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6952294 |
Method of reading an image, method of forming a color image, device for forming a color image, silver halide color photosensitive material, and a device for processing a photosensitive material
The present invention relates to a method of reading an image, which comprises exposing a color photosensitive material having at least three photosensitive layers containing blue-, green- and...
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6541177 |
Diffusion transfer photographic film unit
A self-developing diffusion transfer photographic film unit which includes a latent image which becomes visible upon photographic processing of the film unit. The latent image is formed with a...
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6441444 |
Semiconductor device having a nitride barrier for preventing formation of structural defects
Providing a method of producing a semiconductor device and a structure of the semiconductor device employing a trench isolation structure for isolating semiconductor elements wherein volumetric...
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5747219 |
Image-receiving elements
There are described novel image-receiving elements for use in diffusion transfer photographic systems. The novel image-receiving elements include a layer capable of reducing the light-absorbing...
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5725990 |
Image formation method
An image formation method comprising imagewise exposing a silver halide light-sensitive material comprising a support having thereon a light-sensitive silver halide, a binder, a slightly water...
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5624783 |
Imaging element for making a lithographic printing plate
The present invention provides an imaging element comprising on one side of a support a photosensitive layer comprising a silver halide emulsion and an image receiving layer containing physical...
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5578425 |
Disposable element for cleaning radiographic film processing solutions
An element for cleaning processing solutions contained in a radiographic film processor is disclosed. The element is comprised of a transparent film support and hydrophilic colloid layers coated on...
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5264322 |
Sulfonated xanthene dyes, and photographic products and processes employing these dyes
Xanthene derivatives having cations of the formula: ##STR1## in which X is an --SO 2 --N(R 6 )--COR 7 or --SO 2 --N(R 6 --CO 2 (CH 2 ) 2 Y grouping, wherein R 6 is an alkyl group containing...
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4891298 |
Photographic products and processes
This invention relates to diffusion transfer photographic processes adapted to be performed in the presence of ambient light and to diffusion transfer products useful in such processes wherein a...
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4886733 |
Photographic products and processes
This invention relates to diffusion transfer photographic processes adapted to be performed in the presence of ambient light and to diffusion transfer products useful in such processes wherein...
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4777112 |
Polyoxyalkylene overcoats for image-receiving elements
Diffusion transfer films and processes are disclosed wherein the processing composition includes a light reflecting pigment and an optical filter agent, and the image-receiving layer carries an...
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4701388 |
Instant film unit with coloring means
A peel-apart instant film unit including two separate sheets comprising a photosensitive sheet and an image-receiving sheet, has a coloring member provided on one end of the photosensitive sheet so...
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4654293 |
Diffusion transfer film unit with pH sensitive filter backing layer
The present invention is directed to a color diffusion transfer film unit comprising a transparent support carrying on a first side at least a first photosensitive silver halide emulsion layer...
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4615966 |
Color transfer photographic processes and products with indole phthalein filter dyes
This invention relates to diffusion transfer photographic processes adapted to be performed in the presence of ambient light and to diffusion transfer products useful in such processes wherein...
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4546062 |
Polymeric pH-sensitive optical filter agents and articles including same
Polymeric optical filter agents and products and processes using same are disclosed. The polymeric optical filter agents are pH-sensitive materials comprising a polymeric backbone having a...
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4452878 |
Quaternary nitrogen-containing polymers and articles including same
A class of quaternary nitrogen-containing polymeric materials, which upon contact with alkali provide substantial light-absorbing or opacifying properties, is disclosed. The polymeric materials...
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4379829 |
Photographic material containing a temporary barrier layer applied from an organic solution
A color photographic material for the dye diffusion transfer process contains a temporary barrier layer that is applied from organic solution and consists of a mixture of (a) 40 to 95% by weight...
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4367277 |
Diffusion transfer product and process
Diffusion transfer films and processes are disclosed wherein the processing composition includes a light-reflecting pigment and an optical filter agent, and the image-receiving layer carries over...
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4345017 |
Photographic products and processes with a pH sensitive xanthene light screening dye
The present invention is concerned with photographic products and processes employing certain pH-sensitive xanthene compounds as light-screening dyes, which compounds may be represented by the...
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4316950 |
Novel xanthene compounds and photographic products and processes employing the same
In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein each R 1 the same or different is hydrogen or alkyl, each R 2 the same or...
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4304834 |
Novel xanthene compounds and photographic products and processes employing the same
In one embodiment, the present invention is concerned with novel xanthene compounds selected from those of the formulae ##STR1## wherein each R 1 the same or different is alkyl, each R 2 the same...
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4304833 |
Photographic products and processes employing triarylmethane compounds
The present invention is concerned with photographic products and processes, particularly diffusion transfer products and processes employing certain colored triarylmethane compounds possessing in...
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4298674 |
Color transfer film and process
Diffusion transfer films and processes are disclosed wherein the processing composition includes a light-reflecting pigment and a pH-sensitive optical filter agent, and the image-receiving element...
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4294907 |
Image-receiving elements
Diffusion transfer films and processes are disclosed wherein the processing composition includes a light-reflecting pigment and an optical filter agent, and the image-receiving layer carries over...
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4290955 |
3,6-Di(alkyl/phenyl)amino-9-carboxamidophenyl-xanthenes
In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein each R 1 the same or different is hydrogen or alkyl, each R 2 the same or...
