BENZOPYRAN COLORANTS, METHOD OF MANUFACTURE, AND METHOD OF USE

摘要

A compound of Formula (I) wherein X is hydrogen or a radical of Formula (II), R¹ independently at each occurrence is a C₁-C₂₀ aliphatic radical, a C₃-C₁₀ cycloaliphatic radical, or a C₃-C₁₀ aromatic radical; R², R³, R⁴ and R⁵ are independently at each occurrence a halogen, a nitro group, a cyano group, a hydroxy group, a C₁-C₂₀ aliphatic radical, a C₃-C₂₀ cycloaliphatic radical, or a C₆-C₂₀ aromatic radical; and "n", "q", and "p" are each independently integers having a value of O to 3, and "m" is an integer having a value of O to 4 (II).