- 专利标题: NATURAL STONE SEALER COMPOSITIONS
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申请号: EP21754463.4申请日: 2021-02-02
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公开(公告)号: EP4103531A1公开(公告)日: 2022-12-21
- 发明人: CULKIN, Barry , QUESTEL, Roger , HARRINGTON, Robert , CROTEAU, Douglas , THOTTATHIL, Paul , KESAVAN, Purushoth , RYAN, John , MUKHERJEE, Satyabrata
- 申请人: Questech Corporation
- 申请人地址: US Rutland, VT 05701 92 Park Street
- 代理机构: Graham Watt & Co LLP
- 优先权: US202062975405 P 20200212
- 国际公布: WO2021163718 20210819
- 主分类号: C04B41/48
- IPC分类号: C04B41/48 ; C04B111/20 ; E04B1/66
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