Title

Photochromic compositions and light transmissible articles

Document Type

Other

Publication details

Evans, RA, Skidmore, MA, Yee, LH, Hanley, TL & Lewis, DA 2004, patent, Photochromic compositions and light transmissible articles, WO2004041961 A1

Abstract

The invention relates to a photochromic polymeric composition comprising a polymer matrix and a photochromic compound which is an adduct comprising a photochromic moiety and at least one pendant oligomer group to provide a rate of fade of the photochromic polymeric composition which is significantly changed when compared with the corresponding composition comprising the photochromic compound without said pendent oligomer. The invention also relates to a photochromic compound which is an adduct comprising a photochromic moiety and at least one pendent oligomer.

Additional information

Patent

Publication type- PCT Int. Application

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