发明名称 |
Method for protection of stone with substantially amorphous fluoropolymers |
摘要 |
This invention concerns the application of substantially amorphous fluoropolymer compositions to stone so as to protect the stone from the deleterious effects of water and pollution.
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申请公布号 |
US6773805(B1) |
申请公布日期 |
2004.08.10 |
申请号 |
US20030332550 |
申请日期 |
2003.06.20 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
FEIRING ANDREW EDWARD;TUMINELLO WILLIAM HOWARD |
分类号 |
C04B41/48;(IPC1-7):B32B27/30;B32B31/24;B32B33/00 |
主分类号 |
C04B41/48 |
代理机构 |
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地址 |
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