Patents by Inventor David Longley Connell

David Longley Connell 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).

  • Softening agents
    Patent number: 5858023
    Abstract: A method for the treatment of natural or synthetic fibers, such as wool, cotton, nylon or acrylic, so as to impart a softer handle, comprising treating the fibers with a polymer or prepolymer as defined. The method may be performed as either a continuous process or as a batch process.
    Type: Grant
    Filed: May 5, 1995
    Date of Patent: January 12, 1999
    Assignee: Precision Processes Textiles
    Inventors: Susan Bamford, David Longley Connell, Kenneth Michael Huddlestone
  • Method for the treatment of wool
    Patent number: 5697983
    Abstract: A method for imparting shrink resistance to wool which comprises treating the wool simultaneously with both hydrogen peroxide and permonosulphuric acid or salts thereof. Preferably, the wool is then further subjected to a polymer treatment. The method may be performed either as a continuous process or as a batch process.
    Type: Grant
    Filed: February 4, 1993
    Date of Patent: December 16, 1997
    Assignee: Precision Processes Textiles
    Inventors: David Longley Connell, Kenneth Michael Huddlestone