Coating processes – Optical element produced
Reexamination Certificate
2007-05-15
2007-05-15
Bashore, Alain L. (Department: 1762)
Coating processes
Optical element produced
C427S166000, C427S167000, C427S255600, C427S255700, C427S402000, C427S561000
Reexamination Certificate
active
10461091
ABSTRACT:
The invention concerns a process for replacing an initial outermost coating layer of a coated optical lens with a layer of a new final coating having surface properties different from those of said initial outermost coating which comprises:(a) providing a coated optical lens having an initial outermost coating layer having a surface contact angle with water of at least 65°;(b) subjecting the initial outermost coating layer to a treatment with activated chemical species at about atmospheric pressure, and for less than one minute, in order there is obtained a treated surface having a contact angle with water of 10° or less; and(c) depositing on said treated surface a layer of a final coating having surface properties different from those of said initial outermost coating.
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Fournand Gerald
Jallouli Agnès de Leuze
Bashore Alain L.
Essilor International "Compagnie Generale d'Optique"
Fulbright & Jaworski L.L.P.
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