Publication date: August 21, 2003
    Inventors: Andreas Frei, Henry K.H. Kwan, Varda E. Sandweiss, Gary J. Vellekamp, Pui-Ho Yuen, Laureano L. Bondoc, Frederick William Porter, John Chu-Tay Tang, Peter Ihnat
  • Compostions comprising viruses and methods for concentrating virus preparations
    Patent number: 6544769
    Abstract: A composition is disclosed comprising virus in a formulation comprising a polyhydroxy hydrocarbon buffered to maintain a pH in a range from about 7 to about 8.5 at a temperature in the range from about 2° C. to 27° C. Methods for concentrating and purifying virus preparations are also disclosed.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: April 8, 2003
    Assignee: Schering Corporation
    Inventors: Andreas Frei, Henry K. H. Kwan, Varda E. Sandweiss, Gary J. Vellekamp, Pui-Ho Yuen, Peter Ihnat
  • Biologically stable interferon compositions comprising thimerosal
    Patent number: 4847079
    Abstract: Stable pharmaceutical compositions comprising interferon and thimerosal which are substantially resistant to microorganism contamination and growth are disclosed.
    Type: Grant
    Filed: July 27, 1987
    Date of Patent: July 11, 1989
    Assignee: Schering Corporation
    Inventor: Henry K. H. Kwan