Patent · US Expired

Light-polarizing particles of improved particle size distribution

US6334967B1 · kind B1 · utility

2Cited by
15References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 2000
Grant dateJan 1, 2002
Priority date
Expiry dateDec 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.