Patents by Inventor Faisal T. Kawar

Faisal T. Kawar 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).

  • Process for encapsulating particles by in-situ formation of a metal carbonate coating
    Patent number: 4013442
    Abstract: Particles, such as fertilizer, are encapsulated with a metal carbonate coating by initially coating the particles with a metallic hydroxide, metallic oxides or mixtures thereof and subjecting the coated particles to an atmosphere containing carbon dioxide so as to convert the metallic compounds to the corresponding carbonate. Inert materials such as powdered linestone can be included with the coating.
    Type: Grant
    Filed: May 10, 1971
    Date of Patent: March 22, 1977
    Assignee: Exxon Research and Engineering Company
    Inventor: Faisal T. Kawar