发明名称 Methods for tinting plastic films and sheets with melanin
摘要 This invention relates to the field of eye protection and vision enhancement by filters of UV and the higher energy visible (HEV) light-such as sunglass lenses. More specifically, it relates to the process of tinting plastic films and sheets with solutions of synthetic melanin. Such plastic films may include sunglass lenses, and ophthalmic lenses in general, windows, light filters such as photograph covers, canopies, etc., and other similar media utilized to protect valuable goods from radiation damage.
申请公布号 US2005230347(A1) 申请公布日期 2005.10.20
申请号 US20040823848 申请日期 2004.04.14
申请人 GALLAS JAMES M;PENICK MARK;EISNER MELVIN;JAMES JOSHUA 发明人 GALLAS JAMES M.;PENICK MARK;EISNER MELVIN;JAMES JOSHUA
分类号 B31D3/00;B44C1/22;(IPC1-7):B44C1/22 主分类号 B31D3/00
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