Eastman-kodak Company

David T Southby

Jared B Mooberry

Xiqiang K Yang

John Texter

Wojciech K Slusarek

Zbyslaw R Owczarczyk

David Hoke

David Howard Levy

Peter J Twist

Thomas R Welter

Louis Elbert Friedrich

Andrei Andrievsky

Dale E DeCann

Steven Evans

Richard P Szajewski

William J Begley

Mark Edward Irving

Stephen P Singer

David A Steele

Daniel L Kapp

Sharon R Lunt

James J Seifert

Zheng Zhi Wu

Marcel B Madaras

Hwei-Ling Yau

Ralph B Nielsen

Michael J Simons

Samuel Chen

Frank D Coms

James Henry Reynolds

Annabel A Muenter

Drake M Michno

Kevin P Dockery

Hans G Ling

Joan C Potenza

Siu C Tsoi

Donald Singleton, Jr

Hans F Schmitthenner

Norma B Platt

Mihaela L Madaras

Benjamin P Hoag

Katherine Root

Paul B Merkel

Douglas Robert Robello

Philip T Lau

Lyn Marie Irving

Krishnan Chari

Margaret Jones Helber

Kenneth Joseph Reed

James A Friday

John L Pawlak

Jon N Eikenberry

John M Buchanan

David S Bailey

Teh-Hsuan Chen

Scott Channing Sutton

David Scott Uerz

Steven M Bonser

Robert A Arcus

Chang-Kyu Kim

Joseph Bailey

Roland G Willis

Stuart T Gordon

Gregory J Lestina

Lelia Cosimbescu

Miroslav V Mijovic

Jeffrey C Hansen

James T Kofron

Joseph P Pepe

Robert J Newmiller

Roy King

Paul D Zimmerman

Siu-Chung Tsoi

Timothy Glover

Donald, Jr Singleton

Charles H Vogt

Stuart P Briggs

Zbyslaw R Owozarczyk

Zybslaw R Owczarczyk

Kathleen M Yahn

An inkjet ink set including a cyan ink, a magenta ink and a yellow ink, wherein each of said cyan, magenta and yellow inks individually comprises at least 65% water, between 1% and 5% by weight of a dispersed pigment colorant, a surfactant that reduces static surface tension, a dynamic surface tension reducing agent distinct from the surfactant, and at least one humectant distinct from the surfactant and the dynamic surface tension reducing agent; and wherein each of said cyan, magenta and yellow inks is characterized by exhibiting a viscosity normalized dynamic surface tension at surface refresh ages of 0.01 s of less than 23.0 mN/(m*cP); and wherein the average viscosity normalized dynamic surface tension at a surface refresh age of 0.01 s for said cyan, magenta and yellow inks taken together is less than 22.0 mN/(m*cP).

Inkjet ink sets for high speed printing on plain papers and glossy media

An aqueous inkjet ink suitable for priming photo-images on both photo-glossy receivers and plain papers, said ink including at least 50% by weight water, between 0.5% and 8% by weight of 1,2-pentanediol, a humectant distinct from said 1,2-pentanediol, and between 0.2 and 5% by weight of a dispersed pigment colorant, said dispersed pigment colorant exhibiting an average volume weighted 50th percentile particle size of between 0.001 and 0.075 microns.

Inkjet inks for printing on both plain and photo-glossy papers

The invention relates to an ink composition containing a multimetallic oligomeric or polymeric azo colorant wherein the colorant is derived from the polymerization reaction of a polyvalent metal cation with a dimeric tridentate ligand containing a coordinating azo group.

Ink jet ink containing multimetallic polymeric colorants

The invention relates to an ink composition comprising solubilized yellow dyes for inks with improved ozone and light stability.

Solubilized yellow dyes for inks with improved ozone and light stability

This invention relates to an ink composition comprising a dye represented by Formula I: wherein

Solubilized dyes for inks

A method of processing a silver bromoiodide photographic element comprising contacting the photographic element with a color developer for less than 120 seconds; wherein the photographic element comprises a support and more than one dye forming unit, and wherein the dye forming unit closest to the support contains an electron transfer agent releasing compound represented by the formula:CAR-(L)-ETAwherein:

Method of processing a photographic element containing electron transfer agent releasing couplers

An ink jet ink composition of water, humectant and a self-assembling colorant that is capable of spontaneously forming a nanoparticulate dispersion without any prior physical attrition or surface modification, the colorant having the formula: (A)&#x2014;Q&#x2014;(Z)wherein: Q represents a chromophore; each A independently represents an organic or inorganic group capable of hydrogen bonding or other non-covalent bonding; each Z independently represents an organic or inorganic group capable of electrostatic bonding; and m and n each independently represents an integer from 0 to 10; with the proviso that n+m is at least 1; and with the further proviso that at least about 50 wt. % of the colorant is present in the composition as particles.

