Spectrally sensitized tabular grain photographic materials
AssigneeAgfa-Gevaert
InventorsMarc Van den Zegel, Jan Claes, Jean-Marie Dewanckele
Life of this patent
Estimating the term…
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 μm, 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) and 80 to 0 mole % recurring units of the formula and wherein R represents an aliphatic, aromatic, or heterocyclic group, and X represents a halogen.
Claims7
Photographic material comprising a support having on at least one side thereof at least one light-sensitive silver halide layer and at least one non-light-sensitive layer containing in at least one light-sensitive layer spectrally sensitized silver bromide or silver bromoiodide tabular grains having an average thickness of less than 0.30 μm and which is characterised in that the said photographic material further contains in 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)
- and 80 to 0 mole % recurring units of the formula (Ib)
- and wherein R represents an aliphatic, aromatic, or heterocyclic group, and X represents a halogen.
Dependencies are inferred from the claim text.