发明名称 |
PROCESS FOR THE MANUFACTURE OF MOLDINGS |
摘要 |
The invention relates to a process for the manufacture of a molding comprisi ng 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 c an 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(A1) |
申请公布日期 |
2003.09.12 |
申请号 |
CA20022439776 |
申请日期 |
2002.03.06 |
申请人 |
NOVARTIS AG |
发明人 |
MULLER, ACHIM;SEIFERLING, BERNHARD;BOTHE, HARALD |
分类号 |
G02C7/04;A61F2/16;B29C39/02;B29D11/00;B29K29/00;B29L11/00;C08F8/28;C08F299/00;C08L29/04;C08L29/14;C08L33/26;C08L71/02;G02B1/04;(IPC1-7):G02B1/04 |
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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