Patent · US Expired

Photographic elements comprising antistatic layers of vanadium pentoxide, epoxy-silane, and sulfopolymer

US5439785A · kind A · utility

38Cited by
11References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 19, 1994
Grant dateAug 8, 1995
Priority date
Expiry dateJul 19, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C1/85
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Light-sensitive photographic element comprising a polymeric film base, a silver halide emulsion layer, and an antistatic layer comprising a colloidal vanadium oxide and a sulfopolyester. The antistatic layer may be present as a backing layer on the side of the base opposite the silver halide emulsion layer, as a subbing layer between the base and the emulsion layer in a single or double side coated photographic element, and/or as a subbing layer between the base and a different backing layer.

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