| 发明名称 |
Impression materials for dentistry |
| 摘要 |
The invention provides impression materials for use in dentistry comprising the reaction product of (a) a diisocyanate or triisocyanate, (b) a dihydroxy compound having a molecular weight of from 300 to 10,000 and (c) an unsaturated monohydroxy compound. The invention also includes processes for preparing said impression materials.
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| 申请公布号 |
US4182829(A) |
申请公布日期 |
1980.01.08 |
| 申请号 |
US19780904071 |
申请日期 |
1978.05.08 |
| 申请人 |
BAYER AG |
发明人 |
ROSENKRANZ, HANS J;SCHULZ, HANS-HERMANN;WALKOWIAK, MICHAEL |
| 分类号 |
C08F299/00;A61K6/09;A61K6/10;C08F290/00;C08F299/06;C08G18/67;(IPC1-7):C08G18/34;C08G18/62 |
主分类号 |
C08F299/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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