Patents for G03C 8 - Diffusion transfer processes or agents therefor; Photosensitive materials for such processes (3,333)
04/1979
04/10/1979US4148651 Instant processing film unit having internal dark slide
04/10/1979US4148650 Instant processing film unit with internal dark slide and light seal
04/10/1979US4148648 Antistaining agents, color photography
04/10/1979US4148643 Photographic products and processes employing nondiffusible azo dye-releasing compounds
04/10/1979US4148642 Photographic products and processes employing nondiffusible 1-arylazo-4-isoquinolinol dye-releasing compounds
04/10/1979US4148641 Diffusion transfer
04/04/1979EP0001352A1 Self-processing film unit having an internal dark slide
04/04/1979EP0001290A1 Substituted 2,3-dihydrobenz-(d)-isothiazole-1,1-dioxides and 2,3-dihydronaphtho-(1,8-de)-1,2-thiazine-1,1-dioxides
04/03/1979US4147862 Method of preparing styryl-like compounds
04/03/1979US4147548 Photographic element comprising quaternary nitrogen polymeric mordant
04/03/1979US4147544 Photographic products and processes employing novel nondiffusible pyridylazonaphthol dye-releasing compounds
04/03/1979US4147543 Developer compositions for high contrast diffusion transfer photographic materials and process therefor
03/1979
03/20/1979USRE29942 Processing compositions for color transfer processes comprising alkali metal fluorides
03/20/1979US4145133 Film assemblage of the self-developing type together with apparatus for processing thereof
03/13/1979US4144065 Polysilicates in photographic products and processes
03/13/1979US4144064 Halftone images
03/13/1979US4144063 Treatment with ammonia or an organic amine
03/06/1979US4142899 Silver halide photosensitive element, image receiving layer containing copolymer with a quaternary ammonium monomer and a fluorine containing monomer
03/06/1979US4142891 Photographic products and processes employing nondiffusible azo dye-releasing compounds
02/1979
02/27/1979CA1049676A1 Photographic elements containing cross-linked mordants and processes of preparing said elements
02/20/1979US4140689 Intermediate for photographic optical filter agents
02/13/1979US4139389 Color photography
02/13/1979US4139383 Dye diffusion transfer employing pyridine azo dye
02/13/1979US4139382 Motion picture film
02/13/1979US4139381 Diffusion transfer, antifogging agents
02/13/1979US4139379 Photographic elements containing ballasted electron-accepting nucleophilic displacement compounds
02/07/1979EP0000511A1 Photographic colour diffusion transfer process
02/07/1979EP0000469A1 Film cartridge and apparatus for processing the self-developing film strip contained therein
02/06/1979US4138264 Silver halide emulsion containing two equivalent type coupler for use in photography
02/06/1979US4138260 Photographic film unit with crosslinked neutralization layer
02/06/1979US4138254 Photographic products comprising anti-light piping dyes
02/06/1979CA1047821A1 Azo magenta dye-providing compounds
02/06/1979CA1047820A1 Photographic elements containing iodoso compounds or iodoxy compounds
01/1979
01/30/1979US4137194 Capsular products
01/30/1979CA1047296A1 Production of adhesive transfers
01/23/1979US4135929 Photographic sulfonamido compounds and elements and processes using them
01/23/1979CA1047030A1 Yellow azopyrazolone dye releasing redox compounds for photographic color transfer
01/23/1979CA1046822A1 Photographic cassette with opening for removably inserting battery
01/16/1979US4134768 Photographic uses of polyvinyl-phenylmercapto-tetrazoles
12/1978
12/26/1978US4131469 Photographic element with polymeric ammonium mordant
12/20/1978EP0000081A1 Etch bleaching liquid.
