Patents Assigned to G. R. Advanced Materials Ltd.
  • STENCIL MASTER
    Publication number: 20080280059
    Abstract: A heat-sensitive stencil master comprises a heat-sensitive polymeric film having a thickness of less than 10 ?m and, coated thereon, a solid resinous foam comprising a foaming agent. The stencil master is of particular use in a digital duplicating printing process.
    Type: Application
    Filed: October 31, 2007
    Publication date: November 13, 2008
    Applicant: G R Advanced Materials Ltd.
    Inventors: JOHN CHRISTOPHER ADAMS, ANDREW MCVITIE
  • Emulsion ink
    Patent number: 7037364
    Abstract: A water-in-oil emulsion ink comprises a water phase and an oil phase, wherein the water phase comprises a pigment, a resin and a water-soluble alcohol or polyol with a boiling point greater than 197° C. The ink has improved image recovery properties.
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: May 2, 2006
    Assignees: G R Advanced Materials Ltd, Tohoku Ricoh Co. Ltd.
    Inventors: John Hamilton, Keisuke Asada
  • Stencil master
    Publication number: 20040126563
    Abstract: A heat-sensitive stencil master comprises a heat-sensitive polymeric film having a thickness of less than 10 &mgr;m and, coated thereon, a solid resinous foam comprising a foaming agent. The stencil master is of particular use in a digital duplicating printing process.
    Type: Application
    Filed: November 18, 2003
    Publication date: July 1, 2004
    Applicant: G R Advanced Materials Ltd.
    Inventors: John Christopher Adams, Andrew McVitie
  • Emulsion inks
    Patent number: 6527842
    Abstract: An emulsion ink comprises a continuous oil phase, two or more dispersed liquid phases, one of which is a dispersed oil phase, and a solid material dispersed in the dispersed oil phase. The emulsion ink is suitable for use on a stencil or digital duplicator, and has improved rheological properties.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: March 4, 2003
    Assignee: G R Advanced Materials Ltd.
    Inventors: John Christopher Adams, John Hamilton
  • Printing process for applying a composition using a stencil or digital duplicator
    Patent number: 6289812
    Abstract: A printing process including applying a composition to a substrate using a digital or stencil duplicator, the composition including a dispersion of particles of a thermoplastic or thermosetting polymer dispersed in an involatile organic liquid, where the size of the particles in the composition is less than 35 &mgr;m.
    Type: Grant
    Filed: October 2, 1998
    Date of Patent: September 18, 2001
    Assignee: G. R. Advanced Materials Ltd.
    Inventors: John Christopher Adams, John Hamilton
  • Emulsion ink
    Patent number: 6066199
    Abstract: Ink comprising a water-in-oil emulsion consisting of an aqueous phase and an oil phase and a coloring agent, wherein the oil phase comprises at least about 25% w/w of a silicone oil and an emulsifier.
    Type: Grant
    Filed: October 27, 1998
    Date of Patent: May 23, 2000
    Assignee: G R Advanced Materials Ltd.
    Inventors: John Christopher Adams, Peter James Stotereau