Patents by Inventor Caryl M. Sherman

Caryl M. Sherman 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).

  • Method of encapsulating particles and the resultant product
    Patent number: 3946134
    Abstract: A protective coating consisting of an aluminum or magnesium phosphate complex is used to encapsulate a wide variety of organic and inorganic particles. The coating is particularly applicable to organic and inorganic pigments and serves to improve the light, heat and chemical stability of these pigments. The coating is formed in situ by complexing the phosphate with the metal, preferably in the presence of ions of fluoride or fluoborate and depositing the same onto the surface of the particles.
    Type: Grant
    Filed: June 4, 1974
    Date of Patent: March 23, 1976
    Assignee: The Harshaw Chemical Company
    Inventor: Caryl M. Sherman