Patents by Inventor M. Elizabeth P. Chisholm

M. Elizabeth P. Chisholm 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).

  • Patent number: 5413568
    Abstract: An individual absorbent article package, such as a sanitary napkin wrapper and an adhesive fastening system for such a wrapper are disclosed. The adhesive fastening system comprises a tape tab having an adhesive for releasably securing the wrapper and sanitary napkin in a folded configuration prior to and after use. The adhesive is adhered to a landing surface such as a portion of the sanitary napkin wrapper that forms part of the package body. The landing surface need not be reinforced to prevent tearing upon opening of the package. The fastening system provides bond security while at the same time making the fastening system easy to open without tearing by carefully matching of the properties of the adhesive, the tape tab, and the landing surface. The surface characteristics, elasticity modulus, and caliper of the landing surface are specified.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: May 9, 1995
    Assignee: The Procter & Gamble Company
    Inventors: Jennifer A. Roach, Douglas Toms, Ted L. Blaney, M. Elizabeth P. Chisholm
  • Patent number: 5399177
    Abstract: Disposable absorbent articles such as baby diapers or adult incontinent briefs provided with a refastenable adhesive fastening system. The adhesive fastening system preferably comprises a pair of tape tabs each having an adhesive surface which during use is adhered to a landing member having an adherence surface which may comprise only the backsheet that has no reinforcement for strength against tearing or may comprise a reinforced backsheet. The invention improves bond security while at the same time making the fastening system more easy to remove without tearing by careful optimization of the properties of the adhesive, the tape tab, and the landing member. In particular, it has been found that the adhesive fastening system should have a Standard Shear Hang Time of greater than about 1000 minutes per square inch.
    Type: Grant
    Filed: October 25, 1991
    Date of Patent: March 21, 1995
    Assignee: The Procter & Gamble Company
    Inventors: Ted L. Blaney, M. Elizabeth P. Chisholm