Eastman-kodak Company

Other

Rakesh Jain

John W Harder

Leslie Shuttleworth

Hugh M Williamson

Thomas H Jozefiak

William R Schleigh

Sundaram Krishnamurthy

Paul P Spara

Stanley W Cowan

Robert C Stewart

William J Begley

Philip T Lau

Barbara Boland Lussier

James Stephen Honan

John L Pawlak

Robert F Romanet

Paul A Burns

Daniel L Kapp

Thomas A Rosiek

Susan M Fischer

Disclosed is a photographic element comprising at least one light sensitive silver halide emulsion layer having associated therewith: (A) a phenolic cyan dye-forming 'NB coupler';

Cyan coupler, and stabilizer-containing photographic element and process

Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a certain magenta dye forming coupler and a light-sensitive silver halide emulsion layer having associated therewith a certain yellow dye-forming coupler. The element exhibits improved dye fade and equal or better red color gamut than that obtained using comparisons.

Magenta and yellow coupler combination in silver halide photographic

Disclosed is a photographic element comprising a support on which is coated at least one layer containing a light sensitive silver halide emulsion having associated therewith a dye-forming coupler of Formula (1a). wherein R.sub.1 is an alkyl group of not more than 8 carbon atoms; R.sub.5, R.sub.6, R.sub.7, and R.sub.8 each independently represent a hydrogen atom or a substituent; and A is an alkylene group. The element has improved post-process keeping.

Photographic element containing specific magenta coupler

Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a 4-H-pyrazolo-[1,5-a] benzimidazole coupler bearing in the 3-position an azole group bonded through a nitrogen atom of the azole and bearing in the 2-position an alkoxy substituent.

Photographic element, pyrazole derived couplers and process

Disclosed is a photographic element comprising a light sensitive silver halide emulsion layer having in association therewith at least one dye- forming coupler of Formula (1a): ##STR1## wherein: R.sub.1 is an alpha-branched alkyl group with greater than 10 carbon atoms;

Photographic element and process for its use

Disclosed is a photographic element comprising a support on which is coated at least one green-sensitized silver halide emulsion layer having associated therewith at least one magenta dye-forming coupler of Formula I ##STR1## wherein: R.sub.1 is an alkyl group;

Photographic element with particular magenta coupler

A photographic element comprises a light-sensitive silver halide emulsion layer having associated therewith a 4-H-pyrazolo-[1,5-a] benzimidazole coupler bearing in the 2-position an alkoxy substituent containing a substituent comprising at least 3 fused carbocyclic rings.

Photographic element containing magenta coupler with particular

Disclosed is a photographic element comprising a silver halide emulsion layer having associated therewith a dye-forming coupler represented by Formula I: ##STR1## wherein R' represents the group ##STR2## in which R.sup.1, R.sup.2, and R.sup.3 independently selected all groups, provided that any two of R.sup.1, R.sup.2, and R.sup.3 may join to form a ring;

Photographic element containing magenta coupler having improved

A silver halide photographic element comprising a magenta dye forming coupler and a compound of formula (A) associated with the coupler: ##STR1## wherein: each R.sup.20 independently represents an alkyl, alkenyl, or heteroaryl group; Ar represents an aryl or heteroaryl group. Photographic elements of the present invention exhibit low thermal pinking, while still having good image stability and hue.

Photographic elements with magenta dye forming couplers and stabilizers

Dye fade in photographic images prepared from a silver halide photographic element having a light sensitive silver halide emulsion layer and a pyrazoloazole dye forming coupler is reduced by using a combination of stabilizer compounds as shown in the specification.

Photographic elements containing magenta dye forming couplers and fade

Dye fade in photographic images prepared from a silver halide photographic element having a light sensitive silver halide emulsion layer and a pyrazoloazole dye forming coupler is reduced by using a combination of stabilizer compounds of formula S, formula I and optionally formula R. ##STR1##

A photographic element and imaging process employ a light-sensitive silver halide emulsion layer having associated therewith a magenta azine dye-forming coupler which is a phenol having (1) an acylamino group in the 2-position wherein the amino nitrogen contains a substituent which is an aliphatic or aromatic group; (2) hydrogen or a coupling-off group in the 4-position; and

Photographic element and process employing magenta azine dye-forming

A silver halide photographic element comprising a light sensitive silver halide containing layer which also contains a 2-equivalent pyrazolone magenta coupler, a thiomorpholine dioxide compound which has an alkoxy substituted aryl group substituent on the ring nitrogen, a compound of formula (I) below, and a hydroquinone compound of formula (R) below: ##STR1## wherein: R.sub.3, R.sub.4 and R.sub.31 are independently an alkyl group or H; R.sub.11, R.sub.12 and R.sub.21 are alkyl groups. The presence of the compound (I) when used with the two-equivalent pyrazolone magenta coupler and compounds (R) and (S), can result in a photographic element with low printout and/or thermal discoloration problems.

Photographic elements containing 2-equivalent pyrazolone magenta dye

A silver halide photographic element having a light sensitive silver halide which layer also contains a 2-equivalent pyrazolone magenta coupler, a compound of formula (S) below, and a hydroquinone compound of formula (R) below: ##STR1## wherein: R.sub.1 is an alkyl group; and R.sub.2, R.sub.3 and R.sub.4 are independently an alkyl group or H. The presence of the compound (S) when used with the two-equivalent pyrazolone magenta coupler and compound (R), can result in low magenta dye fade, increased wavelength of maximum absorption of the magenta dye and increased magenta dye bandwidth.

A photographic element having at least one photosensitive silver halide layer and associated therewith both a particular type of color coupler and a particular type of stabilizer. The color coupler is of the general formula (1) or (2): ##STR1## wherein A and B represent the same or different electron-withdrawing group, X is H or a group which splits off on coupling with oxidized color developer, R is an alkyl, cycloalkyl, aryl or heterocyclic which may be substituted, --COR.sup.1, --CSR.sup.1, SOR.sup.1, SO.sub.2 R.sup.1, --NHCOR.sup.1, --CONHR.sup.1, --COOR.sup.1, --COSR.sup.1, --NHSO.sub.2 R.sup.1 wherein R.sup.1 is an alkyl, cycloalkyl, or aryl group any of which are optionally substituted, and wherein two or more of A, B, R, and X optionally form part of a ring, Link is a linking group and n is 0, 1 or 2. The stabilizer is of the general formula (II), (III) or (IV): ##STR2## wherein the substituents of (II), (III) and (IV) are as defined in the specification.

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Penfield, NY, United States of America

Rakesh Jain