Chiral optical polymer based information storage material
USRE37658E1 · kind E1 · reissue
4Cited by
5References
9Claims
0Family size
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Key dates
| Filing date | May 9, 2000 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | May 9, 2020 |
Classification
- Technology area (CPC —)General
Abstract
An optical information storage material which can reversibly store said information comprising a polymeric material with a dependence of optical activity on temperature characterized in that the optical activity is substantially invariant at temperatures below Tg of said polymer, and variant at <DEL-S DATE="20020416" ID="DEL-S-00001"/>a<DEL-E ID="DEL-S-00001"/> temperatures at or near or above the Tg.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.