| 发明名称 |
Thermochromic compositions of color formers and lewis acids |
| 摘要 |
Thermochromic compositions that include combinations of at least one color former and at least one Lewis acid in a polymer mixture are disclosed. The thermochromic compositions reversibly change appearance from substantially transparent to substantially non-transparent above a lower critical solution temperature.
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| 申请公布号 |
US2004119057(A1) |
申请公布日期 |
2004.06.24 |
| 申请号 |
US20030677824 |
申请日期 |
2003.10.01 |
| 申请人 |
SPECTRA SYSTEMS CORPORATION |
发明人 |
LAWANDY NABIL M.;DRISCOLL TIMOTHY J.;ZEPP CHARLES M. |
| 分类号 |
B07C3/18;(IPC1-7):G02F1/00 |
主分类号 |
B07C3/18 |
| 代理机构 |
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代理人 |
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| 地址 |
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