发明名称 |
PROCESS FOR THE MANUFACTURE OF MOLDINGS |
摘要 |
The invention relates to a process for the manufacture of a molding comprising the steps of a) preparing an aqueous solution comprising a water-soluble prepolymer having crosslinkable groups and a further polymer which is devoid of crosslinkable groups, b) introducing the solution obtained into a mold, c) triggering the crosslinking, and d) opening the mold such that the molding can be removed from the mold. According to the process of the invention moldings such as contact lenses may be manufactured with an improved quality and an improved overall yield.
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申请公布号 |
CA2439776(C) |
申请公布日期 |
2010.05.18 |
申请号 |
CA20022439776 |
申请日期 |
2002.03.06 |
申请人 |
NOVARTIS AG |
发明人 |
BOTHE, HARALD;MULLER, ACHIM;SEIFERLING, BERNHARD |
分类号 |
G02B1/04;G02C7/04;A61F2/16;B29C39/02;B29D11/00;B29K29/00;B29L11/00;C08F8/28;C08F299/00;C08L29/04;C08L29/14;C08L33/26;C08L71/02 |
主分类号 |
G02B1/04 |
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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