| 发明名称 |
Method for protection of stone with fluorinated urethane |
| 摘要 |
This invention relates to the application of fluorinated urethane compositions to stone in order to protect the stone from the deleterious effects of water and pollution.
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| 申请公布号 |
US6790924(B2) |
申请公布日期 |
2004.09.14 |
| 申请号 |
US20020168117 |
申请日期 |
2002.06.13 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
ANTON DOUGLAS ROBERT;KIRCHNER JACK ROBERT;TUMINELLO WILLIAM HOWARD |
| 分类号 |
C04B41/48;(IPC1-7):C08G18/50 |
主分类号 |
C04B41/48 |
| 代理机构 |
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