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Title:
PHOTOCHROMIC OPTICAL ARTICLE
Document Type and Number:
Japanese Patent JP2008197663
Kind Code:
A
Abstract:

To provide a photochromic article that includes an organic base material utilized in optical applications.

The photochromic article is a photochromic plastic article, e.g., an ophthalmic photochromic article, such as a lens, in which the article includes (1) a polymer substrate; (2) a photochromic polymer coating adhered to at least one surface of the substrate, with the photochromic polymer coating containing a photochromic amount of at least one organic photochromic material; and (3) a radiation-cured, acrylate-based film coherently adhered to the photochromic coating, with the acrylate-based film being (a) resistant to removal by aqueous solutions of inorganic corrosive, (b) being compatible with organo silane-containing abrasion-resistant coating, and (c) being harder than the photochromic coating.


Inventors:
BLACKBURN WILLIAM P
LEVESQUE MICHAEL B
SEYBERT KEVIN W
CONKLIN JEANINE A
GRUCHACZ NANCYANNE
Application Number:
JP2008048843A
Publication Date:
August 28, 2008
Filing Date:
February 28, 2008
Export Citation:
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Assignee:
TRANSITIONS OPTICAL INC
International Classes:
G02B1/11; C09K9/02; F02N11/12; F02N15/06; G02B1/04; G02B5/23; G02C7/10
Attorney, Agent or Firm:
Hidesaku Yamamoto
Takaaki Yasumura
Natsuki Morishita