Patents by Inventor Geoffrey A. Crenson

Geoffrey A. Crenson 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).

  • Cement based patching composition for asphalt pavement
    Patent number: 5244304
    Abstract: A paving composition comprises a cement binder, a dispersible latex polymer binder, and a mineral aggregate filler such as sand. The filler may be made up of mineral fines such as fly ash, mineral aggregate such as sand, and/or an elastomeric filler such as ground rubber particles. The composition may further include a defoamer, a plasticizer and a dispersible pigment, the latter preferably being a black pigment to color the composition to that of asphalt pavement.
    Type: Grant
    Filed: March 13, 1991
    Date of Patent: September 14, 1993
    Assignee: American Stone-Mix, Inc.
    Inventors: Ed Weill, Geoffrey A. Crenson