Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Reexamination Certificate
2007-02-20
2007-02-20
McClendon, Sanza L. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
C522S183000, C264S001320, C264S001360, C264S001700, C359S642000, C359S643000, C359S645000, C359S707000, C351S162000, C351S166000, C351S177000, C428S412000, C428S411100, C008S115510, C008S115520, C008S115530, C008S115560
Reexamination Certificate
active
11054980
ABSTRACT:
The invention concerns a method which consists in irradiating at least one face of the article with UV radiation, causing the article to be photodegraded over a thickness of at least 1 μm, and in contacting the irradiated face of the article with a colouring agent so as to diffuse the colouring agent in the entire thickness of the photodegraded surface layer of the article. The invention is useful for optical and ophthalmologic articles.
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Essilor International "Compagnie Generale d'Optique"
Fulbright & Jaworski L.L.P.
McClendon Sanza L.
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