Patents by Inventor Stevan George Calland

Stevan George Calland 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).

  • Ink-receptor sheet for use as a recording material
    Patent number: 6896952
    Abstract: A recording sheet for use on a digital press includes either insoluble aluminium trihydrate in the base paper or magnesium sulphate at the surface. According to a second aspect of the invention, the recording sheet includes a paper substrate having a surface treatment including a water soluble cationic substance and a water soluble binder substance.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: May 24, 2005
    Assignee: Arjo Wiggins Fine Papers Limited
    Inventor: Stevan George Calland
  • Ink-receptor sheet for use as a recording material
    Publication number: 20040228985
    Abstract: A recording sheet for use on a digital press includes either insoluble aluminium trihydrate in the base paper or magnesium sulphate at the surface. According to a second aspect of the invention, the recording sheet includes a paper substrate having a surface treatment including a water soluble cationic substance and a water soluble binder substance.
    Type: Application
    Filed: November 30, 2001
    Publication date: November 18, 2004
    Inventor: Stevan George Calland