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4124386 |
Color diffusion transfer receiving layer comprising polymeric quaternary n-heterocyclic mordant
An image-receiving layer of an image-receiving element used for a color diffusion transfer process comprising a dyeable polymer or mordant polymer having the structural unit represented by the...
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4124388 |
Ammonium mordants for photographic dyes
Photographic film units and photographic products using an acetal of a hydroxylated polymer and a formyl benzyl quaternary salt(s) as a mordant for diffusible dye image-providing materials.
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4115618 |
Novel protective plastomeric sheet for identification card
A protective plastomeric sheet material for lamination to an image containing layer of a diffusion transfer photographic product.
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4080346 |
Novel graft copolymers having vinylbenzyl ammonium halide residues
Novel graft polymers particularly useful as diffusion transfer image dye mordants.
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4071366 |
Polymeric quaternary dye image receiving layers with overcoat
Improved diffusion transfer photographic products and processes wherein a distinctive image-receiving sheet comprising a plurality of layers one of which comprises a polymeric material providing...
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4047952 |
Imagewise soluble silver salt intensification of diffusion transfer silver images
The use of a soluble, reducible silver salt in combination with an imagewise exposed diffusion transfer photographic element comprising a negative silver halide emulsion and an associated physical...
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4038082 |
Image-receiving material for color diffusion transfer comprising PVA and polymethylol compounds
An image-receiving element for color diffusion transfer photography for use with a photographic element containing at least one silver halide emulsion layer having incorporated therein a dye image...
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4009031 |
Diffusion transfer image-receiving element having polyvinylpyridine layer treated with hydrophilic colloid/ammonia solution
Coating a solution comprising a hydrophilic colloid and ammonia over a receiving layer comprising polyvinylpyridine in an image-receiving element of a photographic film unit significantly reduces...
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3993486 |
Diffusion transfer color photographic flim unit with composite of image-receiving element with light intercepting element
A diffusion transfer color photographic film unit, (a) which contains: 1. a light-sensitive element comprising a support having thereon at least one light-sensitive silver halide emulsion layer...
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3986875 |
Polymeric ammonium mordants for dye transfer
An image-receiving element for use in a color diffusion transfer process which comprises a support having thereon an image-receiving layer containing a mordanting polymer having therein a repeating...
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3984472 |
Preparation of N,N-dialkyl p-vinyl anilines
A process of forming a dye mordant precursor for a photographic system by reacting a p-amino phenethyl alcohol with a trialkyl phosphate at a controlled temperature, and dehydrating the resultant...
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3958995 |
Photographic elements containing cross-linked mordants and processes of preparing said elements
A process for preparing photographic elements comprising a support, a layer containing an acid dye or acid dye precursor and a layer containing a dye mordant composition, said process comprising...
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3930864 |
Auxiliary mordant layer for excess dye formed in integral color transfer assemblage
Excessive image density produced during or after processing by dye diffusing from the image generating unit into the dye image-receiving layer of an integral color transfer assemblage is controlled...
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3898088 |
Photographic elements containing polymeric mordants
A water-insoluble polymer comprising repeating units at least 1/3 of said repeating units having the formula: ##SPC1## Wherein R 1 and R 2 are hydrogen or alkyl and R 3 , R 4 and R 5 are alkyl...
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3859096 |
CROSSLINKING POLYMERIC DYE MORDANTS
A dye mordant composition comprises the reaction product of (1) a vinyl copolymer derived from ethylenically unsaturated monomers comprising first and second repeating units wherein at least one...
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3836365 |
NOVEL PHOTOGRAPHIC PRODUCTS AND PROCESSES
The present invention relates to photography, particularly, to photographic products specifically adapted for employment in specified photographic diffusion transfer color processes and, more...
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3770439 |
POLYMERIC MORDANT IN COLOR DIFFUSION TRANSFER IMAGE RECEIVING LAYER
A photographic product having an image pattern receiving layer which comprises a polymer of the formula: ##SPC1## Where each R 1 can be the same or different substituent chosen from the group...
