Eastman-kodak Company

Melvin M Kestner

Yongcai Wang

Paul B Merkel

Dennis E Smith

Alfred B Fant

Gary W Visconte

Pranab Bagchi

Jerrold N Poslusny

Paul L Zengerle

Ronald E Leone

James Lee Bello

David A Steele

David Hoke

Kevin M O'Connor

Melvin D Sterman

Peter T Aylward

Debasis Majumdar

Narasimharao Dontula

Anthony Adin

James A Friday

Suresh Sunderrajan

Kurt Michael Schroeder

Jeffrey L Hall

Steven G Link

Eric L Bell

Richard L Daubendiek

Walter Harold Isaac

Paul T Hahm

Kelly Stephen Robinson

Alberto M Martinez

Frederick Charles Derks

Jeffrey Walter Schmoeger

Rudolf D Steinmetz

The invention relates to an imaging member and a method for use therewith comprising an imaging layer and a base wherein said base comprises a closed cell foam core sheet and adhered thereto an upper and lower flange sheet, and wherein said imaging member has a stiffness of between 50 and 250 millinewtons and is conductive.

Conductive foam core imaging member

The present invention relates to photographic elements having a protective overcoat that resists fingerprints, common stains, and spills. The overcoat comprises an epoxy material, an acid polymer, a water-soluble hydrophilic binder and an associative thickener. In one embodiment, a photographic element includes a support, at least one silver halide emulsion layer superposed on the support and a processing-solution-permeable overcoat overlying the silver halide emulsion layer that becomes water-resistant in the final product without requiring lamination or fusing. The present invention is also directed to a method of making a print involving developing the photographic element.

Protective epoxy overcoat for imaging elements

The present invention relates to photographic elements having a protective overcoat that resists fingerprints, common stains, and spills. The overcoat comprises an epoxy material, an acid polymer, and a water-soluble hydrophilic binder. In one embodiment, a photographic element includes a support, at least one silver halide emulsion layer superposed on the support and a processing-solution-permeable overcoat overlying the silver halide emulsion layer that becomes water-resistant in the final product without requiring lamination or fusing. The present invention is also directed to a method of making a print involving developing the photographic element.

Protective epoxy overcoat for photographic elements

A silver halide photographic element comprises a support having thereon at least one light-sensitive silver halide emulsion layer and a light-insensitive protective layer, the light-insensitive protective layer comprising an ultraviolet absorbing layer closer to the support and an outermost protective layer, the ultraviolet absorbing layer comprising an ultraviolet aborbing dye, a high boiling organic solvent, and a hydrophilic binder, the outermost protective layer comprising insoluble matte particles having a mean particle size of larger than 0.5 &mgr;m, dispersed polymer particles having a mean size of less than 0.2 &mgr;m, and a glass transition temperature of at least 70&deg; C., and a hydrophilic binder.

Photographic element having improved scratch and abrasion resistance

A silver halide photographic element, and a method of making such an element, comprising a tabular grain silver halide emulsion containing at least one green spectral sensitizing dye of formula I, and at least one green spectral sensitizing dye of formula II:

Green sensitized tabular grain photographic emulsions

The invention relates to a photographic emulsion comprising silver iodochloride grains, said grains further comprising iridium, said grains chemically sensitized with gold in an amount of between 120 and 200 mg gold per silver mole and sulfur in an amount between 0.1 and 20 mg sulfur per silver mole, 1-(3-acetamidophenyl)-5-mercaptotetrazole, 1-phenyl-5-mercaptotetrazole, and a disulfide compound represented by the following formula: ##STR1## wherein X is independently --O--, --NH-- or --NR--, where R is a substituent;

Color paper with improved wet abrasion sensitivity

A photographic material comprising a cassette containing a processed photographic element, the photographic element comprising a support, at least one light sensitive silver halide layer and a protective overcoat layer on the light sensitive layer, the protective overcoat layer comprising a hydrophilic binder and permanent matte particles, the permanent matte particles comprising greater than 80 mole percent methyl methacrylate and having a mean particle size of from 1 to 1.8 .mu.m and a coating weight of from 70 to 250 mg/m.sup.2.

Photographic material having a processed photographic element in a

The invention provides a multilayer color negative photographic element comprising a support, at least one light-sensitive silver halide emulsion layer sensitive to each of the blue, green and red regions of the visible spectrum, a magnetic recording layer, and a permanent density correction dye, wherein:

Density correction dyes for color negative films with magnetic recording

Silver halide photographic elements are disclosed comprising a support having a front and a back side, at least one light-sensitive silver halide emulsion layer and a light-insensitive protective overcoat on the front side of the support, and a magnetic recording layer on the back side of the support, the light-insensitive protective overcoat comprising an outermost protective layer, wherein the outermost protective layer comprises a hydrophilic binder and dispersed particles having a mean size of less than 0.4 .mu.m of a polymer having a glass transition temperature of at least 70.degree. C. comprising units derived from monomers A and B at a weight ratio of A:B of from 97:3 to 80:20 and less than 3 wt % ionic monomers, where A represents ethylenically unsaturated monomers which form substantially water insoluble homopolymers and B represents ethylenically unsaturated non-ionic monomers capable of forming water soluble homopolymers. In preferred embodiments of the invention, the light-insensitive protective overcoat further comprises an ultraviolet absorbing layer, which is preferably positioned between the light sensitive silver halide emulsion layer and the outermost protective layer, and which preferably comprises an ultraviolet absorbing dye, a high boiling organic solvent, and a hydrophilic binder. The outermost protective layer preferably also comprises photographic process insoluble matte particles having a mean particle size of larger than 0.5 .mu.m.

Photographic element having improved ferrotyping resistance and surface

The invention provides a multilayer color negative photographic element comprising a support, at least one light-sensitive silver halide layer sensitive to each of the blue, green and red regions of the visible spectrum, a magnetic recording layer and a yellow or orange-yellow methine density correction dye of structure I, ##STR1## wherein R.sub.1 is hydrogen or an alkyl group;

Methine yellow density correction dyes for color negative films with

The invention provides a multilayer color negative photographic film comprising a support, at least one light-sensitive silver halide layer sensitive to each of the blue, green and red regions of the visible spectrum and a yellow or orange-yellow methine dye of structure I, ##STR1## wherein: R.sub.1 is hydrogen or an alkyl group;

Color negative films containing yellow methine dyes for filtration and

The invention relates to a radiation-sensitive silver halide emulsion comprising

Epitaxially sensitized tabular grain emulsions containing speed/fog

In accordance with the present invention, a photographic element comprises a support, at least one light-sensitive layer, and a protective overcoat comprising a hydrophilic binder and permanent matte particles, the permanent matte particles comprising a polymer of methyl methacrylate and having a size distribution of a first and a second mode, with the first mode being composed of particles having a mean particle size of from 0.2 to 1.2 micrometers in a coating weight of from 10 to 200 mg/m.sup.2 and the second mode having a mean particle size of from 1.5 to 10 micrometers in a coating weight of from 5 to 150 mg/m.sup.2, the total coating weight of the particle of the first and the second modes being greater than 100 mg/m.sup.2.

Photographic elements containing matte particles of bimodal size

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 comprising certain 2-phenylcarbamoyl-1-naphthol image-modifying couplers exhibit proper hue, a resistance to dye crystallization, and a resistance to leuco cyan dye formation. Such couplers can be utilized for their image-modifying effect and can contribute substantially to the overall dye density of an image.

Growing community of inventors

Hilton, NY, United States of America

Melvin M Kestner