Patents by Inventor James Herbert Annen

James Herbert Annen 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).

  • Coated absorbent barrier protecting separator and battery embodying same
    Patent number: 4096317
    Abstract: A sealed primary galvanic cell has a barrier and barrier protecting separator. The barrier protecting separator contains the reaction product of an alkaline earth metal salt and unneutralized carboxypolymethylene. The barrier protecting separator is prepared by applying either of the treating materials in the wet state to a supporting sheet, drying and then applying the second treating material also in the wet state.
    Type: Grant
    Filed: February 11, 1977
    Date of Patent: June 20, 1978
    Assignee: ESB Incorporated
    Inventor: James Herbert Annen