Eastman-Kodak Company

Gary W Visconte

Alfred B Fant

Yongcai Wang

Dennis E Smith

Kurt Michael Schroeder

Melvin M Kestner

Melvin D Sterman

Ronald G Olsen

Pranab Bagchi

Alan R Pitt

Jehuda Greener

James A Friday

James Lee Bello

Michael W Orem

Alberto M Martinez

A photographic film comprising a base layer and at least one emulsion layer, the emulsion layer having a melting temperature that is within 4 degrees centigrade of the incubation temperature used in an accelerated core-set test.

Emulsion composition to control film core-set

This invention contemplates a multilayer, multicolor photographic element comprising a support, a plurality of dye-forming hydrophilic colloid containing silver halide emulsion layers which are spectrally sensitized to different regions of the visible spectrum including at least one blue-sensitive emulsion layer, a green-sensitive emulsion layer, and a red-sensitive emulsion layer wherein the topmost silver halide emulsion layer has a water swell percentage which is greater than any other light-sensitive emulsion layer.

Color photographic element

This invention contemplates a multilayer, multicolor photographic element comprising a support, a plurality of dye-forming hydrophilic colloid containing silver halide emulsion layers which are spectrally sensitized to different regions of the visible spectrum including at least one blue-sensitive emulsion layer, a green-sensitive emulsion layer, and a red-sensitive emulsion layer. Each of the silver halide emulsion layers includes imaging silver having at least 25 weight percent ultrathin tabular grains having a thickness of less than 0.07 microns. One of the silver halide emulsion layers is a topmost silver halide emulsion layer having a water swell percentage which is greater than any other light-sensitive emulsion layer.

Photographic element having ultrathin tabular grains

The present invention is a silver halide photographic element which includes a support, at least one light sensitive silver halide emulsion layer; and at least one light-insensitive protective layer. The light insenstive protective layer includes a hydrophilic binder, a colloidal silver particle and an ultraviolet ray absorbing polymer particle having a mean size of greater than 0.01 .mu.m. The ultraviolet ray absorbing polymer particle contains an ultraviolet ray absorber and a polymer derived from monomer A and less than 10 weight percent of monomer B, wherein monomer A represents ethylenically unsaturated monomers which form substantially water insoluble homopolymers, and monomer B represents ethylenically unsaturated monomers capable of forming water soluble homopolymers.

Photographic element with outer layer having improved physical

The present invention is a silver halide photographic element which includes a support, at least one light sensitive silver halide emulsion layer, and an antihalation undercoat layer interposed between the at least one light sensitive silver halide layer and the support. The antihalation undercoat layer includes a hydrophilic binder and an ultraviolet ray absorbing polymer particle having a mean size of greater than 0.01 .mu.m. The ultraviolet ray absorbing polymer particle includes an ultraviolet ray absorber and a polymer derived from monomer A and less than 10 weight % of monomer B, wherein monomer A represents ethylenically unsaturated monomers which form substantially water insoluble homopolymers, and monomer B represents ethylenically unsaturated monomers capable of forming water soluble homopolymers.

Antihalation undercoat layer with improved adhesion and reduced

A photographic element having a support, a light-sensitive layer and a protective overcoat layer, at least one layer comprising a hydrophilic colloid containing colloidal core-shell latex particles, the core being a hydrophobic polymer and the shell comprising greater than 10 and less than 90 mole percent of an ethylenically unsaturated monomer having a carboxylic acid group.

Photographic element containing a core/shell polymer latex

An imaging element comprising a support, at least one hydrophilic light-sensitive layer and at least one protective overcoat layer containing a binder and permanent matte particles, the permanent matte particles having a size distribution of a first mode and a second mode, the first mode being organic particles having a median size of from 0.2 to 1.2 micrometers in a coating weight of from 10 to 200 mg/m.sup.2, the said second mode being particles having a mean particle size of from 1.5 to 10 micrometers in a coating weight of from 25 to 150 mg/m.sup.2, the total coating weight of particles of the first and second modes being greater than 100 mg/m.sup.2.

Photographic elements containing matte particles of bimodal size

An imaging element having a support, at least one light-sensitive layer and a protective layer containing a binder and lubricating particles, said lubricating particles having a volume of at least 0.085 .pi.t.sup.3 where t is the dry thickness of the protective layer.

Photographic element having improved scratch resistance

Photographic elements having at least one layer containing polymeric matte particles covalently bonded to gelatin and colloidal silica.

Photographic light-sensitive elements

The invention relates to a melt for the coating of a layer in a photographic element and which contains water, gelatin and an anionically charged, hydrophobic group containing compound that is (a) water soluble or soluble in a solution of 5 to 20 percent of water miscible organic solvent,

Viscosity control of photographic melts

Photographic elements containing at least one layer containing polymeric particles surrounded by a layer of colloidal inorganic particles and separate particles of colloidal silica.

Color photographic print materials are described in which the surface pH is between about 4.0 and 5.3. The photographic elements have improved keeping properties under adverse conditions of storage.

Growing community of inventors

Rochester, NY, United States of America

Gary W Visconte