发明授权
US4009165A Naphtholactam dyes 失效
萘酚内酰胺染料

Naphtholactam dyes
摘要:
Condensation products of derivatives of naphtholactam and barbituric acid useful as dyes for synthetic fibers, particularly synthetic linear polyesters, and for coloring resins. The dyes give brilliant yellow to violet shades having outstanding fastness properties.
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