发明申请
- 专利标题： Pre-polymer extraction using a super-cooled fluid
- 专利标题（中）： 使用超冷却液进行预聚物萃取
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申请号： US11314510申请日： 2005-12-21
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公开(公告)号： US20060131769A1公开(公告)日： 2006-06-22
- 发明人: Sanjay Rastogi , Mahendra Nandu , Gary Friends
- 申请人： Sanjay Rastogi , Mahendra Nandu , Gary Friends
- 专利权人： Bausch & Lomb Incorporated
- 当前专利权人： Bausch & Lomb Incorporated
- 主分类号： B29D11/00
- IPC分类号： B29D11/00
摘要：
The present invention is a process for extracting pre-polymer from a polymer lens. The process comprises the step of contacting the lens with a super-cooled solvent for a period of time sufficient to extract pre-polymer from the polymer lens.