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US08603944B2 Oligomeric spiropyrans for erasable medium applications 有权
用于可擦除介质应用的低聚螺吡喃

Oligomeric spiropyrans for erasable medium applications
Abstract:
Exemplary embodiments provide compositions and methods for making and using an erasable medium that can contain oligomeric photochromic materials such as spiropyran oligomers, wherein the oligomeric photochromic material can include a plurality of photochromic groups such as spiropyrans covalently connected together by one or more linkers.
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