Patents by Inventor Peter Chalmers

Peter Chalmers 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).

  • Geopolymer cement
    Patent number: 10315952
    Abstract: A solid component activator for use in a geopolymer cement containing a silico-aluminate material comprising a mixture of sodium silicate and sodium carbonate for activating the geopolymer cement by increasing reactivity of the silico-aluminate material in the geopolymer cement when forming geopolymer concrete.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: June 11, 2019
    Assignee: CEMENT AUSTRALIA PTY LIMITED
    Inventors: Desmond Peter Chalmers, Paul Gregory Kidd, Peter David Sleep
  • GEOPOLYMER CEMENT
    Publication number: 20150321954
    Abstract: A solid component activator for use in a geopolymer cement containing a silico-aluminate material comprising a mixture of sodium silicate and sodium carbonate for activating the geopolymer cement by increasing reactivity of the silico-aluminate material in the geopolymer cement when forming geopolymer concrete.
    Type: Application
    Filed: November 13, 2013
    Publication date: November 12, 2015
    Applicant: CEMENT AUSTRALIA PTY LIMITED
    Inventors: Desmond Peter CHALMERS, Paul Gregory KIDD, Peter David SLEEP
  • Crystallization process
    Patent number: 5354889
    Abstract: The invention relates to the compound 2-[1-(ethoxyimino)propy1]-3-hydroxy-5-(3-butyryl-2,4,6-trimethylphenyl)-cy clohex-2-en-1-one in the form of an anhydrous crystalline powder and a process for the preparation of said anhydrous crystalline powder.
    Type: Grant
    Filed: September 23, 1993
    Date of Patent: October 11, 1994
    Assignee: ICI Australia Operations Proprietary Limited
    Inventors: Peter Chalmers, Andrew F. Kirby, Roger Heath