Method for the passivation of an intraocular lens

Details Method for the passivation of an intraocular lens Method for the passivation of an intraocular lens

2007-06-19

2007-06-19

Bashore, Alain L. (Department: 1762)

Coating processes

Optical element produced

C427S164000, C427S002240, C427S430100, C623S006110, C623S006560, C623S006620

Reexamination Certificate

active

10477069

ABSTRACT:
The invention includes a method for the passivation of the surface of an intraocular lens, wherein the surface includes Brönsted sites. The intraocular lens is dipped into a solution of a fluoroalkyl silane having the general formula: Rf—(CH2)n—Si—(O—R)3. The residue R is selected from the group of H, CH3, C2H5and C3H7and the fluoroalkyl residue Rfis selected from the series CF3(CF2)m, with m=3 to 11 and n=0 to 4. The Brönsted sites on the surface are thereby deactivated by formation of Si—Q—bonds.

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English translation of EP 0 487 418 B1; 38 pages; PTO.

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