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3753764 |
PHOTOGRAPHIC DIFFUSION TRANSFER PRODUCT AND PROCESS
A receiving sheet for use in a diffusion transfer process comprises a polyolefin surface such as polyethylene over which is coated a cellulose ester layer such as cellulose triacetate, an acid...
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3721558 |
MORDANT VEHICLE FOR COLOR IMAGE TRANSFER RECEIVERS
The use of a hydrophobic, alkali-permeable polymer as a binder for a dye mordant in a dye image-receiving layer employed in color diffusion transfer systems results in less stain than conventional...
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3721556 |
DIFFUSION TRANSFER RECEPTION ELEMENTS, FILM UNITS AND PROCESSES THEREFOR
A dye image-receiving element comprising a light-reflecting layer underneath a dye image-receiving layer, each of the layers containing a basic polymeric mordant, is useful in color development...
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3709690 |
NOVEL POLYMERS AND PHOTOGRAPHIC ELEMENTS CONTAINING SAME
Polymers comprising quaternary nitrogen atoms and at least two aromatic nuclei in the polymer cation for each quaternary nitrogen atom are described. In one embodiment at least one-third of the...
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3709693 |
NOVEL PHOTOGRAPHIC PRODUCTS AND PROCESSES UTILIZING MULTICOLOR ADDITIVE SCREENS WHOSE FILTER UNITS ARE FORMED OF DEVELOPMENT-DIFFUSIBLE DYES
A color image is formed by exposing a photosensitive element having associated therewith an additive color screen, preferably a trichromatic color screen, composed of red, green and blue filter...
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3590692 |
SILVER HALIDE DEVELOPING AGENTS AND PHOTOGRAPHIC PROCESS
Photographic process and product employing silver halide developing agents of quaternary ammonium compounds of the formula: DEV--LINK--QUAT wherein DEV is a dihydroxyaryl silver halide developing...
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3511655 |
LAMINATIONS
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3488706 |
NOVEL POLYMERS CONTAINING QUATERNARY AMMONIUM GROUPS
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3460941 |
NOVEL PHOTOGRAPHIC PRODUCTS AND PROCESSES
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3435761 |
PREMORDANTED IMBIBITION DYE PRINTING BLANK
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3418117 |
Multicolor dye developer image transfer systems
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3388994 |
Photographic image-receiving elements having been treated with ammonia after drying
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3386825 |
Photographic product containing zinc
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3382214 |
Vinyl pyridine copolymers comprising segments having hydroxy substituents thereon and a process for their preparation
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3377166 |
Photographic image transfer process utilizing imidazole
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3362822 |
Film formation in silver and color diffusion transfer processes
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3359104 |
Color diffusion transfer process and negative material thereof
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3353956 |
Photographic diffusion transfer processes utilizing an imidazole and an image-receiving element containing a polymeric acid layer
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3352679 |
Photographic element comprising polycarbonate resin coated paper
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3351470 |
Novel photographic products, processes and compositions
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3340806 |
Premordanted imbibition dye printing blank
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3316090 |
Photographic product and process
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3316089 |
Photographic products and processes utilizing cross-linking agents containing intralinear quaternary nitrogen atoms
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3312549 |
Receiving sheet for photographic dyes
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3291604 |
Process for creating and subsequently transferring an ionic photochromic image
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3271147 |
Coacervate mordant dispersions for acid dyes
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3271148 |
Mordanting of acid dyes
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3249393 |
Process of dyeing polymeric film
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3245791 |
Photographic transfer process and composition
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3243294 |
Photographic direct-positive color process
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3234025 |
Prevention of dye-diffusion in photographic image bearing colloid layers
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3222168 |
Diffusion transfer process
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3184309 |
Non-light sensitive dye transfer receiving blanks and method of using them
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