Hydrophilic colloid composition
AssigneeEastman Kodak Company
InventorsJeffrey F. Taylor, Tien-teh Chen, Hwei-Ling Yau, Elmer C. Flood, Lan B. Thai
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Abstract
This invention comprises a composition containing a hydrophilic colloid and a water soluble polymer of boric acid, and optionally a hardening agent for the hydrophilic colloid. The hydrophilic colloid is preferably gelatin. This invention also comprises a photographic element in which at least one layer thereof contains a hydrophilic colloid and a water-soluble polymer of boric acid and a method of making the photographic element.
Claims9
A photographic element comprising a support bearing at least one light sensitive layer and at least one other layer, wherein at least one of said layers comprises a hydrophilic colloid and a water soluble polymer of boric acid and at least one of said layers comprises a hardening agent for the hydrophilic colloid.
A method for preparing a photographic element which comprises coating a support with at least one layer comprising an aqueous medium containing a hydrophilic colloid and a polymer containing a water soluble polymer of boric acid and at least one other layer comprising a hydrophilic colloid, wherein at least one of said layers comprises a light sensitive silver halide emulsion, and at least one of said layers contains a hardener for said hydrophilic colloid.
Dependencies are inferred from the claim text.