Patent · US Expired

Photoconductive devices with hydroxy containing squaraine compositions

US4552822A · kind A · utility

20Cited by
3References
61Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 1983
Grant dateNov 12, 1985
Priority date
Expiry dateDec 5, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/0618
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Photoresponsive devices, including layered photoresponsive devices comprised of a photoconductive layer of squaraine compositions of the following formula: ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 are independently selected from the group consisting of alkyl substitutents and aryl substituents.

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