Patents by Inventor William M. Dutt

William M. Dutt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • One-sided cling/one-sided slip stretch wrap films
    Patent number: 4996094
    Abstract: A stretch wrap film having one surface with cling properties and the other with noncling properties, one noncling property being a slip property exhibited when the noncling surface is in contact with a like surface of itself with relative motion therebetween having the improvement whichis comprised of positioning at least one region between the cling and noncling surfaces of the film, said region being of a material selected to provide barrier properties sufficient to maintain the cling and noncling properties of the cling and noncling surfaces. A high number average molecular weight cling additive is used to reduce additive migration and transfer.
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: February 26, 1991
    Assignee: Mobil Oil Corporation
    Inventor: William M. Dutt