Patents by Inventor Philip J. Ansell

Philip J. Ansell 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).

  • Self-levelling cementitious mixes
    Patent number: 4394175
    Abstract: A self-levelling cementitious mix, especially a screeding mix comprises high alumina cement and portland cement in non-critical proportions together with sufficient plasticizer and set retarder to make the mix workable in an acceptable setting period. Preferable proportions of the cement are 20-80:80-20 most advantageously 50:50.
    Type: Grant
    Filed: May 7, 1981
    Date of Patent: July 19, 1983
    Inventors: Leslie W. Cheriton, Philip J. Ansell