Patents by Inventor Celeste L. McCallen

Celeste L. McCallen 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).

  • Cementitious compositions
    Patent number: 5556458
    Abstract: A cementitious composition comprising(a) a cementitious material;(b) a fly ash which has a calcium oxide content of from 15-45% by weight;(c) a hydroxycarboxylic acid; and(d) a water-soluble source of alkali metal ions.The compositions are useful as concretes, grouts and mortars.
    Type: Grant
    Filed: October 6, 1994
    Date of Patent: September 17, 1996
    Assignee: Sandoz Ltd.
    Inventors: John W. Brook, David F. Factor, Frederick D. Kinney, Celeste L. McCallen, Andrea M. Young
  • Cementitious compositions containing fly ash
    Patent number: 5536310
    Abstract: A cementitious composition comprising(A) 10-30 parts cementitious material;(B) 50-80 parts fly ash weight; and(C) 1.5-8 parts hydroxycarboxylic acid and/or salt thereof.
    Type: Grant
    Filed: October 6, 1994
    Date of Patent: July 16, 1996
    Assignee: Sandoz Ltd.
    Inventors: John W. Brook, David F. Factor, Frederick D. Kinney, Celeste L. McCallen, Andrea M. Young