发明名称 |
SUBSTANTIALLY PURE SYNTHETIC MELANIN PARTICULARLY USEFUL FOR LOW HAZE OPTICAL DEVICES |
摘要 |
It is described the preparation of substantially pure synthetic melanin, which is in the form of a solution in organic solvent or of a dry powder and is readily dispersible in plastic and/or plastic monomers, to produce low haze optical devices. |
申请公布号 |
WO9323480(A1) |
申请公布日期 |
1993.11.25 |
申请号 |
WO1993EP01027 |
申请日期 |
1993.04.29 |
申请人 |
INTERCAST EUROPE S.P.A.;GALLAS, JAMES |
发明人 |
GALLAS, JAMES |
分类号 |
G02C7/04;A62D7/00;C08F283/00;C09B69/10;G02C7/10;(IPC1-7):C09B69/10 |
主分类号 |
G02C7/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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