Patents by Inventor David A. Cadalbert

David A. Cadalbert 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).

  • MEDICAL ARTICLES WITH RADIO OPAQUE PATTERNS
    Publication number: 20220296436
    Abstract: Absorbent medical articles include a first absorbent layer with a radio opaque element located on the surface of the first absorbent layer. The radio opaque element has at least one segment that is non-linear and has at least one vertex, the vertex defines an angle of at least 15° and less than 165°. The radio opaque element may be a continuous or discontinuous element. The absorbent medical article may include additional absorbent layers. The radio opaque element makes the absorbent medical article detectable if left inside a patient.
    Type: Application
    Filed: August 18, 2020
    Publication date: September 22, 2022
    Inventors: Audrey A. Sherman, Tony J. Kaufman, David A. Cadalbert, Jr.
  • MULTI-LAYER ADHESIVES AND ARTICLES
    Publication number: 20220073792
    Abstract: Adhesive articles with multi-layer adhesive constructions include a substrate and a multi-layered adhesive. The multi-layered adhesive includes a layer of a first adhesive in contact with the surface of the substrate, and a layer of siloxane-based pressure sensitive adhesive in contact with the first adhesive. The siloxane-based pressure sensitive adhesive includes a siloxane-(meth)acrylate co-polymer. The thickness of the siloxane-based pressure sensitive adhesive layer is less than the thickness of the first adhesive layer.
    Type: Application
    Filed: December 27, 2019
    Publication date: March 10, 2022
    Inventors: Audrey A. Sherman, Mark F. Ellis, Barbara L. Kellen, David A. Cadalbert
  • Adhesive tape having antistatic properties
    Patent number: 5637368
    Abstract: An antistatic adhesive article which comprises an adhesive layer and utilizes vanadium oxide to impart antistatic properties to the article. The article is preferably an adhesive tape or sheet. The adhesive may be pressure sensitive or non-pressure sensitive. The vanadium oxide may be incorporated into or onto the tape from an aqueous dispersion.
    Type: Grant
    Filed: April 20, 1993
    Date of Patent: June 10, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: David A. Cadalbert, Eric D. Morrison, Tamara L. Johnson, William L. Kausch, David R. Boston, Wayne K. Larson, Steven T. Hedrick