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Rapid Fading Photo-Responsive Materials

Clarke, David A., Heron, B. Mark, Gabbutt, Christopher D., Hepworth, John D., Partington, Steven M. and Corns, Stephen N. (2001) Rapid Fading Photo-Responsive Materials. WO/2001/012619.

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2H-naphtho[1,2 b]pyrans accordind to formula (I) and 3H-naphtho[2,1-b]pyrans according to formula (II) are photochromic and have increased rates of fade without change in wavelength by use of R?2¿ substituents chosen from structures (VII), (VIII) and (IX).

Item Type: Patent
Subjects: Q Science > QD Chemistry
Schools: School of Applied Sciences
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Depositing User: Graham Stone
Date Deposited: 19 Oct 2012 14:06
Last Modified: 28 Aug 2021 11:23


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