Patents by Inventor Paul Duffield

Paul Duffield 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).

  • Publication number: 20060230709
    Abstract: A process for the preparation of a package containing a compacted particulate composition, comprising: a. placing a compacted particulate composition on a first film; b. positioning a second film over said composition; and c. sealing said first film to said second film and at least partly evacuating the atmosphere from the inside of said package so as to allow said first film and said second film to cling to said composition.
    Type: Application
    Filed: May 4, 2004
    Publication date: October 19, 2006
    Applicant: Reckitt Benckiser (UK) Limited
    Inventors: Paul Duffield, David Edwards
  • Publication number: 20060049076
    Abstract: A water-soluble container comprising a first compartment containing a first composition, a second compartment containing a second composition and a rigid spacer located in the first compartment and/or the second compartment, such that a wall or wall section of the first and/or second compartment is prevented from contacting a wall or wall section of the other compartment.
    Type: Application
    Filed: August 5, 2003
    Publication date: March 9, 2006
    Applicant: Reckitt Benckiser (UK) Limited
    Inventors: Philippe Bourgoin, Paul Duffield, Fabienne Miler, Ralf Wiedemann
  • Publication number: 20060000831
    Abstract: Packaging for moisture-sensitive material, in particular detergent material, comprising an outer container comprising a container body and a lid cover hingedly fixed to the container body, and an inner bag made of water-impermeable flexible sheet material for receiving the moisture-sensitive material, the mouth of the inner bag being fixed both at the lid cover and at the sidewalls of the container body in such a way that, when the lid cover is lifted, the lower part of the inner bag is significantly lifted from the bottom of the container body.
    Type: Application
    Filed: November 8, 2001
    Publication date: January 5, 2006
    Inventors: Ralf Wiedemann, Marcus Guzmann, Paul Duffield, Jacobus Van Diepen, Geoffrey Hammond
  • Publication number: 20050263236
    Abstract: A process for preparing a water-soluble container which comprises: a) thermoforming a first poly(vinyl alcohol) film having a water content of less than 5 wt % to produce a pocket; b) filling the pocket with a composition; c) placing a second film on top of the filled pocket; and d) scaling the first film and second film together.
    Type: Application
    Filed: July 28, 2005
    Publication date: December 1, 2005
    Inventor: Paul Duffield
  • Publication number: 20050150189
    Abstract: A process for preparing a water-soluble container which comprises: a) thermoforming a first poly(vinyl alcohol) film having a water content of less than 5 wt % to produce a pocket; b) filling the pocket with a composition; c) placing a second film on top of the filled pocket; and d) scaling the first film and second film together.
    Type: Application
    Filed: March 7, 2005
    Publication date: July 14, 2005
    Inventor: Paul Duffield
  • Publication number: 20050056364
    Abstract: A process for preparing a laminated, thermoformed film which comprises: a. blowing a film-forming composition to form a bubble; b. collapsing the bubble to form a film stack comprising a plurality of layers; and c. heating said film stack in a mould to thermoform said film stack and to adhere the layers together.
    Type: Application
    Filed: January 24, 2002
    Publication date: March 17, 2005
    Inventors: Paul Duffield, Geoffrey Hammond
  • Publication number: 20050048234
    Abstract: A container comprising a thermoformed pocket and a lid, wherein the pocket comprises a water-soluble laminate comprising at least one extruded film laminated to at least one solution cast film.
    Type: Application
    Filed: December 18, 2002
    Publication date: March 3, 2005
    Inventor: Paul Duffield
  • Publication number: 20040172917
    Abstract: A process for preparing a water-soluble article comprising a water-soluble primary thermoformed component and a water-soluble secondary component attached thereto, which comprises placing the secondary component in the cavity of a thermoforming mould, thereafter placing a primary component in or over the thermoforming mould, forming the primary thermoformed component by thermoforming the primary component in the mould, and removing the article from the mould.
    Type: Application
    Filed: April 21, 2004
    Publication date: September 9, 2004
    Inventor: John Paul Duffield