A photo reactive material, such as a photochromic material, which has the following structure: <IMAGE> where the variables, A, R, R', R'', R*, R+, m, and n are defined in claim 1.
申请公布号
US5446151(A)
申请公布日期
1995.08.29
申请号
US19930160184
申请日期
1993.12.02
申请人
PILKINGTON PLC
发明人
RICKWOOD, MARTIN;HEPWORTH, JOHN D.;GABBUTT, CHRISTOPHER D.;MARSDEN, SEAN D.