发明名称 |
Method of manufacturing a contact lens |
摘要 |
Methods of manufacturing a contact lens form a mold which has a first section formed from a first material and a second section formed from a second material. The methods permit the facile preparation of contact lenses having two or more differing materials, for example, a composite lens, a bifocal lens, a trifocal lens and the like.
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申请公布号 |
US5433898(A) |
申请公布日期 |
1995.07.18 |
申请号 |
US19920944891 |
申请日期 |
1992.09.11 |
申请人 |
PILKINGTON BARNES HIND, INC. |
发明人 |
THAKRAR, ASHOK R.;GANDHI, KHUSHROO |
分类号 |
G02C7/04;B29C39/02;B29C39/10;B29C39/26;B29C69/00;B29D11/00;(IPC1-7):B29D11/00 |
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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