Patents by Inventor Nigel Kirby

Nigel Kirby 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).

  • Patent number: 6506248
    Abstract: A formulation for preparing a cementitious product comprising a cementitious material, a siliceous material, and a low bulk density material being substantially calcium silicate hydrate and including unreacted siliceous reactant. A method of forming a cementitious product comprises adding a cementitious material, a siliceous material and a low bulk density material to water to form a slurry, forming a green shaped article from the slurry and curing the article in an autoclave, wherein the low bulk density material is substantially calcium silicate hydrate and includes unreacted siliceous reactant.
    Type: Grant
    Filed: July 17, 2001
    Date of Patent: January 14, 2003
    Assignee: James Hardie Research Pty Limited
    Inventors: Steve Duselis, Peter Goodwin, Nigel Kirby, Basil Naji, Anhthe Nguyen, Brian Sloane, David Stitt, James Gleeson
  • Patent number: 6346146
    Abstract: A formulation for preparing a cementitious product comprising a cementitious material, a siliceous material, and a low bulk density material being substantially calcium silicate hydrate and including unreacted siliceous reactant. A method of forming a cementitious product comprises adding a cementitious material, a siliceous material and a low bulk density material to water to form a slurry, forming a green shaped article from the slurry and curing the article in an autoclave, wherein the low bulk density material is substantially calcium silicate hydrate and includes unreacted siliceous reactant.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: February 12, 2002
    Assignee: James Hardie Research PTY Limited
    Inventors: Steve Duselis, Peter Goodwin, Nigel Kirby, Basil Naji, Anhthe Nguyen, Brian Sloane, David Stitt, James Gleeson