CH399903A - Verfahren zur Verhinderung der Dunkelfärbung und Schlammbildung in photographischen Entwicklern - Google Patents

Verfahren zur Verhinderung der Dunkelfärbung und Schlammbildung in photographischen Entwicklern

Info

Publication number
CH399903A
CH399903A CH878261A CH878261A CH399903A CH 399903 A CH399903 A CH 399903A CH 878261 A CH878261 A CH 878261A CH 878261 A CH878261 A CH 878261A CH 399903 A CH399903 A CH 399903A
Authority
CH
Switzerland
Prior art keywords
sludge formation
photographic developers
preventing darkening
darkening
preventing
Prior art date
Application number
CH878261A
Other languages
English (en)
Inventor
Koenig Anita Dr Von
Raymund Dr Pfeiffenschneider
Original Assignee
Agfa 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.)
Filing date
Publication date
Application filed by Agfa Ag filed Critical Agfa Ag
Publication of CH399903A publication Critical patent/CH399903A/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
    • C07D285/135—Nitrogen atoms
    • 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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29—Development processes or agents therefor
    • G03C5/305—Additives other than developers
    • 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
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/24—Photosensitive materials characterised by the image-receiving section
    • G03C8/243—Toners for the silver image

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
CH878261A 1960-07-27 1961-07-26 Verfahren zur Verhinderung der Dunkelfärbung und Schlammbildung in photographischen Entwicklern CH399903A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA35212A DE1175077B (de) 1960-07-27 1960-07-27 Verfahren zur Verhinderung der Dunkel-faerbung und Schlammbildung in photo-graphischen Entwicklern

Publications (1)

Publication Number Publication Date
CH399903A true CH399903A (de) 1965-09-30

Family

ID=6928904

Family Applications (1)

Application Number Title Priority Date Filing Date
CH878261A CH399903A (de) 1960-07-27 1961-07-26 Verfahren zur Verhinderung der Dunkelfärbung und Schlammbildung in photographischen Entwicklern

Country Status (5)

