Patents by Inventor Jay V. Ihlenfeld

Jay V. Ihlenfeld 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: 4818801
    Abstract: Ophthalmic devices, such as contact lenses, of polymers of telechelic perfluorinated polyether monomers, and compositions for making such devices are disclosed. The devices possess improved oxygen permeability.
    Type: Grant
    Filed: December 13, 1982
    Date of Patent: April 4, 1989
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: David E. Rice, Jay V. Ihlenfeld
  • Patent number: 4793003
    Abstract: A light-occlusive self adherent eyepatch is disclosed comprising an absorbent pad having a nonadherent lower surface, a thin microporous polymeric film overlying the upper surface of the pad, pressure sensitive adhesive means extending around the periphery of the pad to adhere the patch to the eye socket, and a removable liner protecting the lower surface of the pad and the adhesive prior to use. The polymeric film blocks at least 95 percent of the light of a preselected wavelength impinging on the film, and the overall eyepatch is conformable and moisture vapor permeable.
    Type: Grant
    Filed: June 26, 1986
    Date of Patent: December 27, 1988
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John E. Riedel, Jay V. Ihlenfeld
  • Patent number: 4440918
    Abstract: Ophthalmic devices of telechelic perfluorinated polyethers, and polymers and compositions for making such devices are disclosed. The devices possess improved oxygen permeability.
    Type: Grant
    Filed: January 18, 1982
    Date of Patent: April 3, 1984
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: David E. Rice, Jay V. Ihlenfeld