Patents by Inventor Lawrence Francis Hancock

Lawrence Francis Hancock 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).

  • Block copolymers
    Patent number: 5834583
    Abstract: A poly(ethyleneoxy) block copolymer including a hydrophobic block segment useful in making a porous polymer article with improved surface hydrophilicity. Also disclosed is a method of making such a polymer article.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: November 10, 1998
    Assignee: Circe Biomedical, Inc.
    Inventors: Lawrence Francis Hancock, Alan Jay Kishbaugh, Marc Ellous Parham
  • Thermoplastic block copolymers
    Patent number: 5798437
    Abstract: An amphiphilic block copolymer including a hydrophilic internal segment and polymeric articles made therefrom.
    Type: Grant
    Filed: July 29, 1996
    Date of Patent: August 25, 1998
    Assignee: Circe Biomedical, Inc.
    Inventors: Lawrence Francis Hancock, Alan Jay Kishbaugh, Marc Ellous Parham
  • Block copolymers
    Patent number: 5700902
    Abstract: A poly(ethyleneoxy) block copolymer including a hydrophobic block segment useful in making a porous polymer article with improved surface hydrophilicity. Also disclosed is a method of making such a polymer article.
    Type: Grant
    Filed: July 27, 1995
    Date of Patent: December 23, 1997
    Assignee: Circe Biomedical, Inc.
    Inventors: Lawrence Francis Hancock, Alan Jay Kishbaugh, Marc Ellous Parham
  • Block copolymers
    Patent number: 5700903
    Abstract: A poly(ethyleneoxy) block copolymer including a hydrophobic block segment useful in making a porous polymer article with improved surface hydrophilicity. Also disclosed is a method of making such a polymer article.
    Type: Grant
    Filed: April 18, 1996
    Date of Patent: December 23, 1997
    Assignee: Circe Biomedical, Inc.
    Inventors: Lawrence Francis Hancock, Alan Jay Kishbaugh, Marc Ellous Parham