Patents Assigned to Precision Processes Textiles
  • 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: 5755827
    Abstract: A method for the treatment of wool so as to impart shrink resistance and which comprises treating the wool simultaneously with permonsulphuric acid, or a salt thereof, one or more scouring or wetting agents and one or more fiber swelling or dispersing agents. In a preferred embodiment, the method of treatment further comprises subjecting the wool to a polymer treatment. The method may be operated either as a continuous or as a batch process.
    Type: Grant
    Filed: June 20, 1994
    Date of Patent: May 26, 1998
    Assignee: Precision Processes Textiles
    Inventors: Susan Bamford, John Ellis, 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
  • Method for the treatment of cellulosic fibres with amino functional and silicone polymers
    Patent number: 5445652
    Abstract: A method for imparting a softer handle to cellulosic fibres which comprises treating the fibres with a) an amino functional polymer and b) silicone polymer capable of reacting with the reactive groupings of the amino functional polymer, so as to cause the polymers a) and b) to be applied to the cellulosic fibres. The method may be performed either as a continuous process or as a batch process.
    Type: Grant
    Filed: April 12, 1993
    Date of Patent: August 29, 1995
    Assignee: Precision Processes Textiles
    Inventors: David L. Connell, Kenneth M. Huddlestone, Anthony Szpala