Static molds – Including coating or adherent layer
Reexamination Certificate
2006-12-05
2006-12-05
Heckenberg, Donald (Department: 1722)
Static molds
Including coating or adherent layer
C249S134000, C425S808000
Reexamination Certificate
active
07143990
ABSTRACT:
An apparatus and method for the production of ophthalmic lenses, and particularly contact lenses, which minimizes damage of the lens in removal from the mold. The ophthalmic lens is produced in a mold having a male part and a female part that are placed in proximate relation to each other to create a lens-forming cavity. At least the female surface of the female part mold is preferably coated with plasma and is irradiated for a predetermined time such that the female surface and/or surface coating is at least partially cured. Once the female surface, and alternately the male surface and other surfaces of the mold, is at least partially cured, a curable lens-forming material is placed into the lens-forming cavity and cured to form an ophthalmic lens.
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Bothe Harald
Matsuzawa Yasuo
Seiferling Bernhard
Borrelli Karen
Heckenberg Donald
Novartis AG
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