Eastman-kodak Company

Annabel A Muenter

Jerome Robert Lenhard

Paul A Zielinski

Stephen A Godleski

Samir Y Farid

Ian R Gould

Richard L Parton

Anthony Adin

James A Friday

Steven P Szatynski

Chin H Chen

Joseph P Pepe

David T Southby

Kenneth Joseph Reed

David A Stegman

Lal C Vishwakarma

Jeffrey C Hansen

Sharon G Johnston

Jerome J Looker

James C Owens

Gilbert Allan Hawkins

Deepak Shukla

Philip T Lau

Donald R Diehl

James Henry Reynolds

Jon N Eikenberry

Yun C Chang

George J Burgmaier

Charles H Weidner

Sharon R Lunt

Roger A Bryant

John D Baloga

Nicholas A Pightling

David Beaumond

Photographic element containing a fragmentable electron donor for improved photographic response

Color photographic element containing a fragmentable electron donor for improved photographic response

Fragmentable electron donor compounds in combination with high bromide tabular grain emulsions

Photographic element with improved sensitivity and improved keeping

Fragmentable electron donor compounds combined with broad blue spectral sensitization

Silver halide light sensitive emulsion layer having enhanced photographic sensitivity

Silver halide element with improved high temperature storage and sensitivity

Multicolor photographic element with improved latent image keeping

A color photographic element comprises a support and at least one dye image forming layer unit comprising gelatin-peptized radiation-sensitive silver halide grains, a fragmentable electron donating compound; and an electron transfer agent releasing compound.

Color photographic elements of increased sensitivity

A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula:

Color photographic element containing a fragmentable electron donor in combination with a one equivalent coupler for improved photographic response

This invention comprises a photographic element comprising a support and at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula:

Silver halide light sensitive emulsion layer having enhanced

A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula: ##STR1## wherein A is a silver halide adsorptive group that contains at least one atom of N, S, Se, or Te that promotes adsorption to silver halide, and Z is a light absorbing group including for example cyanine dyes, complex cyanine dyes, merocyanine dyes, complex merocyanine dyes, homopolar cyanine dyes, styryl dyes, oxonol dyes, hemioxonol dyes, and hemicyanine dyes, and XY is an fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein:

A photographic element comprises at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of formula

This invention comprises a photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula X--H, wherein X is an electron donor moiety to which a base, B.sup.-, is covalently linked and H is a leaving hydrogen atom, and wherein:

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Rochester, NY, United States of America

Annabel A Muenter