Method for preparing a latex with photochromic properties...

Details Method for preparing a latex with photochromic properties... Method for preparing a latex with photochromic properties...

2007-03-06

2007-03-06

Tucker, Philip C. (Department: 1712)

Compositions

Light transmission modifying compositions

Displaying color change

C351S163000

Reexamination Certificate

active

09939151

ABSTRACT:
This invention relates to a method for preparing a photochromic latex, photochromic thin films obtained therefrom, and articles coated with such thin films, in particular photochromic ophthalmic lenses.

REFERENCES:
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patent: 2095836 (1997-11-01), None
Co-pending U.S. Appl. No. 09/991,773, filed Nov. 16, 2001, filed Sylvette Maisonnier et al.

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