Patent · US Expired

Coated material and the use thereof

US5316852A · kind A · utility

2Cited by
6References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 18, 1992
Grant dateMay 31, 1994
Priority date
Expiry dateAug 18, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31504
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A coated material comprising a substrate which is coated with a layer of a pyrrolopyrrole of formula I ##STR1## wherein R.sub.1 and R.sub.2 may be 4-pyridyl and X.sub.1 and X.sub.2 are O, said compound of formula I being at least partially in the form of a salt of a strong acid, is suitable for use as an optical recording material and, owing to its electrical conductivity and photoconductivity, as antistatically treated material, as sensor, photoreceptor and solar battery.

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