Patents by Inventor Christine F. Kreiner

Christine F. Kreiner 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).

  • Intraocular lens having a central lens area, an annular lens area, and a meridian section
    Patent number: 6835204
    Abstract: An intraocular lens with an optical lens part, which has a central lens area and at least one further annular lens area surrounding the central lens area, the central lens area and the at least one annular lens area forming at least one common focus and the annular lens area having concentric annular zones, in which the difference in pathlength between adjacent zones is an integral multiple of n=2 or more of the design wavelength.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: December 28, 2004
    Assignee: Acri.Tec Gesellschaft fur Ophtalmologische Produkte mbH
    Inventors: Wilhelm Stork, Christine F. Kreiner
  • Vitreous humor tamponade for the posterior cavity in an eye
    Patent number: 5441989
    Abstract: A vitreous humor tamponade for the posterior cavity in an eye, including at least one perfluorocarbon which is liquid under normal conditions and which after injection in the eye changes into the vapor condition as a result of its vapor pressure.
    Type: Grant
    Filed: June 25, 1993
    Date of Patent: August 15, 1995
    Assignee: adatomed Pharmazeutische und medizintechnische Gesellschaft mbh
    Inventors: Hasso Meinert, Klaus Heimann, Christine F. Kreiner, Bernd Kirchhof