EP0361004A1 - Matériau d'enregistrement photographique avec gradation demi-teinte pour traitement plein-jour - Google Patents

Matériau d'enregistrement photographique avec gradation demi-teinte pour traitement plein-jour Download PDF

Info

Publication number: EP0361004A1
Authority: EP; European Patent Office
Prior art keywords: silver; silver halide; recording material; mol; halide emulsion
Prior art date: 1988-08-03
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.): Granted

Application number

EP89113416A

Other languages

German (de)

English (en)

Other versions

EP0361004B1 (fr

Inventor

Wilfried Dr. Bahnmüller

Jutta Dipl.-Ing. Finkener

Dieter Dr. Himmelreich

Wolfgang Dipl.-Ing. Reiber

Heinz Dipl.-Ing. Schwarz

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Agfa Gevaert AG

Original Assignee

Agfa Gevaert AG

Priority date (The priority date 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 date listed.)

1988-08-03

Filing date

1989-07-21

Publication date

1990-04-04

1989-07-21 Application filed by Agfa Gevaert AG filed Critical Agfa Gevaert AG

1989-07-21 Priority to AT89113416T priority Critical patent/ATE98385T1/de

1990-04-04 Publication of EP0361004A1 publication Critical patent/EP0361004A1/fr

1993-12-08 Application granted granted Critical

1993-12-08 Publication of EP0361004B1 publication Critical patent/EP0361004B1/fr

2009-07-21 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000000463 material Substances 0.000 title claims abstract description 16
-1 silver halide Chemical class 0.000 claims abstract description 27
229910052709 silver Inorganic materials 0.000 claims abstract description 25
239000004332 silver Substances 0.000 claims abstract description 25
229910021607 Silver chloride Inorganic materials 0.000 claims abstract description 8
HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims abstract description 8
239000000839 emulsion Substances 0.000 claims description 40
GGZHVNZHFYCSEV-UHFFFAOYSA-N 1-Phenyl-5-mercaptotetrazole Chemical compound SC1=NN=NN1C1=CC=CC=C1 GGZHVNZHFYCSEV-UHFFFAOYSA-N 0.000 claims description 13
SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 13
238000001556 precipitation Methods 0.000 claims description 7
ZXQHSPWBYMLHLB-BXTVWIJMSA-M 6-ethoxy-1-methyl-2-[(e)-2-(3-nitrophenyl)ethenyl]quinolin-1-ium;methyl sulfate Chemical compound COS([O-])(=O)=O.C1=CC2=CC(OCC)=CC=C2[N+](C)=C1\C=C\C1=CC=CC([N+]([O-])=O)=C1 ZXQHSPWBYMLHLB-BXTVWIJMSA-M 0.000 claims description 4
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
229910001961 silver nitrate Inorganic materials 0.000 claims description 4
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
229910052708 sodium Inorganic materials 0.000 claims description 3
239000011734 sodium Substances 0.000 claims description 3
230000003595 spectral effect Effects 0.000 claims description 3
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 claims description 2
229910021612 Silver iodide Inorganic materials 0.000 claims description 2
ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 claims description 2
229940045105 silver iodide Drugs 0.000 claims description 2
239000010410 layer Substances 0.000 description 16
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
150000004820 halides Chemical class 0.000 description 5
QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 4
XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 4
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
108010010803 Gelatin Proteins 0.000 description 3
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
238000005266 casting Methods 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
238000009826 distribution Methods 0.000 description 3
229920000159 gelatin Polymers 0.000 description 3
239000008273 gelatin Substances 0.000 description 3
235000019322 gelatine Nutrition 0.000 description 3
235000011852 gelatine desserts Nutrition 0.000 description 3
238000000034 method Methods 0.000 description 3
239000000203 mixture Substances 0.000 description 3
239000011241 protective layer Substances 0.000 description 3
230000033458 reproduction Effects 0.000 description 3
230000035945 sensitivity Effects 0.000 description 3
239000011780 sodium chloride Substances 0.000 description 3
239000003381 stabilizer Substances 0.000 description 3
239000000080 wetting agent Substances 0.000 description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
238000000576 coating method Methods 0.000 description 2
239000012141 concentrate Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
CMCWWLVWPDLCRM-UHFFFAOYSA-N phenidone Chemical compound N1C(=O)CCN1C1=CC=CC=C1 CMCWWLVWPDLCRM-UHFFFAOYSA-N 0.000 description 2
BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
239000000126 substance Substances 0.000 description 2
239000000758 substrate Substances 0.000 description 2
238000012360 testing method Methods 0.000 description 2
125000003396 thiol group Chemical group [H]S* 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
229940090898 Desensitizer Drugs 0.000 description 1
ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 description 1
206010070834 Sensitisation Diseases 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
125000004442 acylamino group Chemical group 0.000 description 1
239000000654 additive Substances 0.000 description 1
150000001413 amino acids Chemical class 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
238000001035 drying Methods 0.000 description 1
239000000975 dye Substances 0.000 description 1
125000000524 functional group Chemical group 0.000 description 1
239000011521 glass Substances 0.000 description 1
239000003966 growth inhibitor Substances 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
230000002401 inhibitory effect Effects 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
150000002730 mercury Chemical class 0.000 description 1
150000002736 metal compounds Chemical class 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
229910000510 noble metal Inorganic materials 0.000 description 1
150000002894 organic compounds Chemical class 0.000 description 1
229910052762 osmium Inorganic materials 0.000 description 1
SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
229920000172 poly(styrenesulfonic acid) Polymers 0.000 description 1
229940005642 polystyrene sulfonic acid Drugs 0.000 description 1
235000015320 potassium carbonate Nutrition 0.000 description 1
229910000027 potassium carbonate Inorganic materials 0.000 description 1
235000019252 potassium sulphite Nutrition 0.000 description 1
125000002924 primary amino group Chemical group [H]N([H])* 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
230000008313 sensitization Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000002356 single layer Substances 0.000 description 1
230000003381 solubilizing effect Effects 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 description 1
230000007704 transition Effects 0.000 description 1
238000005406 washing Methods 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
- G03C1/07—Substances influencing grain growth during silver salt formation

