Patents by Inventor Kenneth U. Holker

Kenneth U. Holker 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).

  • Products for treating surfaces
    Patent number: 5061315
    Abstract: Silica products obtained from trivalent metal e.g. Al compounds and silica can be used as corrosion inhibitors or adhesion promoters for organic coatings on surfaces by way of no-rinse or phosphating treatment or as pigments.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: October 29, 1991
    Assignee: Albright & Wilson Limited
    Inventors: John R. Collier, Kenneth U. Holker
  • Products for treating surfaces
    Patent number: 5061314
    Abstract: Silica products obtained from trivalent metal e.g. Al compounds and silica can be used as corrosion inhibitors or adhesion promoters for organic coatings on surfaces by way of no-rinse or phosphating treatment or as pigments.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: October 29, 1991
    Assignee: Albright & Wilson Limited
    Inventors: John R. Collier, Kenneth U. Holker
  • Products for treating surfaces
    Patent number: 4881975
    Abstract: Silica products obtained from trivalent metal e.g. Al compounds and silica can be used as corrosion inhibitors or adhesion promoters for organic coatings on surfaces by way of no-rinse or phosphating treatment or as pigments.
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: November 21, 1989
    Assignee: Albright & Wilson Limited
    Inventors: John R. Collier, Kenneth U. Holker