- 专利标题: COLOUR CHANGE COMPOSITION AND COMPOUNDS
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申请号: EP20771763.8申请日: 2020-07-31
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公开(公告)号: EP4004121A1公开(公告)日: 2022-06-01
- 发明人: SHIVKUMAR, Bagavant , SHIVKUMAR, Uma , MARREC, Philippe
- 申请人: Thermographic Measurements Ltd
- 申请人地址: GB Honiton, Devon EX14 1SE Unit A Reme Drive Heathpark Industrial Estate
- 代理机构: Geary, Stephen
- 优先权: GB201910904 20190731
- 国际公布: WO2021019074 20210204
- 主分类号: C09B57/00
- IPC分类号: C09B57/00 ; C09B67/22 ; C09B67/46 ; C09B67/42 ; C09D11/50
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