发明授权
US3969346A Naphtholactamcarbinols color formers, their manufacture and use in pressure-sensitive or thermoreactive recording material 失效
萘酚体系颜料,它们在压敏或热反应性记录材料中的制造和使用

Naphtholactamcarbinols color formers, their manufacture and use in
pressure-sensitive or thermoreactive recording material
摘要:
The present invention relates to naphtholactamcarbinols, which may be used as color formers in pressure-sensitive or thermoreactive recording material.
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