Eastman-kodak Company

James J Seifert

Jared B Mooberry

David Hoke

David Howard Levy

Mark Edward Irving

Lyn Marie Irving

Xiqiang K Yang

Wojciech K Slusarek

James Henry Reynolds

David T Southby

Chang-Kyu Kim

Zheng Zhi Wu

Stephen P Singer

Frank D Coms

Robert J Ross

Daniel L Kapp

Kevin P Dockery

Stephen A Godleski

Paul P Spara

Charles Warren Wright

Zbyslaw R Owczarczyk

Steven M Bonser

David K Southby

Marshall L Vandewalle

This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein:

Imaging element containing a blocked photographically useful compound

Disclosed is a process comprising reacting a primary alcohol sulfone with a reducing agent and a halogenating agent in the presence of an amide compound present in an amount of less than 1 part amide per part of primary alcohol sulfone to form a vinylsulfone.

Synthesis of vinylsulfones

Color photothermographic elements comprising blocked developing agents

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

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:

Photographic element containing high dye-yield couplers having improved

Azoaniline masking couplers for photographic materials

A photographic element having improved granularity contains a dye-forming coupler containing a carbamic acid precursor capable of being converted into a carbamic acid group during processing, and wherein after processing the carbamic acid group decomposes, leaving the dye substantially non-diffusable.

Carbamic acid solubilized smearing couplers

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Hilton, NY, United States of America

James J Seifert