Patents by Inventor Herbert R. Sassenhausen

Herbert R. Sassenhausen 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).

  • Process of eliminating cracking in the coating of TiO.sub.2 layers
    Patent number: 4179538
    Abstract: A process for eliminating cracking in a titanium dioxide-hydroxyethylcellulose layer by simultaneously coating thereover a hydrophilic colloid layer such as gelatin.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: December 18, 1979
    Assignee: Eastman Kodak Company
    Inventor: Herbert R. Sassenhausen