DE1199612B - Verfahren zur Stabilisierung photographischer Halogensilber-Emulsionen - Google Patents
Verfahren zur Stabilisierung photographischer Halogensilber-EmulsionenInfo
- Publication number
- DE1199612B DE1199612B DEA45411A DEA0045411A DE1199612B DE 1199612 B DE1199612 B DE 1199612B DE A45411 A DEA45411 A DE A45411A DE A0045411 A DEA0045411 A DE A0045411A DE 1199612 B DE1199612 B DE 1199612B
- Authority
- DE
- Germany
- Prior art keywords
- emulsions
- silver halide
- emulsion
- acid
- nuclei
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000839 emulsion Substances 0.000 title claims description 34
- -1 silver halide Chemical class 0.000 title claims description 20
- 229910052709 silver Inorganic materials 0.000 title claims description 16
- 239000004332 silver Substances 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims description 12
- 230000000087 stabilizing effect Effects 0.000 title claims description 4
- 238000003860 storage Methods 0.000 claims description 10
- UIMIQJVANYZMKL-UHFFFAOYSA-N n-phenylacetohydrazide Chemical compound CC(=O)N(N)C1=CC=CC=C1 UIMIQJVANYZMKL-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 claims 1
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 229930195734 saturated hydrocarbon Natural products 0.000 claims 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 description 8
- 229920000159 gelatin Polymers 0.000 description 7
- 235000019322 gelatine Nutrition 0.000 description 7
- 108010010803 Gelatin Proteins 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- 238000007792 addition Methods 0.000 description 6
- 239000008273 gelatin Substances 0.000 description 6
- 235000011852 gelatine desserts Nutrition 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 229910052736 halogen Inorganic materials 0.000 description 5
- 150000002367 halogens Chemical class 0.000 description 5
- 150000002429 hydrazines Chemical class 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- JUTMSBPKIXTSNZ-UHFFFAOYSA-N 2-methyl-n-phenylpropanehydrazide Chemical compound CC(C)C(=O)N(N)C1=CC=CC=C1 JUTMSBPKIXTSNZ-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- LUMLZKVIXLWTCI-NSCUHMNNSA-N (e)-2,3-dichloro-4-oxobut-2-enoic acid Chemical compound OC(=O)C(\Cl)=C(/Cl)C=O LUMLZKVIXLWTCI-NSCUHMNNSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical class NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229940042795 hydrazides for tuberculosis treatment Drugs 0.000 description 2
- ZAKLKBFCSHJIRI-UHFFFAOYSA-N mucochloric acid Natural products OC1OC(=O)C(Cl)=C1Cl ZAKLKBFCSHJIRI-UHFFFAOYSA-N 0.000 description 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 2
- 238000004382 potting Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- 239000000080 wetting agent Substances 0.000 description 2
- SJJCQDRGABAVBB-UHFFFAOYSA-N 1-hydroxy-2-naphthoic acid Chemical compound C1=CC=CC2=C(O)C(C(=O)O)=CC=C21 SJJCQDRGABAVBB-UHFFFAOYSA-N 0.000 description 1
- KJUGUADJHNHALS-UHFFFAOYSA-N 1H-tetrazole Substances C=1N=NNN=1 KJUGUADJHNHALS-UHFFFAOYSA-N 0.000 description 1
- JKFYKCYQEWQPTM-UHFFFAOYSA-N 2-azaniumyl-2-(4-fluorophenyl)acetate Chemical compound OC(=O)C(N)C1=CC=C(F)C=C1 JKFYKCYQEWQPTM-UHFFFAOYSA-N 0.000 description 1
- RLZCTRZKEDXPHT-UHFFFAOYSA-N 2-methyl-N-phenylprop-2-enehydrazide Chemical compound C(C(=C)C)(=O)N(C1=CC=CC=C1)N RLZCTRZKEDXPHT-UHFFFAOYSA-N 0.000 description 1
- XTXMTJJFYMPQSD-UHFFFAOYSA-N 5-(2,2-diphenylhydrazinyl)-5-oxopentanoic acid Chemical compound C1(=CC=CC=C1)N(NC(CCCC(=O)O)=O)C1=CC=CC=C1 XTXMTJJFYMPQSD-UHFFFAOYSA-N 0.000 description 1
