Patents Represented by Attorney Dean S. Carlson

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  • High purity polonium recovery
    Patent number: 3983219
    Abstract: Apparatus and method for providing larger quantities of higher purity polonium suitable, as vapor distilled, for heat source elements for radioisotopic generators or the like.
    Type: Grant
    Filed: October 1, 1973
    Date of Patent: September 28, 1976
    Assignee: The United States of America as represented by the United States Energy Research and Development Administration
    Inventors: Clyde H. H. Chong, Calvin M. Love, Martin D. Prisc, Alexander J. Russo
  • Method for storage of solid waste
    Patent number: 3983050
    Abstract: Metal canisters for long-term storage of calcined highlevel radioactive wastes can be made self-sealing against a breach in the canister wall by the addition of powdered cement to the canister with the calcine before it is sealed for storage. Any breach in the canister wall will permit entry of water which will mix with the cement and harden to form a concrete patch, thus sealing the opening in the wall of the canister and preventing the release of radioactive material to the cooling water or atmosphere.
    Type: Grant
    Filed: February 7, 1975
    Date of Patent: September 28, 1976
    Assignee: The United States of America as represented by the United States Energy Research and Development Administration
    Inventor: William J. Mecham