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7112398 |
Imaging element containing a blocked photographically useful compound
This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I:
wherein:
the substituents are as defined in the application.
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6770406 |
Imaging element containing a polymeric benzylic blocked developer
This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein PUG is a residue of removing a hydrogen from wherein X,...
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6610450 |
Thermally developable imaging system comprising a blocked color-forming agent in association with a hydroxy-substituted aromatic compound for promoting image formation
This invention comprises an imaging element comprising an imaging layer having associated therewith a phenolic activating agent in combination with a blocked color-forming agent of Structure I: ...
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6534226 |
Imaging element containing a blocked photographically useful compound
This invention comprises an imaging element comprising an imaging layer having associated therewith a compound of Structure I: In the above Structure I, the substituents are as defined in the...
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6531271 |
Color photographic element comprising a multifunctional dye-forming coupler
A light-sensitive silver-halide color photographic element comprising at least two different chromogenic couplers including, in reactive association, a multifunctional coupler and a developer...
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6506528 |
Photothermographic element containing a mixture of blocked developers
This invention relates to a photothermographic color element containing a mixture of blocked developers in the same emulsion layer, which blocked developers having different onset temperatures....
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6472111 |
Color photothermographic element containing a mixture of blocked developers for balancing imaging layers
This invention relates to a photothermographic color element containing a mixture of blocked developers in the same emulsion layers. By having different blocked developers or mixtures of at least...
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6337170 |
Color diffusion transfer image forming material
This invention provides a color diffusion transfer image forming material comprising a light-sensitive material containing a compound which forms or releases a diffusible dye upon reaction with a...
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5719011 |
Photographic recording material
Compounds of the formula I are suitable as release compounds for photographically useful groups (photographic units). On reacting with nucleophilic reagents, preferably with dinucleophiles, the...
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5719010 |
Treatment method for treating effluents from a photographic development process
The present invention relates to a treatment method for treating effluents from a photographic development process, particularly a redox amplification (RX) development process, which is operated at...
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5571656 |
Multicolor diffusion transfer photographic film elements
There is described a multicolor diffusion transfer film unit having a plurality of different color image components, each of which includes a color-sensitive silver halide emulsion in association...
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5554492 |
Photographic silver halide color material
The invention provides a color photographic material comprising at least one silver halide emulsion layer having associated therewith a dye image-forming coupler and which contains in a layer...
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5411842 |
Method of making a photographic developer solution
A method for making a photographic silver halide developer composition, preferably immediately before use, by electrolysing an aqueous medium containing a developing agent precursor composition...
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5310634 |
Color developing agent and image forming process
A p-phenylenediamine series color developing agent or a precursor thereof having a substituent A at the ortho-position; Substituent A: ##STR1## wherein R 1 represents a hydrogen atom or an alkyl...
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5302498 |
Element and process for photographic developer replenishment
A photographic element including a support bearing at least one photographic silver halide emulsion layer and bearing on the opposite side of the support a layer containing at least one blocked...
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5256525 |
Blocked incorporated developers in a photographic element
A photographic element is disclosed including a support bearing at least one photographic silver halide emulsion layer and at least one non-photosensitive layer between the emulsion layer and the...
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5240821 |
Solid particle dispersion developer precursors for photographic elements
A dispersion comprising solid particles of a developer precursor having the structure CD--(T) m --S in which CD is a silver halide color developer, T is a timing group, m is an integer...
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5210007 |
Image intensification chemistry with blocked incorporated developers
A color photographic element for use with a latent or silver image intensification or amplification method which incorporates a blocked color developing agent. The color photographic element...
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5139919 |
Heat-developable color photographic materials with combination of electron transfer agent and precursor
A heat-developable color photographic material comprising a support having thereon at least a light-sensitive silver halide, a binder, at least one of an electron-donating agent and a precursor...
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5002862 |
Method for processing a silver halide color photographic material with a color developer comprising an aromatic primary amine precursor
A method for processing a silver halide color photographic material is described, comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein after...
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H000830 |
Silver halide color photographic material
A novel silver halide color photographic material containing a desilvering accelerator releasing compound, which comprises at least one light-sensitive silver halide emulsion layer on a support,...
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4888268 |
Silver halide photographic materials comprising blocked photographic reagants releasing plug groups
A silver halide photographic material, which contains at least one blocked photographic reagent having in the molecule thereof at least one group selected from ##STR1## group and capable of...
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4791049 |
Silver halide photographic material containing a compound having an oxidation-reduction moiety and timing group
A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide photographic material contains at least one compound...
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4772537 |
Silver halide photographic materials containing a photographic reagent precursor
A silver halide photographic material which contains at least one blocked photographic reagent having in the molecule thereof at least one ##STR1## structure and capable of releasing a...
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4684604 |
Oxidative release of photographically useful groups from hydrazide compounds
Photographic elements and processes are described which employ a compound containing a hydrazide moiety attached by a linking group, comprising an acidic group or an active methylene group adjacent...
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4618563 |
Photographic light-sensitive material
A silver halide photographic light-sensitive material is described, comprising a support having thereon a light-sensitive silver halide emulsion layer having associated therewith a blocked...
