Eastman-kodak Company

David Hoke

Jared B Mooberry

Robert F Romanet

Paul B Merkel

David T Southby

Joan C Potenza

James J Seifert

Chang-Kyu Kim

Zheng Zhi Wu

Chang K Kim

Kenneth N Kilminster

Stephen P Singer

Frank D Coms

Louis Elbert Friedrich

Melvin M Kestner

Kevin P Dockery

Judith A Bose

Ronald R Valente

Francesco DeBellis

Philip T Lau

Stanley W Cowan

Krishnan Chari

Hans G Ling

Steven M Bonser

Kathleen M Yahn

Jeffrey Walter Schmoeger

Disclosed is a carbamyl chloride of an aminoarylcarbonyl compound having the structural formula I:

Preparation of high dye-yield couplers and intermediates useful therein

Disclosed is a photographic element containing a light sensitive silver halide emulsion layer having associated therewith a coupler represented by Formula I: ##STR1## wherein COUP is a coupler parent group capable of reacting with an oxidized developer to form a first dye and is bonded at a coupling position to the group ##STR2## wherein X is a or NSO.sub.2 R; R is an alkyl or aryl group; and DYE is a releasable second dye that is after release the same color as the first dye and is linked to OC.dbd.X by a moiety of the DYE having Formula (IA): ##STR3## wherein R.sup.2 is a substituent; provided there is contained in the coupler of Formula I at least one group of Formula IB:

Photographic element containing high dye-yield couplers

A method of making an alkylaminoarylcarbonyl compound having Formula I: ##STR1## wherein R is an alkyl group;

Processes for making and using alkylaminoarylcarbonyl compounds

Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a dye-foaming coupler compound and a sulfonamido compound (a) bearing on the sulfur atom of the sulfonamido group an alkyl group and (b) bearing on the nitrogen atom of the sulfonamido group both a hydrogen atom that exhibits a pKa value of less than 9 and a second substituent that is either (1) an aryl group containing one or more electron withdrawing substituents for which the sum of the Hammett's values (.SIGMA..sigma..sub.p) is greater than 0.5, or (2) a heteroaryl group.

Photographic element containing sulfon amido compounds that boost dye

The invention provides a photographic element comprising a light sensitive silver halide emulsion layer having associated therewith a dye-forming coupler having formula I: ##STR1## wherein R.sub.1 is selected from the group consisting of alkyl, aryl, and heterocyclic groups;

Photographic element containing an improved pyrozolotriazole coupler

There are described intermediates for the preparation of known pyrazoloazole photographic magenta dye forming couplers and processes for making and using these intermediates. The intermediates are low molecular weight compounds represented by the structure: ##STR1## wherein: R, X, R.sup.1 and Y are defined herein. The process for making these intermediates involves diazotizing a 5-amino-1H-pyrazole to produce a 5-diazo-1H-pyrazole, then condensing the diazotized product with an active methine or methylene compound having a pKa of 14 or less to produce a substituted hydrazone and then subjecting the hydrazone to cyclization and reduction, in either order.

Intermediates for the preparation of pyrazoloazole photographic

The invention provides a photographic element which comprises a light-sensitive silver halide emulsion layer having associated therewith a cyan dye-forming coupler having the formula: ##STR1## wherein: each R.sub.1 independently represents an alkyl or aryl group;

Photographic element containing a particular cyan dye-forming coupler

Photographic element are described comprising a support bearing a photographic silver halide emulsion layer having associated therewith a micro-precipitated dispersion of a high dye-yield coupler having the formula:

Photographic element containing dispersions of high dye-yield couplers

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

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

Photographic element containing an improved pyrazolotriazole coupler

The invention provides a photographic element comprising a substrate bearing a photographic silver halide emulsion layer having associated therewith a high dye-yield coupler having the formula: ##STR1## wherein: COUP is a photographic coupler residue capable of coupling with oxidized color developer to form a first dye;

Photographic element containing a high dye-yield coupler with methine

The invention provides a photographic element comprising a support bearing a photographic silver halide emulsion layer having associated therewith a high dye-yield coupler having the formula:

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Rochester, NY, United States of America

David Hoke