发明授权
- 专利标题: Bicyclic amide acetal/polyisocyanate polymers
- 专利标题(中): 双酰胺缩醛/多异氰酸酯聚合物
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申请号: US850647申请日: 1986-04-11
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公开(公告)号: US4708971A公开(公告)日: 1987-11-24
- 发明人: Anil B. Goel , Timothy A. Tufts
- 申请人: Anil B. Goel , Timothy A. Tufts
- 申请人地址: KY Ashland
- 专利权人: Ashland Oil, Inc.
- 当前专利权人: Ashland Oil, Inc.
- 当前专利权人地址: KY Ashland
- 主分类号: C08G18/00
- IPC分类号: C08G18/00 ; C08G18/08 ; C08G18/30 ; C08G18/38 ; C08K5/00 ; C08L75/00
摘要:
The process for preparing polyurethanes by the reaction of a bicyclic amide acetal and a polyisocyanate in the presence of a plasticizer such as dioctyl phthalate and a polyurethane catalyst such as stannous octoate is described.
公开/授权文献
- US6148992A Lens case for contact lens disinfecting 公开/授权日:2000-11-21
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