Process of preparing a multilayer cholesteric film I
US6417902B1 · kind B1 · utility
24Cited by
10References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2000 |
| Grant date | Jul 9, 2002 |
| Priority date | — |
| Expiry date | Jul 27, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/3016
- WIPO fieldOptics
- WIPO sectorInstruments
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.