Patent · US Expired

Non-linear optical material

US5045239A · kind A · utility

3Cited by
1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 17, 1989
Grant dateSep 3, 1991
Priority date
Expiry dateMar 17, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/3613
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A non-linear optical material comprises a derivative of chalcone represented by the following general formulae (I) or (II) of: ##STR1## wherein R.sub.1 and R.sub.2 each represent a halogen atom, a hydroxyl group, an amino group, a dimethylamino group, a nitro group, a cyano group, a phenyl group, an acetyl group, an alkyl group having 1 to 18 carbon atoms or an alkyloxy group having 1 to 22 carbon atoms; n.sub.1 and n.sub.2 each represent an interger of from 0 to 21; and m.sub.1 and m.sub.2 each represent an integer of from 0 to 5.

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