Flakes comprising non-chiral liquid crystal material
US7297292B2 · kind B2 · utility
2Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2003 |
| Grant date | Nov 20, 2007 |
| Priority date | — |
| Expiry date | Jan 12, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2250/36
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to liquid crystal flakes, to methods of their preparation and to their use as pigments for security or decorative applications or optical elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.