Patents by Inventor Stephen Gottchalk

Stephen Gottchalk 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: 6177554
    Abstract: Nucleic acid transporter systems for delivery of nucleic acid to a cell. The nucleic acid transporter includes a binding complex. The binding complex contains a binding molecule which non-covalently binds to the nucleic acid and covalently links to a surface ligand, nuclear ligand and/or a lysis agent. These may be linked to the binding molecule by spacers.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: January 23, 2001
    Assignee: Baylor College of Medicine
    Inventors: Savio L. C. Woo, Louis C. Smith, Richard J. Cristiano, Stephen Gottchalk, Jim Sparrow
  • Patent number: 6150168
    Abstract: Nucleic acid transporter systems for delivery of nucleic acid to a cell. The nucleic acid transporter includes a binding complex. The binding complex contains a binding molecule which non-covalently binds to the nucleic acid and covalently links to a surface ligand, nuclear ligand and/or a lysis agent. These may be linked to the binding molecule by spacers.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: November 21, 2000
    Assignee: Baylor College of Medicine
    Inventors: Savio L. C. Woo, Louis C. Smith, Richard J. Cristiano, Stephen Gottchalk, Jim Sparrow
  • Patent number: 6033884
    Abstract: Nucleic acid transporter systems for delivery of nucleic acid to a cell. The nucleic acid transporter includes a binding complex. The binding complex contains a binding molecule which non-covalently binds to the nucleic acid and covalently links to a surface ligand, nuclear ligand and/or a lysis agent. These may be linked to the binding molecule by spacers.
    Type: Grant
    Filed: December 14, 1993
    Date of Patent: March 7, 2000
    Assignee: Baylor College of Medicine
    Inventors: Savio L. C. Woo, Louis C. Smith, Richard J. Cristiano, Stephen Gottchalk, Jim Sparrow
  • Patent number: 5994109
    Abstract: Nucleic acid transporter systems for delivery of nucleic acid to a cell. The nucleic acid transporter includes a binding complex. The binding complex contains a binding molecule which non-covalently binds to the nucleic acid and covalently links to a surface ligand, nuclear ligand and/or a lysis agent. These may be linked to the binding molecule by spacers.
    Type: Grant
    Filed: June 3, 1995
    Date of Patent: November 30, 1999
    Assignee: Baylor College of Medicine
    Inventors: Savio L. C. Woo, Louis C. Smith, Richard J. Cristiano, Stephen Gottchalk, Jim Sparrow