Patents Represented by Attorney Robert J. Wolfe

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  • Fibrous material for oil spill clean-up
    Patent number: 5120598
    Abstract: A novel product is disclosed for cleaning up oil spills. The product comprises ultra-fine polymeric fibers which are produced from various polymeric materials by mixing with thermoplastic poly(vinyl alcohol) and extruding the mixture through a die followed by further orientation. The poly(vinyl alcohol) is extracted to yield liberated ultra-fine polymeric fibers. The fibers are ultimately processed into said product, such as a mat, which is placed directly on the oil spill to absorb the oil.
    Type: Grant
    Filed: August 2, 1991
    Date of Patent: June 9, 1992
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Lloyd M. Robeson, Robert J. Axelrod, Thomas A. Manuel