Patents by Inventor Jacqueline Faye MacDonald

Jacqueline Faye MacDonald 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: 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
  • 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