Patent · US Expired

4H-Thiopyran-1,1-dioxide and electrophotographic layers and elements comprising same

US4514481A · kind A · utility

31Cited by
2References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 9, 1984
Grant dateApr 30, 1985
Priority date
Expiry dateMar 9, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/0637
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel 4H-thiopyran-1,1-dioxides are disclosed. They are useful as electron transporters in electrophotographic layers and elements.

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