Patents by Inventor Patrick Arthur White

Patrick Arthur White 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).

  • Process of making cellulose filaments
    Patent number: 5951932
    Abstract: A method of producing lyocell fibers by spinning a solution of cellulose in an organic solvent through an air gap and into a spin bath in which there is provided a cross-draught of air in the air gap.
    Type: Grant
    Filed: April 3, 1995
    Date of Patent: September 14, 1999
    Assignee: Acordis Fibres (Holdings) Limited
    Inventors: Patrick Arthur White, Malcolm John Hayhurst, Alan R Owens, Ian David Roughsedge, Richard James Davies, Alan Sellars, Jacqueline Fave MacDonald, Michael Colin Quigley, Ralph Draper, Ronald Derek Payne
  • Process of making cellulose filaments
    Patent number: 5939000
    Abstract: A method of producing lyocell fibres by spinning a solution of cellulose in an organic solvent through an air gap and into a spin bath in which there is provided a cross-draught of air in the air gap.
    Type: Grant
    Filed: April 3, 1995
    Date of Patent: August 17, 1999
    Assignee: Acordis Fibres (Holdings) Limited
    Inventors: Patrick Arthur White, Malcolm John Hayhurst, Alan R Owens, Ian David Roughsedge, Richard James Davies, Alan Sellars, Jacqueline Faye MacDonald, Michael Colin Quigley, Ralph Draper, Ronald Derek Payne
  • Spinnerette
    Patent number: 5652001
    Abstract: A spinnerette for the spinning of fibres has a rectangular frame with an upper flange for connection to a jet assembly and a lower planar apertured plate for the passage of spinning dope, the apertured plate being formed with its spinning holes and then electron beam welded into the bottom of the frame from the outside.
    Type: Grant
    Filed: May 24, 1993
    Date of Patent: July 29, 1997
    Assignee: Courtaulds Fibres Limited
    Inventors: Michael Robert Perry, Alan Sellars, Patrick Arthur White
  • Spinning cell
    Patent number: 5639484
    Abstract: A spinning cell for producing lyocell fibre by spinning a solution of cellulose in an organic solvent through an air gap into a spin bath has nozzles to create a cross-draught through the air gap.
    Type: Grant
    Filed: April 3, 1995
    Date of Patent: June 17, 1997
    Assignee: Courtaulds Fibres (Holdings) Limited
    Inventors: Patrick Arthur White, Malcolm John Hayhurst, Alan R. Owens, Ian David Roughsedge, Richard James Davies, Alan Sellars, Jacqueline Faye MacDonald, Michael Colin Quigley, Ralph Draper, Ronald Derek Payne