Patents by Inventor Claude Guestaux

Claude Guestaux 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).

  • Patent number: 4203769
    Abstract: An antistatic layer of a radiation-sensitive element, such as a photographic film or paper, is formed by coating and drying of an antistatic composition comprising an aqueous solution of an amorphous antistatic material, the aqueous solution having been produced by forming a melt comprised of at least 80% by weight of vanadium pentoxide and casting the melt into a solubilizing amount of water. In addition to vanadium pentoxide, the melt can contain a glass-forming compound, such as an alkaline metal phosphate or polyphosphate, as well as an oxide of an element that exists in at least two valence states, such as an oxide of molybdenum. The radiation-sensitive element preferably includes a protective overcoat layer covering the antistatic layer.
    Type: Grant
    Filed: July 14, 1976
    Date of Patent: May 20, 1980
    Assignee: Eastman Kodak Company
    Inventor: Claude Guestaux