- OOPQSDNLDOYGRA-UHFFFAOYSA-N 6-(2,2-diphenylhydrazinyl)-6-oxohexanoic acid Chemical compound C1(=CC=CC=C1)N(NC(CCCCC(=O)O)=O)C1=CC=CC=C1 OOPQSDNLDOYGRA-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 241001479434 Agfa Species 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910020366 ClO 4 Inorganic materials 0.000 description 1
- 239000001828 Gelatine Substances 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 229910021612 Silver iodide Inorganic materials 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical class [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- RFNKBMLSKWPQSP-UHFFFAOYSA-N [Ag].[I].[Br] Chemical compound [Ag].[I].[Br] RFNKBMLSKWPQSP-UHFFFAOYSA-N 0.000 description 1
- 239000000783 alginic acid Substances 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 229960001126 alginic acid Drugs 0.000 description 1
- 150000004781 alginic acids Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000003931 anilides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002731 mercury compounds Chemical class 0.000 description 1
- HXAKXFPOKDRNCQ-UHFFFAOYSA-N n'-phenylpropanehydrazide Chemical compound CCC(=O)NNC1=CC=CC=C1 HXAKXFPOKDRNCQ-UHFFFAOYSA-N 0.000 description 1
- VNRZVRUGWGANAN-UHFFFAOYSA-N n-(4-methylphenyl)acetohydrazide Chemical compound CC(=O)N(N)C1=CC=C(C)C=C1 VNRZVRUGWGANAN-UHFFFAOYSA-N 0.000 description 1
- QWOSOZMDGKDUJJ-UHFFFAOYSA-N n-phenylbutanehydrazide Chemical compound CCCC(=O)N(N)C1=CC=CC=C1 QWOSOZMDGKDUJJ-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 150000004714 phosphonium salts Chemical class 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229940045105 silver iodide Drugs 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 1
- 150000003536 tetrazoles Chemical class 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/061—Hydrazine compounds
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA45411A DE1199612B (de) | 1964-03-05 | 1964-03-05 | Verfahren zur Stabilisierung photographischer Halogensilber-Emulsionen |
| US435067A US3386831A (en) | 1964-03-05 | 1965-02-24 | Stabilizing of photographic silver halide emulsions with acyl phenyl hydrazides |
| GB9248/65A GB1073546A (en) | 1964-03-05 | 1965-03-04 | Stabilisation of photographic silver halide emulsions |
| FR8195A FR1426573A (fr) | 1964-03-05 | 1965-03-05 | Stabilisation d'émulsions photographiques d'halogénure d'argent |
| BE660667D BE660667A (enrdf_load_stackoverflow) | 1964-03-05 | 1965-03-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA45411A DE1199612B (de) | 1964-03-05 | 1964-03-05 | Verfahren zur Stabilisierung photographischer Halogensilber-Emulsionen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1199612B true DE1199612B (de) | 1965-08-26 |
Family
ID=6934709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEA45411A Pending DE1199612B (de) | 1964-03-05 | 1964-03-05 | Verfahren zur Stabilisierung photographischer Halogensilber-Emulsionen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3386831A (enrdf_load_stackoverflow) |
| BE (1) | BE660667A (enrdf_load_stackoverflow) |
| DE (1) | DE1199612B (enrdf_load_stackoverflow) |
| FR (1) | FR1426573A (enrdf_load_stackoverflow) |
| GB (1) | GB1073546A (enrdf_load_stackoverflow) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2757110A1 (de) * | 1976-12-21 | 1978-06-22 | Fuji Photo Film Co Ltd | Verfahren zur herstellung von kontrastreichen bildern |
| DE2758762A1 (de) * | 1976-12-30 | 1978-07-06 | Fuji Photo Film Co Ltd | Photographisches negativbild-silberhalogenidmaterial |
| DE2758753A1 (de) * | 1977-05-06 | 1978-11-16 | Fuji Photo Film Co Ltd | Verfahren zur ausbildung von photographischen bildern mit hohem kontrast |
| DE2758898A1 (de) * | 1977-08-30 | 1979-03-15 | Fuji Photo Film Co Ltd | Verfahren zur entwicklung photographischer lichtempfindlicher silberhalogenidmaterialien |
