Light-polarizing particles of improved particle size distribution
US6334967B1 · kind B1 · utility
2Cited by
15References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2000 |
| Grant date | Jan 1, 2002 |
| Priority date | — |
| Expiry date | Dec 21, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/3008
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method of making particles of light-polarizing material comprising reacting a precursor suitable for forming polyhalide particles with elemental iodine and a hydrohalide or an ammonium, alkali metal, or alkaline earth metal halide wherein the average size and/or median size of the precursor is less than 1 micron.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.