Patents for G03C 8 - Diffusion transfer processes or agents therefor; Photosensitive materials for such processes (3,333)
11/1977
11/08/1977US4057425 2-Substituted benzimidazoles in multicolor diffusion transfer
11/01/1977US4056539 Naphthalide indicator dyes
11/01/1977US4056397 Dye diffusion transfer material with graft polymer binding layer
11/01/1977US4056394 Molediffusion transfer
11/01/1977US4056392 Diffusion, color photography
10/1977
10/25/1977US4055428 Colo photography, diffusion transfer silver halide emulsions
10/18/1977US4054722 Acyloxy substituted acrylate timing layers for color diffusion transfer
10/18/1977US4054233 Fluid container for photographic processing material
10/18/1977US4054232 Fluid containers
10/11/1977US4053312 O-sulfonamidonaphthol diffusible dye image providing compounds
10/04/1977US4052214 Color diffusion transfer photographic light-sensitive material for forming both positive transfer dye images and negative dye images
09/1977
09/13/1977US4047955 (Dialkylamino)alkyloxosulfonium alkanesulfonylmethylide silver halide solvent
09/13/1977US4047954 Diffusion transfer photography
09/13/1977US4047953 Photographic films
09/13/1977US4047952 Imagewise soluble silver salt intensification of diffusion transfer silver images
09/13/1977US4047804 Anti-reflection coatings for photographic bases
09/06/1977US4046568 Photography
09/06/1977US4046457 Polymeric film base carrying fluoropolymer anti-reflection coating
08/1977
08/30/1977US4045230 Light-sensitive super-sensitized silver halide color photographic materials
08/30/1977US4045222 Etch bleaching process
08/16/1977US4042396 Fluid receiving trap with air releasing means comprising a processing composition impervious layer
08/16/1977US4042395 Integral film unit with intermediate sheet forming a fluid reservoir with one end portion thereof
08/09/1977US4040830 Photographic products comprising embossed supports
07/1977
07/26/1977US4038082 Image-receiving material for color diffusion transfer comprising pva and polymethylol compounds
07/19/1977US4036863 Intermediates for ph-sensitive phthalide and naphthalide indicator dyes
07/19/1977US4036643 Diffusion transfer color process using lactone or sultone ring containing lipophilic non-diffusing color formers which yield diffusing dyes
07/12/1977US4035401 Intermediates for photographic dyes
07/12/1977US4035391 Indicator dyes
07/05/1977US4033770 Transfer images
06/1977
06/28/1977US4032691 Insulating, porous resin layer and a thermally deformed metal, dye, or resin
06/28/1977US4032545 Phthalides and naphthalides
06/28/1977US4032538 1,3-disulfonylcycloalkane
06/28/1977US4032349 Stain free, color separations
06/21/1977US4030920 Processing compositions containing glycols for color transfer processes comprising direct positive silver halide developement
06/14/1977US4029849 Cover sheets with timing layer comprising cellulose acetate and copolymer of maleic anhydride
06/14/1977US4029504 Photographic image transfer elements containing neutralizing layers comprising particulate materials
06/14/1977US4029503 Diffusible-dye releasing type dyes which couple to form colorless products
06/07/1977US4028103 Processing compositions for color transfer processes comprising alkali metal fluorides and oxalates
05/1977
05/24/1977US4025682 Photographic products
05/24/1977US4025343 Image receiving elements comprising stannic oxide polymers having noble metals reduced thereon
05/03/1977US4021416 Complexing agents for silver ion, addition polymers
05/03/1977US4021241 Diffusion transfer processing solutions with carboxymethyl hydroxyethyl cellulose
04/1977
04/05/1977US4015989 Color light-sensitive material with spontaneously developable silver halide emulsion containing desensitizing dye
03/1977
03/29/1977US4014700 Diffusion transfer photography
03/22/1977US4013635 Cyan azo dye-providing compounds
03/22/1977US4013633 Yellow azopyrazoline dye releasing redox compounds for photographic color transfer
03/08/1977USRE29148 Color photographic diffusion transfer process
03/01/1977US4010168 Naphthalide indicator dyes
02/1977
02/22/1977US4009031 Ammonia solution
02/22/1977US4009030 Timing layer for color transfer assemblages comprising a mixture of cellulose acetate and maleic anhydride copolymer
02/22/1977US4009029 Photography
