TREA

Irwin Spiess

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  • Pequannock, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Use of ultrasonic energy to improve nitrocellulose purification
    • Patent number 4,388,458
    • Issue date Jun 14, 1983
    • The United States of America as represented by the Secretary of the Army
    • Robert P. Baumann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Nitration of cellulose
    • Patent number 4,365,059
    • Issue date Dec 21, 1982
    • The United States of America as represented by the Secretary of the Army
    • Robert P. Baumann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...