| DE2758765A1 (de) * | 1977-09-06 | 1979-03-15 | Fuji Photo Film Co Ltd | Verfahren zur erzeugung von kontrastreichen photographischen bildern |
| DE4042595C2 (de) * | 1988-08-27 | 1996-06-13 | Du Pont Deutschland | Arylhydrazide |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1560005A (en) * | 1976-08-11 | 1980-01-30 | Fuji Photo Film Co Ltd | Silver halide photographic emulsions |
| JPS589411B2 (ja) * | 1976-10-18 | 1983-02-21 | 富士写真フイルム株式会社 | 硬調写真感光材料 |
| US4272606A (en) * | 1978-05-05 | 1981-06-09 | Fuji Photo Film Co., Ltd. | Method of forming a high-contrast photographic image |
| US4650746A (en) * | 1978-09-22 | 1987-03-17 | Eastman Kodak Company | High contrast photographic emulsions and elements and processes for their development |
| DE3039168A1 (de) * | 1980-10-16 | 1982-05-13 | Agfa-Gevaert Ag, 5090 Leverkusen | Fotografisches material, herstellungsverfahren sowie verfahren zur herstellung fotografischer bilder |
| IT1196972B (it) * | 1986-07-23 | 1988-11-25 | Minnesota Mining & Mfg | Composizioni di sviluppo fotografico per alogenuri d'argento e procedimento per la formazione di immagini fotografiche di argento |
| DE68929026T2 (de) | 1988-04-21 | 2000-01-27 | Eastman Kodak Co. (A New Jersey Corp.), Rochester | Photographisches Element, das einen Fänger für das Entwickleroxidationsprodukt enthält |
| US4937160A (en) * | 1988-08-27 | 1990-06-26 | E. I. Du Pont De Nemours And Company | Photographic silver halide elements containing aryl hydrazides |
| US5212045A (en) * | 1990-05-09 | 1993-05-18 | Mitsubishi Paper Mills Limited | Method for image formation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1167655B (de) | 1960-05-13 | 1964-04-09 | Eastman Kodak Co | Verfahren zur Herstellung von farbigen Direktpositivbildern mit Hilfe einer Farbkuppler enthaltenden Direktpositivhalogensilberemulsion und photographisches Material hierfuer |
-
1964
- 1964-03-05 DE DEA45411A patent/DE1199612B/de active Pending
-
1965
- 1965-02-24 US US435067A patent/US3386831A/en not_active Expired - Lifetime
- 1965-03-04 GB GB9248/65A patent/GB1073546A/en not_active Expired
- 1965-03-05 BE BE660667D patent/BE660667A/xx unknown
- 1965-03-05 FR FR8195A patent/FR1426573A/fr not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1167655B (de) | 1960-05-13 | 1964-04-09 | Eastman Kodak Co | Verfahren zur Herstellung von farbigen Direktpositivbildern mit Hilfe einer Farbkuppler enthaltenden Direktpositivhalogensilberemulsion und photographisches Material hierfuer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2757110A1 (de) * | 1976-12-21 | 1978-06-22 | Fuji Photo Film Co Ltd | Verfahren zur herstellung von kontrastreichen bildern |
| DE2758762A1 (de) * | 1976-12-30 | 1978-07-06 | Fuji Photo Film Co Ltd | Photographisches negativbild-silberhalogenidmaterial |
| DE2758753A1 (de) * | 1977-05-06 | 1978-11-16 | Fuji Photo Film Co Ltd | Verfahren zur ausbildung von photographischen bildern mit hohem kontrast |
| DE2758898A1 (de) * | 1977-08-30 | 1979-03-15 | Fuji Photo Film Co Ltd | Verfahren zur entwicklung photographischer lichtempfindlicher silberhalogenidmaterialien |
| DE2758765A1 (de) * | 1977-09-06 | 1979-03-15 | Fuji Photo Film Co Ltd | Verfahren zur erzeugung von kontrastreichen photographischen bildern |
| DE4042595C2 (de) * | 1988-08-27 | 1996-06-13 | Du Pont Deutschland | Arylhydrazide |
Also Published As
| Publication number | Publication date |
|---|---|
| US3386831A (en) | 1968-06-04 |
| BE660667A (enrdf_load_stackoverflow) | 1965-09-06 |
| GB1073546A (en) | 1967-06-28 |
| FR1426573A (fr) | 1966-01-28 |
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