GB757271A - Improvements in photographic developing agents - Google Patents

Improvements in photographic developing agents

Info

Publication number
GB757271A
GB757271A GB22511/54A GB2251154A GB757271A GB 757271 A GB757271 A GB 757271A GB 22511/54 A GB22511/54 A GB 22511/54A GB 2251154 A GB2251154 A GB 2251154A GB 757271 A GB757271 A GB 757271A
Authority
GB
United Kingdom
Prior art keywords
pyrazolidone
methyl
cr1r2
dimethyl
ethyl
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.)
Expired
Application number
GB22511/54A
Other languages
English (en)
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.)
Kodak Ltd
Original Assignee
Kodak Ltd
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 Kodak Ltd filed Critical Kodak Ltd
Publication of GB757271A publication Critical patent/GB757271A/en
Expired legal-status Critical Current

Links

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
    • 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
    • G03C5/30—Developers
    • G03C5/3028—Heterocyclic compounds
    • G03C5/3035—Heterocyclic compounds containing a diazole ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/06—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D231/08—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with oxygen or sulfur atoms directly attached to ring carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Plural Heterocyclic Compounds (AREA)
GB22511/54A 1953-08-03 1954-08-03 Improvements in photographic developing agents Expired GB757271A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US372148A US2772282A (en) 1953-08-03 1953-08-03 3-pyrazolidones

Publications (1)

Publication Number Publication Date
GB757271A true GB757271A (en) 1956-09-19

Family

ID=23466906

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22511/54A Expired GB757271A (en) 1953-08-03 1954-08-03 Improvements in photographic developing agents

Country Status (4)

Country Link
US (1) US2772282A (enrdf_load_stackoverflow)
BE (1) BE530884A (enrdf_load_stackoverflow)
FR (1) FR1131853A (enrdf_load_stackoverflow)
GB (1) GB757271A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6083673A (en) * 1996-01-23 2000-07-04 Eastman Kodak Company Organic/inorganic developer composition

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166568A (en) * 1965-01-19 Therapeutic compositions containing
NL279140A (enrdf_load_stackoverflow) * 1961-05-31
BE633195A (enrdf_load_stackoverflow) * 1962-06-07
US3453109A (en) * 1966-06-24 1969-07-01 Eastman Kodak Co Forming a relief by developing and hardening an exposed unhardened silver halide emulsion in the exposed areas with 3-pyrazolidones having hydroxymethyl substitution in the 4-position
US4266002A (en) * 1978-10-02 1981-05-05 Eastman Kodak Company Substituted 1-phenyl-3-pyrazolidinone electron transfer agents
US4209580A (en) * 1978-10-02 1980-06-24 Eastman Kodak Company Substituted 1-phenyl-3-pyrazolidinone electron transfer agents
JPS5850534A (ja) * 1981-09-21 1983-03-25 Fuji Photo Film Co Ltd 多層カラ−写真感光材料
JPH0648371B2 (ja) * 1986-11-07 1994-06-22 富士写真フイルム株式会社 Ｘレイ用ハロゲン化銀写真感光材料の処理方法
CA2026606A1 (en) * 1989-11-13 1991-05-14 Eastman Kodak Company Photographic developing solution for use with fore-hardened x-ray films
DE69223192T2 (de) * 1991-08-16 1998-06-18 Agfa Gevaert Nv Ein photographisches Silberhalogenidmaterial
GB9623709D0 (en) * 1996-11-14 1997-01-08 Kodak Ltd Novel auxiliary developing agents,photographic materials incorporating them and the use thereof
US6087084A (en) * 1997-11-14 2000-07-11 Eastman Kodak Company Auxiliary developing agents, photographic materials incorporating them and the use thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB542502A (en) * 1940-07-10 1942-01-13 John David Kendall Improvements in or relating to photographic development processes
US2688024A (en) * 1951-10-17 1954-08-31 Ilford Ltd Production of 3-pyrazolidones
US2704762A (en) * 1952-08-25 1955-03-22 Ilford Ltd Production of 3-pyrazolidones

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6083673A (en) * 1996-01-23 2000-07-04 Eastman Kodak Company Organic/inorganic developer composition

Also Published As

Publication number Publication date
US2772282A (en) 1956-11-27
FR1131853A (fr) 1957-02-28
BE530884A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB757271A (en) Improvements in photographic developing agents
GB738585A (en) Improvements in or relating to tetrazolium compounds
GB1193035A (en) Substituted Imidazo Pyrazinones
ES478019A1 (es) Procedimiento para la obtencion de betatriazolil(-imidazolil)cetonas alfa,beta insaturadas de efecto herbicida.
GB1353179A (en) Hydantoin derivatives processes for producing them and compositions containing them
GB1106040A (en) Novel benzdiaz[1,4]epine derivatives and a process for the manufacture thereof
GB1155936A (en) Novel Sulphonamides and a Process for the Manufacture thereof
ATE59033T1 (de) N-enthaltende heterozyklische verbindungen, verfahren zu deren herstellung und diese enthaltende arzneimittel.
GB787044A (en) Fungicidal compositions
US4155764A (en) Photographic color developer composition
US3798234A (en) Process for the preparation of 3-anilino-pyrazolones-(5)
GB1432816A (en) Pharmaceutical antimycotic compositions medicaments and method
GB997037A (en) New hydrantoin derivatives
GB881616A (en) Improvements in the production of 1-aryl-4, 5-dihalogen-pyridazones-(6)
GB985683A (en) Manufacture of 2-glycylamido-benzophenones and cyclisation derivatives thereof
CH505072A (de) Verfahren zur Herstellung von Sulfonylharnstoffderivaten
US2420630A (en) Disazo dye compounds
GB957837A (en) Process for developing diazotype copies
GB558855A (en) Improvements in colour forming developers, processes of colour development and photographic emulsions for forming coloured images
DE59309898D1 (de) 4-oxo-azetidin-2-sulfonsäureamide und ihre salze, verfahren zu deren herstellung und ihre verwendung
GB754419A (en) Aromatic nitroso compounds as silver oxidizing agents
GB925566A (en) Arylaminopyrazoles
GB743505A (en) Improvements in or relating to pyrazole derivatives
GB1515129A (en) Paraphenylenediamine compounds and their use for photographic purposes
ES8202800A1 (es) Metodo para producir derivados del 4-metil-5-(2-aminoetil)- tiometil-imidazol que tienen actividad terapeutica