Patents Examined by Hasan A Ahmed
  • Adhesive compositions, articles incorporating same and methods of manufacture
    Patent number: 9278155
    Abstract: A hydrophilic, pressure-sensitive adhesive composition comprising crosslinked poly(N-vinyl lactam), a swelling agent, and a modifying polymer in an amount sufficient to form a cohesive pressure-sensitive adhesive composition is provided. The composition is useful as a medical secural of percutaneous devices. The composition is also useful as a drug delivery device to deliver antimicrobial agents, pharmaceuticals or other active ingredients to or through skin. A method of preparation of the composition is also disclosed.
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: March 8, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Robert A. Asmus, Beatrice C. Etzold, Joy A. Packard
  • Liquid bandages
    Patent number: 7968113
    Abstract: A method is provided to treat skin to restore barrier homeostasis and to promote normal stratum corneum function by applying to the skin a liquid composition which forms a phase inversion membrane. The amount of solids in the liquid composition is varied so as to provide a desired degree of porosity to the resulting membrane.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: June 28, 2011
    Assignee: Biomedical Development Corp.
    Inventor: Gregg Siegel