Inventor

SOUTHBY DAVID T

US59 patents

⚠️ This page may combine multiple inventors who share the name “SOUTHBY DAVID T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SOUTHBY DAVID T

EASTMAN KODAK CO

Photographic element containing a high dye-yield coupler with methine dye chromophore

Photographic element containing high dye-yield couplers having improved reactivity

Photographic recording material for accelerated development

Photographic recording material providing improved granularity properties

Photographic color developer compositions

Method of processing a photographic element containing electron transfer agent releasing couplers

Blocked benzotriazole compounds as development restrainer precursors

Development restrainer precursors for photographic elements

Thermally developable imaging system comprising a blocked color-forming agent in association with a hydroxy-substituted aromatic compound for promoting image formation

Heat development of elements containing methine-dye releasing couplers

Blocked incorporated developers in a photographic element

Ink jet ink composition

Ink jet printing process

Ink jet composition

Photographic elements containing blocked dye moieties

Photographic elements containing release compounds

Photographic elements containing release compounds I

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

Photographic material and process employing a development inhibitor releasing compound containing a fluorinated carbon alpha to an amide group

Photographic recording material for accelerated development

Color photothermographic elements comprising phenolic thermal solvents

Imaging element containing a blocked photographically useful compound

Scannable photographic element containing high extinction high-dye-yield cyan couplers

Photothermographic element containing a mixture of blocked developers

Dual process compatible color photothermographic element comprising dry thermal development

Performance of high speed emulsions for color film

Methine-dye releasing couplers for heat image separation systems

Dye releasing couplers for heat image separation systems

Ink jet printing process

Color photographic elements of increased sensitivity

Photographic element containing high dye-yield couplers

Photographic element and process comprising a bleach accelerator releasing compound

Photographic elements containing sulfite releasable release compounds

Packaged color photographic film capable of alternatively dry or wet-chemical processing

Color photographic element having improved contrast and compatibility with both dry and conventional processing

Photographic element comprising a combination of a development inhibiting releasing coupler and a bleach accelerator releasing compound

Photographic element with silver halide emulsion layer of low developability and having an associated high dye-yield coupler

Polymers for the release of photographically useful groups

Polymers for the release of photographically useful groups

Solubilized dyes for inks

Element and process for photographic developer replenishment

Imaging element containing a blocked photographically useful compound

Inkjet inks for printing on both plain and photo-glossy papers

Fogging solution for a reversal process

Fogging solution for a reversal process

Heat image separation with phenolic thermal solvents and dye releasing couplers

Color photographic element having improved contrast and compatibility with both dry and conventional processing

Photographic element containing a high-dye-yield coupler for producing a yellow hue

Photographic element comprising a bleach accelerator releasing compound

SZAJEWSKI RICHARD P

Inkjet ink sets for high speed printing on plain papers and glossy media