Patents by Inventor Gary D. Stelling

Gary D. Stelling 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).

  • Bonded nonwoven fabrics suitable for diaper coverstock
    Patent number: 4356229
    Abstract: This invention concerns a nonwoven fabric particularly adapted for use as a diaper coverstock. The fabric consists essentially of fibers and a binder wherein at least 50%, by weight, of the fibers are hydrophobic fibers. The binder comprises a water insoluble, hydrophobic, emulsion copolymer of ethylenically unsaturated monomers comprising (A) 1 to 8% by weight of a monoethylenically unsaturated carboxylic acid, or a mixture thereof, (B) 50 to 75% by weight of a C.sub.4 to C.sub.8 alkyl acrylate or a mixture thereof, and (C) 20 to 49% by weight of methyl methacrylate, styrene, .alpha.-methyl styrene or a mixture thereof. The fabric has sufficient wet tensile strength for use as a diaper coverstock.
    Type: Grant
    Filed: October 20, 1980
    Date of Patent: October 26, 1982
    Assignee: Rohm and Haas Company
    Inventors: John G. Brodnyan, Walter G. De Witt, III, Robert A. Gill, Gary D. Stelling