Patents Represented by Attorney James A. Powers, Jr.

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  • Films produced from LDPE encapsulated CaCO.sub.3
    Patent number: 4265960
    Abstract: Fine particle size CaCO.sub.3 is encapsulated with low density polyethylene (LDPE) in a fluid energy mill. Very thin extrusion oriented films (as low as 0.4 mil.) were made using the LDPE encapsulated CaCO.sub.3 at high concentrations of 32-61%. Such films are soft and have a dry "feel" and translucent appearance with slip and anti-block properties. They can be heat sealed, printed, and folded. The films can be used as paper and paper tissue substitutes.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: May 5, 1981
    Assignee: Mobil Oil Corporation
    Inventors: Harold A. Arbit, Harold G. Tinger