Patents by Inventor Francis James Thomas Fildes

Francis James Thomas 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 lining for prosthetic device
    Patent number: 4044404
    Abstract: A lining for a prosthetic device such as an artificial internal organ comprises a mat of fibres prepared by electrostatically spinning an organic material and collecting the spun fibres on a receiver.
    Type: Grant
    Filed: August 1, 1975
    Date of Patent: August 30, 1977
    Assignee: Imperial Chemical Industries Limited
    Inventors: Graham Ernest Martin, Ian Derek Cockshott, Francis James Thomas Fildes
  • Slow release biologically active materials for feeding to ruminant animals
    Patent number: 4001389
    Abstract: Biologically active compositions suitable for feeding to a ruminant animal containing a biologically active material coated with or in a matrix of a polymeric material having amide repeat units of the structure--NR.sub.1 --A--NR.sub.1 --CO--B--CO-- (I)wherein the groups R.sub.1, which may be the same or different, are hydrogen alkyl or substituted alkyl groups, and A and B are divalent groups one or both of which includes the group ##STR1## wherein the groups R.sub.2, which may be the same or different, are hydrogen alkyl or substituted alkyl groups the proportion of nitrogen in the polymeric material derived from the amino groups in II being in the range of from 2% to 10% by weight of the polymeric material.
    Type: Grant
    Filed: September 23, 1974
    Date of Patent: January 4, 1977
    Assignee: Imperial Chemical Industries Limited
    Inventor: Francis James Thomas Fildes