Eastman-kodak Company

Kodak Alaris Inc.

Eastman Kodak Compamn

Jess B Hendricks, Iii

Jerzy A Budz

Paul L Zengerle

Glenn M Brown

Walter Harold Isaac

Vincent J Flow

Heinz E Stapelfeldt

Patrick W Webber

Andrew D Church

Darrell B Austin

Cynthia A Fitzgerald

Carolyn Rae Ellinger

Roger L Lok

Seshadri Jagannathan

Ramesh Jagannathan

Rajesh Vinodrai Mehta

James Stephen Honan

Eric L Bell

Jerzy Z Mydlarz

Thomas A Rosiek

Benjamin T Chen

Paul T Hahm

Michael G Antoniades

Donald Robert Irwin

Sucheta Tandon

Ronald A Gogle

Jayme Diniz Ribeiro

John A Haefner

Katrin I Parsiegla

Douglas E Singer

Harold G Judd

Jeffrey C Smitley

Patti L Mellars

Carolyn H Ellinger

John H Harder

A color photographic element has a reflective support and a blue light sensitive color record, a green light sensitive color record, and a red light sensitive color record and can be used to provide color photographic prints. The element also has a non-light sensitive layer over the red light sensitive color record. This non-light sensitive layer has (1) a hydrophilic colloid in an amount of at least 200 mg/mto and including 2,000 mg/m, (2) matte particles, and (3) an acrylate latex polymer having latex particles having an average size of less than 1 &#x3bc;m and a glass transition temperature of at least 70&#xb0; C. The dry weight ratio of the acrylate latex polymer to the hydrophilic colloid is at least 0.8:1 and the dry weight ratio of the acrylate latex polymer to the total matte particles is at least 15:1.

Color photographic silver halide paper and use

A color photographic element has a reflective support and a blue light sensitive color record, a green light sensitive color record, and a red light sensitive color record can be used to provide color photographic prints. The element also has a non-light sensitive interlayer between the green light and red light sensitive color records. This interlayer comprises a hydrophilic colloid and an acrylic latex polymer having a glass transition temperature (T) of less than 0&#xb0; C. The presence of this acrylic latex polymer in the interlayer reduces the formation of a cyan line defect when the color photographic print is folded or creased, such as in photobooks.

The invention relates to a photographic element comprising a support and at least three color records comprising at least three light sensitive layers and at least two interlayers, wherein the light sensitive layers include cyan, magenta, or yellow dye-forming coupler, the light sensitive layers include silver halide grains comprising greater than 90% silver chloride, scavengers are included in the interlayers, the ratio of the total level of scavenger to the total level of coupler is from 0.15 to 0.50, the ratio of the total level of scavenger to the total level of silver is from 0.05 to 0.15, and the reciprocity characteristics of the silver halide grains are such that for a separation exposure of 1 microsecond and 0.4 seconds, upon development, the difference in maximum density is 10% or less and a method for processing the element comprising color developing the element for less than 30 seconds.

Photographic imaging element with reduced fringing

A method for forming a radiation-sensitive high chloride silver halide emulsion is described comprising growing cubical silver halide grains having a central portion accounting for up to 98 percent of total silver of the grains which central portion contains an iridium coordination complex dopant, and chemically sensitizing the surface of the emulsion grains at a pH of at least 5.75. Localized addition of the known in the art reciprocity-controlling iridium dopants to an internal portion of the emulsion grains and chemical finishing of such an emulsion at elevated pH conditions improves reciprocity and latent image stability of the formed high chloride emulsions.

High chloride emulsions with optimized digital reciprocity characteristics

Disclosed is a silver halide direct view multicolor photographic element comprising a green record containing a green light sensitized silver halide emulsion and comprising either (a) a magenta dye-forming coupler and a cyan dye-forming coupler in an amount of at least 0.1 mole % of the couplers present in the green record, or (b) a green record having a coupler or couplers sufficient to provide upon development a Status A red density greater than 0.23 as measured using a green light separation exposure at a Status A green density of 1.0.

Direct view photographic element containing a particular green record

Disclosed is a silver halide direct view multicolor photographic element comprising a red record containing (1) a red light sensitized silver halide emulsion, (2) a cyan dye-forming NB first coupler, and (3) a second coupler selected from (a) a magenta dye forming coupler in an amount of 2-30 mole % of the total coupler in the red record and (b) a cyan dye-forming coupler having a greater absorption in the green spectra than the first coupler in an amount sufficient to provide a Status A green density in the range of 0.27 to 0.40 using a red light separation exposure at a Status A red density of 1.0. Such an element exhibits improved flesh tone reproduction and good dye dark stability.

Direct view photographic element containing a particular red record

A mixer for preparing silver halide grains for photographic use has upper and lower impellers housed in a draft tube. The bottom impeller has flat blades for micromixing silver and halide reactants introduced into the bottom of the draft tube. The upper impeller has pitched blades for macromixing the bulk fluid. The impellers are spaced apart at least the distance of their diameters so that the upper and lower impellers operate independently of one another so that micromixing is independent of macromixing. A flow disrupter structurally associated with the draft tube and positioned above the top impeller prevents vortexing of the fluid during mixing. Baffles may be provided in the draft tube to discourage vortexing.

Scalable impeller apparatus for preparing silver halide grains

Process for the preparation of high chloride emulsions containing iodide

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

Photographic paper with iodochloride emulsion and disulfide compound

The invention provides a process for incorporating iridium into silver chloride or silver chlorobromide emulsions containing 90% or more chloride which comprises addition of an iridium salt along with or followed by the addition of bromide to the emulsion, after completion of the precipitation stage of emulsion manufacture. The invention also encompasses the formed emulsions and photographic elements comprising the emulsions.

Iridium and bromide in silver halide grain finish

Color photographic materials and methods employ a substrate bearing a silver chloride emulsion. The silver chloride emulsion includes a diamino disulfide and a sulfinate. The diamino disulfide and the sulfinate are included in a weight ratio of from about 1:1 to about 1:20, and provide improved storage stability and reduced high temperature sensitivity during exposure.

Color photographic materials and methods with stabilized silver chloride

Growing community of inventors

Rochester, NY, United States of America

Jess B Hendricks, Iii