Photochromic film material

Details Photochromic film material Photochromic film material

2007-09-25

2007-09-25

Jackson, Monique R. (Department: 1773)

Stock material or miscellaneous articles

Composite

Of metal

C428S411100, C428S457000, C428S480000

Reexamination Certificate

active

10740237

ABSTRACT:
The invention is directed to a photochromic material that filters, from solar radiation, near infrared radiation and sufficient portions of ultraviolet radiation while transmitting actinic radiation in the wavelength range of about 341±5 nm. The light-transmitting photochromic material provides light and heat stability to achieve a longer useful life. This photochromic material is preferably incorporated in a multilayered structure with constituents provided on or contained within one or more layers to enhance the resistance to light fatigue.

REFERENCES:
patent: 5843548 (1998-12-01), Sanders
patent: 6294251 (2001-09-01), Minagawa et al.
patent: 8-119963 (1996-05-01), None
patent: 8-245579 (1996-09-01), None
patent: 11-158148 (1999-06-01), None
patent: 11-514695 (1999-12-01), None
patent: 2004-256780 (2004-09-01), None
patent: 2004-277416 (2004-10-01), None
patent: 2004-315728 (2004-11-01), None

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