Definitions

the invention relates to a photographic recording material (daylight film) which can be processed in daylight and is suitable for reproducing halftones.
a daylight film is understood to be a film that can be handled in daylight or conditions similar to daylight, in particular exposed and developed in terms of images. Such a film therefore has a comparatively very low sensitivity.
the invention relates to a photographic recording material that can be processed in daylight, in particular a daylight film with at least one silver halide emulsion layer applied to a support, characterized in that the silver halide consists of at least 75 mol%, preferably at least 95 mol%, of silver chloride and has been prepared in the presence of a 1-phenyl-5-mercaptotetrazole .
the 1-phenyl-5-mercaptotetrazole compound used can be 1-phenyl-5-mercaptotetrazole itself, but it can also be substituted on the phenyl ring, e.g. B. with amino, acylamino or with solubilizing functional groups such as hydroxyl or carboxyl.
the 1-phenyl-5-mercaptotetrazole compound can also be in a form in which the mercapto group is blocked and, if appropriate, is only released under the precipitation conditions;
1-phenyl-5-mercaptotetrazole compounds with a blocked mercapto group are described, for example, in DE-A-21 61 044 and DE-A-21 61 045.
the 1-phenyl-5-mercaptotetrazole compound is preferably used in an amount of 0.5 to 50 mmol, based on 1 mol of the total of silver nitrate to be used in the precipitation of the silver halide.
the 1-phenyl-5-mercaptotetrazole compound is generally introduced in solution form during the precipitation together with an emulsion binder, in particular gelatin, and the precipitation reaction partners - silver nitrate solution on the one hand and halide solution on the other hand - are generally added by the usual double jet process.
the composition of the halide solution corresponds essentially to the halide ratio of the desired emulsion. Accordingly, the halide of the halide solution consists mainly, ie more than 75 mol%, preferably more than 95 mol%, of chloride; the rest consists of bromide and / or iodide, the iodide content generally not exceeding 10 mol%.
the iodide can also be added in whole or in part after the end of the actual precipitation. However, bromide and iodide can also be completely absent if a pure silver chloride emulsion is to be produced.
the silver chloride emulsions according to the invention normally have an average grain size of less than 0.1 ⁇ m.
These can be homodisperse or heterodisperse emulsions, for example an emulsion in which 90% of all grains have a grain size that deviates up or down from the average grain size by 0.04 ⁇ m or less.
the emulsions can be worked up in the customary manner, for. B. by flaking, washing and redispersing.
the emulsions are not chemically ripened, but they can still be mixed with the usual additives. These are, in particular, other stabilizers, such as mercury salts, triazaindolizines, wetting agents and hardening agents.
additives such as mercury salts, triazaindolizines, wetting agents and hardening agents.
One can even spectral without significantly changing the daylight security Add sensitizers.
electron scavengers such as pinacryptol yellow and the like as desensitizers in order to further reduce the sensitivity to daylight.
noble metal compounds such as, for example, hexahalogeno complexes of rhodium, iridium or osmium is possible and may be useful.
the silver halide emulsion according to the invention contains, for example, 10-200 mg pinacryptol yellow and / or 1-100 mg sodium hexachlororhodiate-III per mol silver.
the emulsion according to the invention can be cast as a single layer or can also be distributed over two or more layers which are poured directly onto one another or can be separated by separating layers.
