Patent · US Expired

Light polarizing materials and suspensions thereof

US5130057A · kind A · utility

14Cited by
3References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 2, 1990
Grant dateJul 14, 1992
Priority date
Expiry dateNov 2, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/172
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Light-polarizing materials, comprising a complex obtained by reacting elemental iodine, and iodide unsubstituted or monoalkyl- or dialkyl-substituted 2,5-dicarboxy-pyrazine and uses thereof in liquid suspensions, set suspensions and light valves.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.