Eastman-Kodak Company

Kenneth N Kilminster

David Hoke

William J Begley

Mark Edward Irving

Ramanuj Goswami

Jerrold N Poslusny

Wojciech K Slusarek

Sundaram Krishnamurthy

Teh-Hsuan Chen

Paul R Buckland

Brian H Johnston

David C Vogel

This invention relates to a photothermographic element comprising a support, at least one photothermographic image-receiving layer, and at least one antihalation layer or a filter layer, wherein the antihalation or filer layer comprises an aqueous heat-bleachable composition comprising at least one dye and at least one hexaarylbiimidazole in the form of particles dispersed in a matrix comprising a hydrophilic or aqueous dispersible polymer.

Aqueous thermally beachable composition useful in a photothermographic element

Photographic compound (A) capable of releasing a photographically useful group is represented by the formula: SOL-CAR-LINK-PUG wherein SOL is a water-solubilizing group; CAR is a carrier moiety that, upon reaction with oxidized developing agent, is capable of releasing LINK-PUG and capable of forming a compound that is washed out of the photographic element during photographic processing; LINK-PUG is in turn capable of releasing a photographically useful group (PUG) during photographic processing and LINK-PUG is represented by the formula: ##STR1## wherein X, R.sub.1, R.sub.2, R.sub.3, R.sub.4 and PUG are as defined in the application. The photographic compound (A) enables formation of easily removable compounds in photographic elements and processes that provide images having improved acutance.

Photographic material and process comprising a compound capable of

Novel pyrazolone photographic couplers contain in the coupling position a coupling-off group represented by the formula: ##STR1## wherein: L.sub.1 and L.sub.2 individually are unsubstituted or substituted methylene or ethylene;

Photographic silver halide element and process

Novel phenolic cyan dye-forming couplers are disclosed. The coupler compounds contain a p-cyanophenylureido group in the 2- position and an acylamino group in the 5- position of the phenolic ring. The acylamino group contains bulky substituents to provide steric interaction within the coupler molecule as well as within the dye molecule derived therefrom. The coupler compounds are useful in photographic recording materials.

Cyan dye-forming couplers and photographic materials containing same

Novel phenolic cyan dye-forming couplers contain a p-cyanophenylureido group in the 2-position and in the 5-position an acylamino substituent containing a sulfone group having bulky substituents sufficient to provide steric interaction within the coupler molecule and the dye molecule derived therefrom. The couplers are useful in photographic emulsions.

Novel phenolic cyan dye-forming couplers contain a p-cyanophenylureido group in the 2-position and in the 5-position an acylamino group containing bulky alicyclic or heterocyclic substituents sufficient to provide steric interaction within the coupler molecule and the dye molecule derived therefrom. The couplers are useful in photographic emulsions.

Growing community of inventors

Rochester, NY, United States of America

Kenneth N Kilminster