Patents by Inventor Stephen A. Antonsen

Stephen A. Antonsen 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: 4163077
    Abstract: Normally tacky and pressure-sensitive adhesive tape which displays good adhesion and shear properties, even when contaminated with dust, e.g., talcum powder. The adhesive is a rubbery block copolymer (especially styrene-isoprene-styrene), tackified with a combination of certain liquid and solid tackifiers. The tape is especially useful as a closure for disposable diapers.
    Type: Grant
    Filed: April 19, 1978
    Date of Patent: July 31, 1979
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Stephen A. Antonsen, David P. Boaz