Patents by Inventor Francis J. T. Fildes

Francis J. T. Fildes 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).

  • Fibrillar product
    Patent number: 4878908
    Abstract: The disclosure relates to a prosthetic device and method for repairing a damaged blood vessel comprising a mat of fibers adjacent the bore of a tube having a disposition substantially parallel to the inner surface of the tube, the mat having a thickness of 0.5 mm to 5 mm.
    Type: Grant
    Filed: June 1, 1988
    Date of Patent: November 7, 1989
    Assignee: Imperial Chemical Industries PLC
    Inventors: Graham E. Martin, Ian D. Cockshott, Francis J. T. Fildes
  • Process for preparing freeze-dried liposome compositions
    Patent number: 4370349
    Abstract: Process for preparing a freeze-dried, potential liposome, mixture which comprises either (a) dissolving at least one liposome-forming amphipathic lipid, at least one biologically-active compound, and optionally one or more adjuvants, in a suitable solvent, and then freeze-drying the solution, or (b) preparing by any known method an aqueous liposome composition containing at least one biologically-active compound, and then freeze-drying the said aqueous liposome composition. Process for preparing an aqueous liposome composition which comprises dispersing said freeze-dried, potential liposome, mixture, obtained by procedure (a) or (b), in a suitable aqueous medium.
    Type: Grant
    Filed: September 18, 1981
    Date of Patent: January 25, 1983
    Assignee: Imperial Chemical Industries Limited
    Inventors: John R. Evans, Francis J. T. Fildes, Jean E. Oliver
  • Process for preparing freeze-dried liposome compositions
    Patent number: 4311712
    Abstract: Process for preparing a freeze-dried, potential liposome, mixture which comprises either (a) dissolving at least one liposome-forming amphipathic lipid, at least one biologically-active compound, and optionally one or more adjuvants, in a suitable solvent, and then freeze-drying the solution, or (b) preparing by any known method an aqueous liposome composition containing at least one biologically-active compound, and then freeze-drying the said aqueous liposome composition. Process for preparing an aqueous liposome composition which comprises dispersing said freeze-dried, potential liposome, mixture, obtained by procedure (a) or (b), in a suitable aqueous medium.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: January 19, 1982
    Assignee: Imperial Chemical Industries Limited
    Inventors: John R. Evans, Francis J. T. Fildes, Jean E. Oliver
  • Delivery means for biologically active agents
    Patent number: 4235988
    Abstract: A sustained release delivery means comprising a biologically active agent and a hydrophilic linear block poly oxyalkylene- polyurethane copolymer.
    Type: Grant
    Filed: May 31, 1979
    Date of Patent: November 25, 1980
    Assignee: Imperial Chemical Industries Limited
    Inventors: Francis J. T. Fildes, Francis G. Hutchinson
  • Delivery means for biologically active agents comprising hydrophilic polyurethane
    Patent number: 4202880
    Abstract: Sustained release delivery means comprising (i) a biologically active agent, (ii) a linear hydrophilic block polyoxyalkylene-polyurethane copolymer, and (iii) optionally containing a buffer. Included among the biologically active agents are abortifacient compounds.
    Type: Grant
    Filed: November 28, 1977
    Date of Patent: May 13, 1980
    Assignee: Imperial Chemical Industries Limited
    Inventors: Francis J. T. Fildes, Francis G. Hutchinson