Patents by Inventor Vincent F. Felicetta

Vincent F. Felicetta 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).

  • Lignin dispersant
    Patent number: 4045421
    Abstract: A process for the preparation and recovery of an effective dispersant from vanillin raffinate by reaction with formaldehyde is described.
    Type: Grant
    Filed: August 10, 1976
    Date of Patent: August 30, 1977
    Assignee: Georgia-Pacific Corporation
    Inventors: Donald E. Wenzel, Vincent F. Felicetta
  • Drilling fluid composition
    Patent number: 3985659
    Abstract: An aqueous drilling fluid comprising bentonite, or subbentonite and a water-soluble copolymer of lignosulfonate and a polyacrylate in a sufficient amount to increase the yield of the clay.
    Type: Grant
    Filed: February 24, 1975
    Date of Patent: October 12, 1976
    Assignee: Georgia-Pacific Corporation
    Inventors: Vincent F. Felicetta, Donald E. Wenzel