发明名称 Spectacle lens
摘要 A spectacle lens comprising: (i) being a finished lens produced by injection molding of an aromatic polycarbonate (ii) having substantially no weld line and (iii) having a surface accuracy such that the shift of a Moire interference fringe is not observed or a shift of 25 % or less of an interval between interference fringes is observed. <IMAGE>
申请公布号 EP1434080(A2) 申请公布日期 2004.06.30
申请号 EP20040008339 申请日期 1999.04.20
申请人 TEIJIN CHEMICALS, LTD. 发明人 GOTOH, KIYOHITO;ICHIOKA, HIROMI
分类号 B29C45/56;(IPC1-7):G02C7/02;G02B3/00;B29D11/00;B29C45/70 主分类号 B29C45/56
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