All layers can contain so-called screen dyes, which are not photographically active, but only absorb light and thus contribute to sharpness.
the emulsions can be poured onto transparent substrates, e.g. on a transparent film or on glass plates, it is also possible to use opaque underlays, e.g. of layer supports made of paper, which can optionally be hydrophobized on one or both sides by coating.
developer substances can be contained in the emulsion layer. However, it is also possible to store the developer substances in separate layers above, below or between the emulsion layer (s).
the daylight film according to the invention is outstandingly suitable for the production of black and white halftone reproductions, in particular for the production of running masks which are sometimes used in combination photography with color separation reproductions. Due to its property, in daylight or conditions similar to daylight, e.g. B. can be processed with fluorescent lighting, or represents a valuable asset for repro photography, because an additional darkroom facility is unnecessary.
Both solutions A and B are added to the presented solution C in the usual double jet process in 120 s without pAg control.
a solution of 12 g of KI in 100 ml of water is added, then the mixture is stirred for a further 4 minutes and then flocculated and washed out with polystyrene sulfonic acid in the customary manner.
Wetting agent is added according to the casting system.
a coating is produced from the emulsion with an application corresponding to 3.0 g of silver nitrate per m2.
a protective layer is drawn over the emulsion layer, consisting of a 3.2% aqueous gelatin solution which contains wetting agents corresponding to the casting system and 0.2% formaldehyde as hardening agent.
the thickness of the protective layer is approx. 1 ⁇ m after drying.
the material After casting, the material is stored until the hardening has risen to a constant value. For testing purposes, the material is imaged on one of the commercially available daylight copiers behind a step wedge tet. Development takes place at 27 ° C for different lengths in a phenidone hydroquinone developer of the following composition: 2 g Trilon B 70 g K2CO3 200 g K2SO3 30 g KBr 16 g KOH 60 g hydroquinone 1.45 g phenidone 90 mg of 1-phenyl-5-mercaptotetrazole fill up with water to 1000 ml (concentrate); for use, 1 volume of the concentrate is diluted with 2 volumes of water.
a phenidone hydroquinone developer of the following composition: 2 g Trilon B 70 g K2CO3 200 g K2SO3 30 g KBr 16 g KOH 60 g hydroquinone 1.45 g phenidone 90 mg of 1-phenyl-5-mer
An emulsion is prepared according to the instructions in Example 1, but using only 17.2 KBr instead of 172 g KBr and 451 g NaCl instead of 375 g NaCl.
Table 2 Amount of phenyl mercaptotetrazole [g] Gradation measured between densities 0.3 and 1.7 after development time 164 s 82 s 32 s 0 3.14 3.01 3.20 26.0 1.03 0.99 0.98

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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)
Silver Salt Photography Or Processing Solution Therefor (AREA)
Credit Cards Or The Like (AREA)
Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

EP89113416A 1988-08-03 1989-07-21 Matériau d'enregistrement photographique avec gradation demi-teinte pour traitement plein-jour Expired - Lifetime EP0361004B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT89113416T ATE98385T1 (de)	1988-08-03	1989-07-21	Fotografisches, bei tageslicht verarbeitbares aufzeichnungsmaterial mit halbtongradation.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3826374		1988-08-03
DE3826374A DE3826374A1 (de)	1988-08-03	1988-08-03	Fotografisches, bei tageslicht verarbeitbares aufzeichnungsmaterial mit halbtongradation

Publications (2)