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4560646 |
Protected developing agents
Compounds of the formula ##STR1## wherein L is a direct bond or consists of a chain of carbon atoms or of a divalent ring system, R 1 to R 4 are hydrogen or alkyl, R 5 or R 6 are hydrogen,...
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4537853 |
Photographic silver halide material containing a ballasted electron-donor precursor compound
Photographic silver halide material containing a ballasted electron-donor precursor compound yielding by alkaline hydrolysis an electron-donor compound (ED-compound) capable (1) of donating...
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4493888 |
Silver halide photographic light-sensitive material
A silver halide photographic light-sensitive material containing a diffusion resistant coupler, a light-sensitive silver halide and at least one organic metal complex represented by the following...
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4436810 |
Color-photographic recording material containing non-diffusing electron donor precursor compounds
Compounds corresponding to the formula: ##STR1## wherein Z represents a radical which completes a condensed aromatic ring system; R 1 represents an n-valent aliphatic or aromatic radical; R...
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4420557 |
Color photographic recording material containing a non-diffusible electron donor precursor compound
Compounds corresponding to the formula: ##STR1## wherein R 1 represents an aromatic group, and R 2 represents H, alkyl, alkenyl, aryl or acyl, are suitable ED precursor compounds for use in...
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4410618 |
Blocked photographic reagents
α-Ketoimidomethyl blocked photographic reagents are useful in photographic elements, film units and processes. The blocked photographic reagents have the structure: ##STR1## wherein J represents...
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4407941 |
Photographic element with pyrazole electron donors
A photographic element comprising a support provided thereon with at least one light-sensitive silver halide emulsion layer containing a nondiffusible compound which receives at least one electron...
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4351896 |
Mesoionic silver halide stabilizer precursor and use in a heat developable and heat stabilizable photographic silver halide material and process
Mesoionic 1,2,4-triazolium-3-thiolate silver halide stabilizer precursors are novel compounds useful in a heat developable and heat stabilizable photographic silver halide materials and processes....
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4332878 |
Photographic image-forming method
A photographic image-forming method comprising imagewise exposing a silver halide photographic light-sensitive element containing a specific hydroquinone derivative in the silver halide emulsion...
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4330617 |
Photographic elements containing novel developing agent precursors
The compounds represented by the general formula (I) or (II) as defined in the specification are novel and useful developing agent precursors in silver halide photographic light sensitive materials.
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4310621 |
Photosensitive photographic material, a process for the production of photographic images, development baths and new hydroquinones
New DIR-compounds of the formula ##STR1## are useful in photographic materials and processes.
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4306015 |
Color photographic material
A process for the production of an improved photographic image is provided which comprises imagewise exposing photographic material which comprises on a support base at least one light-sensitive...
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4278750 |
Novel electron donor precursors and photographic elements containing them
Novel electron donor precursors have the structure: ##STR1## where: R is an alkali labile group; Y is an aliphatic or aromatic group; and Z is an electron withdrawing group. The compounds are...
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4263393 |
Novel electron donor precursors and photographic element containing them
Novel electron donor precursors have the structure: ##STR1## wherein: Z represents the atoms to complete a mono-, bi- or tricyclic ring system, each ring of which contains 5 to 6 nuclear atoms; ...
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4226934 |
Light sensitive photographic material containing development inhibitor releasing compounds
A light-sensitive photographic material is provided which comprises, coated on a photobase, at least one silver halide emulsion layer, said emulsion layer or a layer adjacent thereto containing a...
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4063950 |
DIR coupler that forms colorless reaction product
A light-sensitive silver halide photographic material comprising a new development inhibitor releasing type compound and a process for developing thereof.
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4055429 |
Inhibitor barrier layers for photographic materials
A photographic element comprises a support, a silver halide emulsion layer and a layer containing a polymeric scavenger for development inhibitors. The movement of development inhibitor anions from...
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4052213 |
Light-sensitive photographic material
Oxazolinone-2 derivatives having a releasable mercapto group in their 5-position are provided as development-inhibitor-releasing thioether compounds for use in color photographic material having a...
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4046574 |
Color photographic material with homophthalimide thioether development inhibitor
A color photographic material having a silver halide emulsion layer and containing a thioether compound which is reactable on chromogenic development thereby releasing a diffusible substance which...
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3961959 |
Process for developing a light-sensitive silver halide photographic material
A process for developing a light-sensitive silver halide photographic material in the presence of a new development inhibitor releasing type compound which liberates a compound having development...
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3958993 |
Development inhibitor-releasing type compound for photographic use
A silver photosensitive material comprising a development inhibitor-releasing compound of the formula ##EQU1## wherein Z is an atomic group necessary to form a 5 to 7 membered saturated or...
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3928041 |
Development inhibitor yielding compound for silver halide photography
A light-sensitive silver halide photographic material is developed in the presence of a development inhibitor-yielding compound having the formula ##EQU1## wherein X is halogen COOR 2 or, --O--Z,...
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3900322 |
Diffusion transfer color photographic material having developement inhibitor precursor
A diffusion transfer color photographic material having improved color separating power and giving transferred color images having improved density comprising a support having thereon at least two...
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3867153 |
Photohardenable element
An improved photohardenable element is provided which comprises (1) a support, (2) photohardenable layer and (3) a protective cover sheet laminated to the surface of said photohardenable layer. The...
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