Patents by Inventor Nigel Antony Caiger

Nigel Antony Caiger 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).

  • Radiation-curable ink-jet ink vehicle
    Patent number: 6586492
    Abstract: An ink-jet ink is provided including an ink jet vehicle and a colorant. The vehicle includes at least 35% by weight radiation curable material, based on the total vehicle weight. The vehicle may but does not necessarily include a thickener. The vehicle is a paste or a solid at 20° C. and has a viscosity of less than 25 centipoise between 40° C. and 130° C.
    Type: Grant
    Filed: February 26, 2001
    Date of Patent: July 1, 2003
    Assignee: Coates Brothers PLC
    Inventors: Nigel Antony Caiger, Hartley David Selman
  • Ink jet printer with apparatus for curing ink and method
    Patent number: 6145979
    Abstract: A process and apparatus for forming an image on a moving substrate involves ink jet printing a radiation-curable ink onto the substrate with a print head. The image is cured by exposure to a radiation source. The time between printing and curing is substantially the same for all portions of the substrate.
    Type: Grant
    Filed: July 15, 1998
    Date of Patent: November 14, 2000
    Assignee: Coates Brothers PLC
    Inventors: Nigel Antony Caiger, Michael Anthony Cockett
  • Radiation curable ink composition
    Patent number: 6114406
    Abstract: A UV-curable ink jet composition comprises a polyfunctional alkoxylated or polyalkoxylated acrylate monomer (80% to 95% by weight), a photoinitiator (e.g. from 1 to 15% by weight) and preferably a colorant (e.g. 1% to 10% by weight).
    Type: Grant
    Filed: December 3, 1998
    Date of Patent: September 5, 2000
    Assignee: Coates Brothers PLC
    Inventors: Nigel Antony Caiger, Hartley David Selman