Patents by Inventor Harry E. Bell

Harry E. Bell 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).

  • Coatings pigmented with nonleafing aluminum flake
    Patent number: 4292087
    Abstract: Coatings, primarily finish coatings for topical applications, pigmented with substantially nonleafing aluminum flake produced by reducing aluminum to flake form in the presence of a milling agent comprised of isostearic acid, either alone or together with another nonleafing milling agent.
    Type: Grant
    Filed: February 28, 1979
    Date of Patent: September 29, 1981
    Assignee: Alcan Aluminum Corporation
    Inventor: Harry E. Bell
  • Nonleafing aluminum flake pigments
    Patent number: 4236934
    Abstract: A process for making aluminum flake pigment by reducing aluminum to flake form in the presence of a milling agent, wherein the milling agent comprises isostearic acid, alone or together with a small amount of other, nonleafing milling agents. The product is a substantially nonleafing pigment constituted of aluminum flake particles having a surface layer of isostearic acid milling agent residue.
    Type: Grant
    Filed: February 28, 1979
    Date of Patent: December 2, 1980
    Assignee: Alcan Aluminum Corporation
    Inventor: Harry E. Bell