发明授权
US06773805B1 Method for protection of stone with substantially amorphous fluoropolymers
失效
用基本无定形含氟聚合物保护石头的方法
- 专利标题: Method for protection of stone with substantially amorphous fluoropolymers
- 专利标题(中): 用基本无定形含氟聚合物保护石头的方法
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申请号: US10332550申请日: 2003-06-20
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公开(公告)号: US06773805B1公开(公告)日: 2004-08-10
- 发明人: Andrew Edward Feiring , William Howard Tuminello
- 申请人: Andrew Edward Feiring , William Howard Tuminello
- 主分类号: B32B2730
- IPC分类号: B32B2730
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.