Patent · US Expired

Spectrally sensitized tabular grain photographic materials

US6280915A · kind A · utility

1Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 1994
Grant dateAug 28, 2001
Priority date
Expiry dateJun 29, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/167
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A silver halide coated photographic material is disclosed comprising sensitized silver bromide or silver bromoiodide tabular grains having an average thickness of less than 0.30 .mu.m, in at least one light-sensitive layer and which is characterised in that it further contains in the said light-sensitive layer and/or at least one non-light sensitive layer at least one polyoxyethylene compound comprising from about 20 to 100 mole percent recurring units of the formula (Ia) ##STR1## and 80 to 0 mole % recurring units of the formula ##STR2## and wherein R represents an aliphatic, aromatic, or heterocyclic group, and X represents a halogen.

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