12/12/1978US4129445 Metal image formation process
12/12/1978CA1044066A1 Scavenger for integral color transfer assemblage
12/05/1978US4128538 Crosslinking polymeric dye mordant composition reaction product of bisalkane or bisarene sulfonate and vinyl polymer
12/05/1978US4128425 Pyrazolidinone derivatives
11/1978
11/21/1978US4126465 Film pack with means for urging positive and negative sheets together
11/21/1978US4126464 Low temperature adhesives for photographic materials
11/21/1978US4126459 Complexing agent for use in photography
11/07/1978US4124394 Color diffusion transfer photographic materials with sulfone color developing agent scavengers
11/07/1978US4124393 Shifted anthraquinone dye developing agents
11/07/1978US4124388 Formyl benzyl quaternary ammonium salt
11/07/1978US4124386 Color diffusion transfer receiving layer comprising polymeric quaternary n-heterocyclic mordant
11/07/1978US4124383 Diffusion transfer color products and processes employing silver halide grains comprising iodide
11/07/1978CA1041820A1 Film unit with folded intermediate sheet forming fluid reservoir
10/1978
10/31/1978US4123330 Color diffusion transfer process using benzyl alcohol and derivatives thereof
10/31/1978US4123275 Color diffusion transfer photographic materials with vinyl copolymer neutralization rate controlling layer
10/31/1978CA1041340A1 Embossed film unit fluid receiving trap
10/24/1978US4121939 Color photographic light-sensitive material containing +-alkyl substituted hydroquinone
10/24/1978CA1040916A1 Photographic products
10/10/1978CA1039996A1 Photographic products and processes
10/10/1978CA1039995A1 Process for producing positive color diffusion transfer images
09/1978
09/19/1978US4115124 With polyvinylimidazole
09/19/1978US4115117 Color diffusion transfer process employing phosphoramides
09/12/1978US4113493 Amorphous polyester adhesives for photographic materials
09/12/1978US4113488 Phenolic compound and synergistic sulfide or sulfoxide
08/1978
08/29/1978US4110355 Anthraquinone compounds useful in photographic processes
08/29/1978US4110113 Sulfonamido dye releaser in photographic dye diffusion transfer
08/22/1978US4108850 Positive-working immobile photographic azo compounds
08/22/1978CA1036858A1 Photographic silver halide emulsion
08/22/1978CA1036857A1 Photographic products and processes
08/15/1978US4107176 Mono-N-tosylsulfimides, their preparation and their reaction products
08/01/1978US4104269 Methoxymethoxy protected intermediates for photographic dyes
08/01/1978US4104068 High speed color photography
07/1978
07/25/1978US4102685 Photographic uses of polyvinylphenylmercapto-tetrazole:multivalent metal cation combinations
07/11/1978US4099972 Dye image forming process using shifted azo dye developer
07/04/1978US4098783 Dye substituted cyclic 1,3-sulfur-nitrogen compounds as dye image-forming materials in photography
06/1978
06/27/1978US4097282 Anionic imino-containing polymeric adhesives for photographic materials
06/06/1978US4093493 Apparatus for forming a photographic pod-tape product
05/1978
05/30/1978US4092167 Diffusion transfer film
05/16/1978US4089866 Colorless dye precursors
05/09/1978US4088499 Selectively permeable layers for diffusion transfer film units
05/09/1978US4088493 Diffusion retarding layers comprising polymers of dimethoxyethylene
05/09/1978US4088488 Photographic elements containing nitroxyl radical oxidants
05/09/1978US4088487 Silver halide emulsions
03/1978
03/28/1978US4081275 Photographic film units containing colorless para-nitrobenzylidene dye-forming compounds
03/21/1978US4080346 Diffusion transfer image dye mordants
03/21/1978US4080207 Radiation-sensitive compositions and photographic elements containing N-(acylhydrazinophenyl) thioamide nucleating agents
03/21/1978US4080206 Photographic processing composition containing polyvinyl aminimide
02/1978
02/28/1978US4076529 Photographic diffusion transfer films, processes and compositions with color moiety releasing compound
02/14/1978US4073781 Method of production of azo dyes from a quinone containing compound and a diazonium compound
02/07/1978US4072972 Photographic film cassette
01/1978
01/31/1978US4071366 Quatenary nitrogen groups
01/17/1978US4069048 N-a-sulfoalkylated amino acids
01/03/1978US4066814 Polyesters, anti-reflection, fluorinated polymer isocyanates
01/03/1978US4066457 P-phenylenediamine derivatives
12/1977
12/06/1977US4061654 Phthalocyanines, dye developers
12/06/1977US4061497 Catalytic activation of cobalt complex imaging by cobalt
12/06/1977US4061496 Combination of two timing layers for photographic products
11/1977
11/29/1977US4060418 Phenoxy carbonyl derivatives of a paraphenylenediamine color developer and their use in an image-receiving sheet for color diffusion transfer
11/29/1977US4060417 Diffusion transfer elements comprising color-providing compounds capable of cleavage upon reaction with silver ions and silver ion barrier layers
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