Surface treatment of fluorinated contact lens materials

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Reexamination Certificate

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C428S421000, C525S199000, C525S200000

Reexamination Certificate

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11475588

ABSTRACT:
Hydrogen-plasma modification of fluorinated polymers reduces the surface chemistry of this polymer removing fluorine, leaving behind a carbon-enriched surface that is further plasma processed into a hydrophilic surface for a lens material to be inserted into the ocular environment.

REFERENCES:
patent: 4096315 (1978-06-01), Kubacki
patent: 4217038 (1980-08-01), Letter et al.
patent: 4312575 (1982-01-01), Peyman et al.
patent: 4565083 (1986-01-01), Thompson
patent: 4631435 (1986-12-01), McCarty
patent: 4946903 (1990-08-01), Gardella, Jr. et al.
patent: 5034265 (1991-07-01), Hoffman et al.
patent: 5091204 (1992-02-01), Ratner et al.
patent: 5153072 (1992-10-01), Ratner et al.
patent: 5266309 (1993-11-01), Gardella, Jr. et al.
patent: 5321108 (1994-06-01), Kunzler et al.
patent: 5627079 (1997-05-01), Gardella, Jr. et al.
patent: 5696207 (1997-12-01), Vargo et al.
patent: 5945486 (1999-08-01), Vargo et al.
patent: 0 106 046 (1984-04-01), None
patent: 0 443 986 (1991-08-01), None
patent: 0 123 456 (2000-01-01), None
patent: WO94 26811 (1994-11-01), None
patent: WO95 04609 (1995-02-01), None
Grobe, et al. A Silicone Soft Contact Lens Surface Rearrangement et al. Surfaces in Biomaterials Symposium 1996.
Grobe, et al. Electrical and Optical Polymer Systems et al. World Scientific Pub. Co. Pte. Ltd London England 1997.
Clark, et al. J. Poly. Sci., Part A, vol. 25, pp. 2643-2664 (1987).

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