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4290951 |
3,6-Di(N-indolinyl)-9-sulfonamidophenyl-xanthenes
In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein X is ##STR2## wherein R' is alkyl; Y is an electron-withdrawing group and A is an...
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4290950 |
Sulfo-substituted-3,6-di(N-indolinyl)-9-sulfonamidophenyl-xanthenes
In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein X is ##STR2## wherein R' is alkyl, Y is an electron-withdrawing group and n is 0...
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4269925 |
Polymeric optical filter agents and photographic products and processes containing same
Polymeric optical filter agents and photographic products and processes using same are disclosed. The polymeric optical filter agents are pH-sensitive optical filter agents comprising polymeric...
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4258118 |
Novel xanthene compounds and photographic products and processes employing the same
In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein R' is alkyl; Y is an electron-withdrawing group and A is an anion. In another...
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4140689 |
3-(Julolidinyl)-benz[d]isothiazole-1,1-dioxide
This invention relates to 3-(julolidinyl)-benz[d]-isothiazole-1,1-dioxide useful as an intermediate in the synthesis of certain 3,3-disubstituted-2,3-dihydrobenz[d]-isothiazole-1,1-dioxide
dyes...
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4139381 |
Photographic products and processes employing pH sensitive filter dyes
This invention is concerned with photographic products, particularly diffusion transfer photographic film units, useful in photographic processes conducted outside of a camera wherein post-exposure...
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4081275 |
Photographic film units containing colorless para-nitrobenzylidene dye-forming compounds
A photographic film unit comprises a support having coated thereon at least one photosensitive silver halide emulsion, said layer having associated therewith a dye image-providing material, a dye...
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4056539 |
Naphthalide indicator dyes
This invention relates to indole (na) phthalide indicator dyes substituted with a particular class of hydrogen bonding groups, such as, perhaloalkyl carbinols. These dyes are useful as optical...
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3933854 |
3-(Indol-3-yl)dehydronaphthalide hydrochlorides
This invention is concerned with a novel class of protonated compounds, namely, 3-(indol-3-yl)dehydronaphthalide hydrochlorides, with their synthesis by the reaction of a 3-(indol-3-yl)naphthalide...
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3929829 |
PH sensitive dyes containing a phenolate group
This invention relates to a new class of pH sensitive indicator dyes useful as optical filter agents in photographic processes to protect a selectively exposed photosensitive material from further...
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3816124 |
PHOTOGRAPHIC PROCESSES AND PRODUCTS EMPLOYING MIXED INDOLE/PHENOL PHTHALEINS AS OPTICAL FILTER AGENTS
This invention relates to a class of indicator dyes useful as optical filter agents in photographic processes to protect a selectively exposed photosensitive material from further exposure during...
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3816120 |
PHOTOGRAPHIC PROCESSES AND PRODUCTS EMPLOYING MIXED INDOLE CARBAZOLE PHTHALEINS AS OPTICAL FILTER AGENTS
This invention relates to a class of phthalein indicator dyes useful as optical filter agents in photographic processes to protect a selectively exposed photosensitive material from further...
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3816119 |
PHOTOGRAPHIC PROCESSES AND PRODUCTS EMPLOYING CARBAZOLE PHTHALEINS AS OPTICAL FILTER AGENTS
This invention relates to a new class of indicator dyes useful as optical filter agents in photographic processes to protect a selectively exposed photosensitive material from further exposure...
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3811881 |
PHOTOGRAPHIC PROCESSES AND PRODUCTS EMPLOYING NAPHTHOL SULFONAMIDONAPHTHALIDES AS OPTICAL FILTER AGENTS
This invention relates to a class of indicator dyes useful as optical filter agents in photographic processes to protect a selectively exposed photosensitive material from further exposure during...
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3779754 |
PHOTOGRAPHIC PROCESSES AND PRODUCTS EMPLOYING 5-HYDROXY-4-AZAPHENANTHRENYL PHTHALEINS AS OPTICAL FILTER AGENTS
This invention relates to a class of phthalein indicator dyes useful as optical filter agents in photographic processes to protect a selectively exposed photosensitive material from further...
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3779753 |
PHOTOGRAPHIC PROCESSES AND PRODUCTS EMPLOYING AMINOMETHYL-SUBSTITUTED PHENOLIC PHTHALEINS AS OPTICAL FILTER AGENTS
This invention relates to a class of phthalein indicator dyes useful as optical filter agents in photographic processes to protect a selectively exposed photosensitive material from further...
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3772026 |
COLORLESS PRECURSOR OF ALKYL VIOLOGEN AS FILTER AGENT IN PHOTOGRAPHIC FILM
The present invention is directed to a photographic film unit adapted to provide, by diffusion transfer processing, selective dye image recordation of incident actinic radiation as a function of...
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3647437 |
PHOTOGRAPHIC PRODUCTS, PROCESSES AND COMPOSITIONS
Photographic films and particularly film units for performing diffusion transfer processes, are disclosed which may be processed outside of a camera. A light-absorbing reagent is employed to...
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3794485 |
Title is not available
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3782937 |
Title is not available
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3734727 |
Title is not available
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3726675 |
Title is not available
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3702245 |
Title is not available
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3702244 |
Title is not available
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