Country Link
US (1) US3212892A (de)
BE (1) BE606550A (de)
CH (1) CH399903A (de)
DE (1) DE1175077B (de)
GB (3) GB940169A (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3365294A (en) * 1963-04-27 1968-01-23 Agfa Ag Photographic material containing yellow fog-preventing agents
DE1447569A1 (de) * 1963-04-27 1969-02-13 Agfa Ag Lichtempfindliches photographisches Material
US3617289A (en) * 1966-12-10 1971-11-02 Fuji Photo Film Co Ltd Stabilization process for thermally developable light-sensitive elements
DE1919045C3 (de) * 1969-04-15 1979-11-15 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren zur Herstellung stabiler photographischer Bilder
US4093462A (en) * 1976-11-11 1978-06-06 Eastman Kodak Company 2,5-Bis(secondary amino) oxa- and thiadiazole photographic developing agents
JPS5726848A (en) * 1980-07-24 1982-02-13 Fuji Photo Film Co Ltd Developing method for photosensitive silver halide material
JPS6128943A (ja) * 1984-07-19 1986-02-08 Fuji Photo Film Co Ltd カラ−反転写真感光材料の現像処理方法
JPS61282841A (ja) * 1985-06-07 1986-12-13 Fuji Photo Film Co Ltd ハロゲン化銀カラ−感光材料の処理方法
JP2591616B2 (ja) 1986-04-22 1997-03-19 コニカ株式会社 カブリの防止されたハロゲン化銀写真感光材料の処理方法
US4933265A (en) * 1986-09-01 1990-06-12 Fuji Photo Film Co., Ltd. Process for forming direct positive color image
US4761482A (en) * 1987-04-23 1988-08-02 R. T. Vanderbilt Company, Inc. Terpene derivatives of 2,5-dimercapto-1,3,4-thiadiazoles and lubricating compositions containing same
US5188662A (en) * 1991-06-28 1993-02-23 Eastman Kodak Company Silver recovery process
US5210009A (en) * 1991-06-28 1993-05-11 Eastman Kodak Company Silver recovery element and process
US5310629A (en) * 1991-06-28 1994-05-10 Eastman Kodak Company Silver recovery element and method
JP3240334B2 (ja) * 1992-10-12 2001-12-17 コニカ株式会社 黒白ハロゲン化銀写真感光材料の現像処理方法
US5506092A (en) * 1993-12-06 1996-04-09 Konica Corporation Method of processing black and white silver halide photographic compositions with a developer containing an anti sludgant
US5660972A (en) * 1994-03-16 1997-08-26 Mitsubishi Paper Mills Limited Method for photographic development using a filter to inhibit occurrence of silver sludges
DE4424680A1 (de) 1994-07-13 1996-01-18 Rhein Chemie Rheinau Gmbh Poly[2.5-bis(polysulfano)-1.3.4-thiadiazole]
US5683859A (en) * 1996-05-20 1997-11-04 Eastman Kodak Company Photographic developing composition containing a sludge inhibiting agent and use thereof in the high contrast development of nucleated photographic elements
US5840471A (en) 1996-10-02 1998-11-24 Konica Corporation Method for processing silver halide photographic light-sensitive material
US5830626A (en) * 1997-08-26 1998-11-03 Eastman Kodak Company Photographic developing composition containing anti-sludging agent and use thereof
US6620771B2 (en) * 1999-10-20 2003-09-16 R. T. Vanderbilt Company, Inc. Thiadiazole dimer additives and lubricating compositions containing the same
WO2008061796A2 (en) * 2006-11-24 2008-05-29 Ac Immune Sa Compounds for the treatment of diseases associated with amyloid or amyloid-like proteins
CA2670418A1 (en) * 2006-11-24 2008-05-29 Ac Immune Sa N-(methyl)-1h-pyrazol-3-amine, n-(methyl)-pyridin-2-amine and n-(methyl)-thiazol-2-amine derivatives for the treatment of diseases associated with amyloid or amyloid-like proteins, like e.g. alzheimers's
EP2311823A1 (de) 2009-10-15 2011-04-20 AC Immune S.A. 2,6-Diaminopyridinverbindungen zur Behandlung von Krankheiten im Zusammenhang mit Amyloidproteinen oder zur Behandlung von Augenkrankheiten
CN114401949A (zh) 2019-09-17 2022-04-26 路博润公司 2,5-二巯基-1,3,4-噻二唑(“dmtd”)衍生物
CN115989222A (zh) 2020-08-26 2023-04-18 路博润公司 2,5-二巯基-1,3,4-噻二唑（“dmtd”）锌盐衍生物
WO2022046625A1 (en) 2020-08-26 2022-03-03 The Lubrizol Corporation 2,5-dimercapto-1,3,4-thiadiazole ("dmtd") metal salt derivatives
CN114805244A (zh) * 2022-05-19 2022-07-29 贵州大学 双-(1,3,4-噻二唑)类衍生物及其制备方法和应用

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT160168B (de) * 1937-09-15 1941-02-25 Gevaert Photo Prod Nv Entwicklungsverfahren für photographische Halogensilberschichten.
US2592195A (en) * 1939-12-20 1952-04-08 Gevaert Photo Prod Nv Heterocyclic nitrogen compounds
BE476657A (de) * 1946-04-05
US2719126A (en) * 1952-12-30 1955-09-27 Standard Oil Co Corrosion inhibitors and compositions containing same
DE953607C (de) * 1953-08-20 1956-12-06 Basf Ag Verfahren zur Herstellung von Mono- oder Disubstitutionsprodukten des 2, 5-Dimercapto-1, 3, 4-thiadiazols
BE537818A (de) * 1954-05-03
DE950537C (de) * 1954-08-06 1956-10-11 Filmfabrik Agfa Wolfen Veb Verfahren zur Klarhaltung von photographischen Halogensilberemulsionen bei der Entwicklung
BE557693A (de) * 1956-05-23
BE567153A (de) * 1957-04-26

Also Published As

Publication number Publication date
DE1175077B (de) 1964-07-30
GB940169A (en) 1963-10-23
US3212892A (en) 1965-10-19
GB959661A (en) 1964-06-03
BE606550A (de)
GB959182A (en) 1964-05-27

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