02/08/1977US4007212 Novel amide compounds
02/01/1977US4006151 Precursors of β-aza-disubstituted amino styryl dyes
02/01/1977US4006150 Increase photographic speed
01/1977
01/18/1977US4003910 Meso-ionic se- and s-containing tetrazoles
01/18/1977US4003744 Photographic products with photosensitive layers of same spectral sensitivity and different speed
01/11/1977US4002477 Diffusion transfer processes and elements using or containing inert transitional metal complex oxidizing agents
01/04/1977US4001278 Indole phthalides and naphthalides
01/04/1977US4001277 3,3-disubstituted phthalides and naphthalides
01/04/1977US4001275 Indicator dyes
01/04/1977US4001204 Magenta image-providing phenylazonaphthyl dues containing a morpholinyl of piperidine radical
12/1976
12/28/1976US3999991 Light sensitive materials; silver halide emulsion layer
12/21/1976US3998640 Photographic film
12/21/1976US3998637 Sulfonamido compound or hydroquinone derivative
12/07/1976US3996050 Dye developers
11/1976
11/30/1976US3994731 Azo dye developers comprising furan rings
11/23/1976US3993661 Quinone methide photograhpic reagent precursors
11/23/1976US3993638 Ballasted p-sulfonamidophenols capable of releasing a non-heterocyclic azo dye
11/23/1976US3993488 Photograhic film assembly comprising light intercepting elements located behind pressure plate
11/23/1976US3993486 Diffusion transfer color photographic flim unit with composite of image-receiving element with light intercepting element
11/09/1976US3990898 Coating with silver halide emulsions
11/09/1976US3990895 Silver halide, color screen elements and their use in forming negative color images and diffusion transfer positive silver images
11/02/1976US3989526 Image formation, photography
11/02/1976US3989521 Production of planographic printing patterns on aluminum sheets using solutions containing dicarboxylic acid compounds
10/1976
10/19/1976US3987221 Converting silver halide in emulsion to silver sulfide
10/19/1976US3986875 Image-receiving element
10/12/1976US3985561 Diffusion transfer process using silver halide emulsions with 90% chloride and high binder to silver halide ratios
10/05/1976US3984245 Photographic sensitive materials
09/1976
09/28/1976US3983137 Process for preparing 3-(indol-3-yl)-dehydronaphthalide hydrochlorides
09/28/1976US3982946 Bis-azo pyrazolone type dye developer and light-sensitive material
09/14/1976US3980479 Positive-working immobile photographic compounds which cleave by intramolecular nucleophilic displacement in alkali unless oxidized
08/1976
08/31/1976US3977877 Film unit comprising an image receiving element and light intercepting element attached together along at least one edge thereof
08/24/1976US3976817 Method of preparing diffusion transfer image-receiving materials
08/24/1976US3976662 1:1 Adducts of 1-naphthol and (Na)phthalaldehydic acid
08/24/1976US3976659 Indicators
08/24/1976US3976490 Removable antiblocking top coat
08/24/1976US3976489 Silver halide photographic products with semiconductor sensitizers
08/24/1976US3976486 Diffusion transfer color products and processes with substituted halide silver halide emulsions
08/17/1976US3975423 Photographic silver halide solvents
08/10/1976US3973963 Photographic support comprising polymerized propylene, talc, titanium dioxide, elastomer and antioxidant
07/1976
07/20/1976US3970616 Synthesis of chrome-complexed dye developers in the presence of weakly basic anion exchange resins
07/20/1976US3970458 Photography
07/13/1976US3969541 Diffusion transfer image receptive materials
07/13/1976US3969120 Photographic multicolor screen element and method for making same
06/1976
06/29/1976US3967292 Film assembly including a hermetically sealed battery
06/15/1976US3963496 Auto-process film unit with removable folded sheet between negative and positive elements
06/15/1976US3963495 Image-receiving element for silver salt diffusion transfer with layer of monoacrylates or monomethacrylates of polyhydric alcohols
06/08/1976US3962527 Novel polymers and photographic elements containing same
06/01/1976US3960569 Diffusion transfer color film unit with hydroxy substituted alkylene amino development accelerators
06/01/1976US3960558 Dye free, spectrally sensitive silver halide layers in diffusion transfer films
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