Patents by Inventor Eliot Kay

Eliot Kay 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).

  • Packaging and dispensing system for fluid and semi-fluid cement admixtures
    Patent number: 5320851
    Abstract: The present invention relates to a packaging and dispensing system especially suitable for semi-fluid or fluid cement admixtures. The admixture is encapsulated in a material, such as gelatin or wax, which ruptures, shatters, or disintegrates in the wet cementitious mixture during a period of mechanical mixing. The present invention also contemplates a method of modifying the properties of cementitious mixtures by adding thereto an encapsulated admixture in a predetermined amount sufficient to provide a modified cementitious composition having the desired properties.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: June 14, 1994
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: John O. de Mars, Kevin W. Grogan, Eliot Kay, Stephen P. Belko