Ink jet ink composition

An ink jet printing process having the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with ink jet recording elements having a support having thereon an image-receiving layer; C) loading the printer with an ink jet ink composition of water, humectant and a self-assembling colorant that is capable of spontaneously forming a nanoparticulate dispersion without any prior physical attrition or surface modification, the colorant having the formula: (A) &mdash;Q&mdash;(Z) wherein: Q represents a chromophore; each A independently represents an organic or inorganic group capable of hydrogen bonding or other non-covalent bonding; each Z independently represents an organic or inorganic group capable of electrostatic bonding; and m and n each independently represents an integer from 0 to 10; with the proviso that n&plus;m is at least 1; and with the further proviso that at least about 50 wt. % of the colorant is present in the composition as particles; and D) printing on the image-receiving layer using the ink jet ink in response to the digital data signals.

Ink jet printing process

Color photothermographic elements comprising phenolic thermal solvents

This invention relates to an imaging element comprising an imaging layer having associated therewith a blocked polymeric compound in which the blocking group, between the developing agent and the polymeric backbone, is heteroaromatic. Such compounds have good reactivity and can by used to block photographically useful compounds such as developing agents until thermally activated under preselected conditions. Compounds according to the present invention are especially useful in color photothermographic imaging elements.

Imaging element containing a polymeric heteroaromatic blocked developer

Black and white silver halide display elements having good light stability

An ink jet ink composition including water, humectant and a metallized, phthalocyanine colorant, the metallized, phthalocyanine colorant having the formula: MPc(SO X) (SO NRR&prime;) wherein: M represents a metal; Pc represents a phthalocyanine nucleus; each X independently represents hydrogen, alkali metal or an organic cation; a is from 0 to 3; b is from 1 to 4; each R independently represents a substituted or unsubstituted alkyl group having from 1 to about 15 carbon atoms, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group; and each R&prime; independently represents R or hydrogen; with the proviso that a&plus;b is an average of from 2 to 4; and with the further proviso that at least about 50 wt. % of the metallized, phthalocyanine colorant is present in the composition as particles.

Ink jet composition

An ink jet printing process having the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with ink jet recording elements having a support having thereon an image-receiving layer; C) loading the printer with an ink jet ink composition including water, humectant and a metallized, phthalocyanine colorant, the metallized, phthalocyanine colorant having the formula: MPc(SO X) (SO NRR&prime;) wherein: M represents a metal; Pc represents a phthalocyanine nucleus; each X independently represents hyrdrogen, alkali metal or an organic cation; a is from 0 to 3; b is from 1 to 4; each R independently represents a substituted or unsubstituted alkyl group having from 1 to about 15 carbon atoms, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group; and each R&prime; independently represents R or hydrogen; with the proviso that a&plus;b is an average of from 2 to 4; and with the further proviso that at least about 50 wt. % of the metallized, phthalocyanine colorant is present in the composition as particles; and D) printing on the image-receiving layer using the ink jet ink in response to the digital data signals.

A method of processing an imagewise exposed color photographic film, said film having at least three light-sensitive units which have their individual sensitivities in different wavelength regions, each of the units comprising at least one light sensitive silver halide emulsion and image dye coupler, which method comprises contacting the imagewise exposed color photographic film with an aqueous solution containing a non-blocked developing agent, at a temperature of between 30 to 60&deg; C.; and wherein said film further comprises an incorporated reducing agent, at least one organic silver salt and an amido compound wherein the reducing agent is substantially unreactive in the aqueous color development step described above, but wherein color development of the same imagewise exposed film is capable of being alternatively obtained, without any externally applied developing agent, by heating said film to a temperature above about 80&deg; C. essentially in the absence of aqueous solutions, such that the incorporated reducing agent reacts to form dye by reacting with the image dye couplers; with the proviso that the amido compound effectively reduces contrast when the film is heated above 80&deg; C. but does not substantially reduce contrast when the film is processed by contacting the imagewise exposed color photographic film with a non-blocked developing agent under aqueous conditions, at a temperature of between 30 to 60&deg; C.

Color photographic element having improved contrast and compatibility with both dry and conventional processing

Thermally developable imaging system comprising a blocked color-forming agent in association with a hydroxy-substituted aromatic compound for promoting image formation

Growing community of inventors

Rochester, NY, United States of America

David T Southby