Patents by Inventor David J. Calvert

David J. Calvert 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).

  • Aqueous pressure sensitive adhesive formulations
    Patent number: 6521696
    Abstract: The subject invention pertains to pressure sensitive adhesive formulations comprising an aqueous dispersion of at least one homogeneous ethylene/&agr;-olefin interpolymer or substantially random interpolymer of ethylene and at least one vinylidene aromatic or hindered aliphatic comonomer and at least one surfactant.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: February 18, 2003
    Assignee: Dow Global Technologies Inc.
    Inventors: John D. Oates, Thoi H. Ho, Wendy D. Hoenig, David J. Calvert
  • AQUEOUS PRESSURE SENSITIVE ADHESIVE FORMULATIONS
    Publication number: 20020061945
    Abstract: The subject invention pertains to pressure sensitive adhesive formulations comprising an aqueous dispersion of at least one homogeneous ethylene/&agr;-olefin interpolymer or substantially random interpolymer of ethylene and at least one vinylidene aromatic or hindered aliphatic comonomer and at least one surfactant.
    Type: Application
    Filed: November 12, 1998
    Publication date: May 23, 2002
    Inventors: JOHN D. OATES, THOI H. HO, WENDY D. HOENIG, DAVID J. CALVERT