Publication Number	Publication Date
EP0361004A1 true EP0361004A1 (fr)	1990-04-04
EP0361004B1 EP0361004B1 (fr)	1993-12-08

Family

ID=6360165

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP89113416A Expired - Lifetime EP0361004B1 (fr)	1988-08-03	1989-07-21	Matériau d'enregistrement photographique avec gradation demi-teinte pour traitement plein-jour

Country Status (5)

Country	Link
US (1)	US5045444A (fr)
EP (1)	EP0361004B1 (fr)
JP (1)	JPH02262644A (fr)
AT (1)	ATE98385T1 (fr)
DE (2)	DE3826374A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5240828A (en) *	1989-12-22	1993-08-31	Eastman Kodak Company	Direct reversal emulsions
US5342743A (en) *	1991-07-01	1994-08-30	Fuji Photo Film Co., Ltd.	Silver halide photographic material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3403825A1 (de) *	1983-02-04	1984-08-16	Mitsubishi Paper Mills, Ltd., Tokyo	Fotografische, fotoempfindliche silberhalogenidmaterialien
EP0255721A2 (fr) *	1986-08-05	1988-02-10	Fuji Photo Film Co., Ltd.	Emulsions à l'halogénure d'argent et matériaux photographiques
EP0256781A2 (fr) *	1986-08-07	1988-02-24	Konica Corporation	Matériau photographique couleur à l'halogénure d'argent sensible à la lumière utilisable pour le traitement rapide

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS61103149A (ja) *	1984-10-26	1986-05-21	Fuji Photo Film Co Ltd	ハロゲン化銀写真乳剤の製造方法
JP2522644B2 (ja) *	1986-01-14	1996-08-07	富士写真フイルム株式会社	ハロゲン化銀写真感光材料
JPS62235939A (ja) *	1986-04-07	1987-10-16	Fuji Photo Film Co Ltd	ハロゲン化銀写真感光材料

1988
- 1988-08-03 DE DE3826374A patent/DE3826374A1/de not_active Withdrawn
1989
- 1989-07-21 EP EP89113416A patent/EP0361004B1/fr not_active Expired - Lifetime
- 1989-07-21 AT AT89113416T patent/ATE98385T1/de active
- 1989-07-21 DE DE89113416T patent/DE58906367D1/de not_active Expired - Fee Related
- 1989-07-31 JP JP1197013A patent/JPH02262644A/ja active Pending
1991
- 1991-01-11 US US07/640,524 patent/US5045444A/en not_active Expired - Fee Related

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3403825A1 (de) *	1983-02-04	1984-08-16	Mitsubishi Paper Mills, Ltd., Tokyo	Fotografische, fotoempfindliche silberhalogenidmaterialien
EP0255721A2 (fr) *	1986-08-05	1988-02-10	Fuji Photo Film Co., Ltd.	Emulsions à l'halogénure d'argent et matériaux photographiques
EP0256781A2 (fr) *	1986-08-07	1988-02-24	Konica Corporation	Matériau photographique couleur à l'halogénure d'argent sensible à la lumière utilisable pour le traitement rapide

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
J.M. EDER et al.: "Sensibilisierung und Desensibilisierung", 3. Auflage, Band 3, Teil 3 des "Ausführliches Handbuch der Photographie", 1932, Verlag W. Knapp, Halle, Saale, DE *
PATENT ABSTRACTS OF JAPAN, Band 6, Nr. 229 (P-155)[1107], 16. November 1982; & JP-A-57 132 137 (KONISHIROKU SHASHIN KOGYO K.K.) 16-08-1982 *
PHOTOGRAPHISCHE KORRESPONDENZ, Band 98, 1962, Seiten 59-60, Verlag Dr. Othmar Helwich, Darmstadt, Wien, DE; K. POKORNY: "Über den Rhodiumeffekt und andere Probleme moderner Emulsionstechnik" *

Also Published As

Publication number	Publication date
US5045444A (en)	1991-09-03
ATE98385T1 (de)	1993-12-15
EP0361004B1 (fr)	1993-12-08
DE58906367D1 (de)	1994-01-20
DE3826374A1 (de)	1990-02-08
JPH02262644A (ja)	1990-10-25

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Publication	Publication Date	Title
DE3850221T2 (de)	1995-02-02	Photographische Elemente, die einen Bleich-Beschleuniger-Vorläufer enthalten.
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