发明授权
US5191055A Mercapto compound, a high refractive index resin and lens and a process for preparing them 失效
巯基化合物,高折射率树脂和透镜及其制备方法

Mercapto compound, a high refractive index resin and lens and a process
for preparing them
摘要:
The present invention relates to a mercapto compound, a process for preparing the mercapto compound, a process for preparing a polythiourethane base resin containing the mercapto compound, and a process for preparing plastic lenses containing the resin.
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