Patents Represented by Attorney C. W. Hoffmann

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  • Means for improving contact between Li and the anode current collector
    Patent number: 4080489
    Abstract: An alkali metal anode compressed on a smooth metal current collector and adhered thereto by means of a metal which spontaneously alloys with the alkali metal at room temperature.
    Type: Grant
    Filed: March 8, 1976
    Date of Patent: March 21, 1978
    Assignee: P. R. Mallory & Co. Inc.
    Inventor: Arabinda N. Dey
  • Ion exchange membranes and organic electrolyte cells employing same
    Patent number: 4060673
    Abstract: Ion exchange membranes adapted for use in organic solvents. The membranes include a substrate providing microporosity and a polyelectrolyte supported thereby and comprised of Na, K, or Li salts of linear polymers having attached functional groups. The disclosure pertains further to organic electric cells which employ the membranes as cell separators. Other features of the invention appear in the specification.
    Type: Grant
    Filed: September 13, 1973
    Date of Patent: November 29, 1977
    Assignee: P. R. Mallory & Co. Inc.
    Inventor: Arabinda N. Dey