发明授权
US06890377B2 Thermochromic rylene dyes 失效
热变色二甲苯染料

Thermochromic rylene dyes
摘要:
Rylene dyes of the general formula I where R is hydrogen; unsubstituted or substituted C1-C30-alkyl, aryl or hetaryl; R′ is unsubstituted or substituted C2-C30-alkyl or C5-C8-cycloalkyl, or substituted methyl; n is 0 or 1, their preparation and use for coloring high-molecular-weight organic and inorganic materials, and aminorylene-3,4-dicarboximide of the formula IV as their intermediates.
公开/授权文献
信息查询
0/0