发明名称 KUNSTSTOFFLINSE UND VERFAHREN ZU DEREN HERSTELLUNG.
摘要 <p>A plastic lens is described which comprises a plastic substrate comprising a benzophenone derivative represented by following general formula (I): <CHEM> wherein R represents a linear or branched alkyl group having 2 to 12 carbon atoms or an alkoxyl group having 2 to 12 carbon atoms. <??>The lens exhibits no adverse effects on the heretofore exhibited property with respect to absorption of ultraviolet light having a wavelength up to about 400 nm and is yellowed to a smaller degree than that of conventional plastic lenses.</p>
申请公布号 AT413614(T) 申请公布日期 2008.11.15
申请号 AT20040018338T 申请日期 2004.08.03
申请人 HOYA CORPORATION 发明人 KOSAKA, MASAHISA;ITOH, SHINSUKE
分类号 G02B1/04;G02C7/02;C08J7/04;C08J7/06;C08K5/07;C08K5/132;C08L29/06;C08L101/00;G02B7/10 主分类号 G02B1/04
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