CH447812A - Photographischer Entwickler - Google Patents

Photographischer Entwickler

Info

Publication number
CH447812A
CH447812A CH540465A CH540465A CH447812A CH 447812 A CH447812 A CH 447812A CH 540465 A CH540465 A CH 540465A CH 540465 A CH540465 A CH 540465A CH 447812 A CH447812 A CH 447812A
Authority
CH
Switzerland
Prior art keywords
photographic developer
photographic
developer
Prior art date
Application number
CH540465A
Other languages
English (en)
Inventor
William Braid Arthur
Crichton Ramsay David William
Original Assignee
Ilford 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
Priority claimed from GB4606663A external-priority patent/GB1025430A/en
Application filed by Ilford Ltd filed Critical Ilford Ltd
Publication of CH447812A publication Critical patent/CH447812A/de

Links

Classifications

    • 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
    • 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
    • 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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/407—Development processes or agents therefor
    • G03C7/413—Developers
    • G03C7/4136—Developers p-Phenylenediamine or derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Cosmetics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CH540465A 1961-05-31 1965-04-20 Photographischer Entwickler CH447812A (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB19700/61A GB943694A (en) 1961-05-31 1961-05-31 3-pyrazolidinone derivatives and their use as photographic developers
GB637362 1962-02-19
GB4606663A GB1025430A (en) 1963-11-21 1963-11-21 Preparation of 3-pyrazolidinone derivatives
GB16272/64A GB1039453A (en) 1961-05-31 1964-04-20 3-pyrazolidinone derivatives and their use in photographic developers

Publications (1)

Publication Number Publication Date
CH447812A true CH447812A (de) 1967-11-30

Family

ID=27447515

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1498164A CH441340A (de) 1961-05-31 1964-11-20 Verfahren zur Herstellung von 3-Pyrazolidinon-Derivaten
CH540465A CH447812A (de) 1961-05-31 1965-04-20 Photographischer Entwickler

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1498164A CH441340A (de) 1961-05-31 1964-11-20 Verfahren zur Herstellung von 3-Pyrazolidinon-Derivaten

Country Status (6)

Country Link
US (1) US3153654A (de)
BE (2) BE656081A (de)
CH (2) CH441340A (de)
DE (2) DE1445920A1 (de)
GB (2) GB943694A (de)
NL (4) NL6413533A (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061653A (en) * 1972-06-23 1977-12-06 Bayer Aktiengesellschaft 1-Substituted-3-amino-pyrazol-5-ones
US4032646A (en) * 1973-04-17 1977-06-28 Bayer Aktiengesellschaft Pyrazol-5-ones
AR207444A1 (es) * 1973-04-17 1976-10-08 Bayer Ag Procedimiento para la produccion de nuevas pirazolonas-(5)1-substituidas
US4005215A (en) * 1973-04-17 1977-01-25 Bayer Aktiengesellschaft Pyrazol-5-ones
US4000294A (en) * 1973-04-17 1976-12-28 Bayer Aktiengesellschaft Pyrazol-5-ones
US4045571A (en) * 1973-04-17 1977-08-30 Bayer Aktiengesellschaft Pyrazol-5-ones
US3992404A (en) * 1973-04-17 1976-11-16 Bayer Aktiengesellschaft Pyrazol-5-ones
US4056533A (en) * 1973-04-17 1977-11-01 Bayer Aktiengesellschaft Pyrazol-5-ones
DE2319278C2 (de) * 1973-04-17 1986-02-20 Bayer Ag, 5090 Leverkusen Pharmazeutisches Mittel
AR207445A1 (es) * 1973-04-17 1976-10-08 Bayer Ag Procedimiento de preparacion de nuevos derivados de pirazolonas-(5)-1-substituidas
USRE30420E (en) * 1973-04-17 1980-10-21 Bayer Aktiengesellschaft Pyrazol-5-ones
US4081596A (en) * 1973-04-17 1978-03-28 Bayer Aktiengesellschaft Pyrazol-5-ones
DE2363511A1 (de) * 1973-12-20 1975-07-10 Bayer Ag Pyrazol-derivate, verfahren zu ihrer herstellung sowie ihre verwendung als arzneimittel
US4122280A (en) * 1973-12-20 1978-10-24 Bayer Aktiengesellschaft Pyrazole derivatives
DE2427272C3 (de) * 1974-06-06 1981-10-01 Bayer Ag, 5090 Leverkusen 1-(2-(β-Naphthyloxy)-äthyl)-3-methyl -pyrazolon-(5), Verfahren sowie Verwendung als Antithrombotikum
GB1500023A (en) * 1975-01-31 1978-02-08 Ici Ltd Manufacture of 1-aryl-3-carboxy-pyrazolid-5-ones
US4220791A (en) * 1979-03-08 1980-09-02 E. R. Squibb & Sons, Inc. Mercaptoacylpyrazolidinone carboxylic acid derivatives
TWI327566B (en) 2001-08-13 2010-07-21 Du Pont Novel substituted ihydro 3-halo-1h-pyrazole-5-carboxylates,their preparation and use
AU2002319814A1 (en) * 2001-08-13 2003-03-03 E.I. Du Pont De Nemours And Company Substituted 1h-dihydropyrazoles, their preparation and use
TWI367882B (en) * 2003-03-26 2012-07-11 Du Pont Preparation and use of 2-substituted-5-oxo-3-pyrazolidinecarboxylates
JP4920878B2 (ja) * 2004-07-14 2012-04-18 日本電気株式会社 認証システム、ネットワーク集線装置及びそれらに用いる認証方法並びにそのプログラム

Family Cites Families (7)

* 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
US2700670A (en) * 1951-10-25 1955-01-25 Geigy Ag J R Derivatives of 3, 5-dioxo-pyrazolidine
US2784086A (en) * 1953-07-28 1957-03-05 Eastman Kodak Co Concentrated developers
BE530884A (de) * 1953-08-03
US2743279A (en) * 1953-08-03 1956-04-24 Eastman Kodak Co Process of preparing 3-pyrazolidones
US2840471A (en) * 1956-09-06 1958-06-24 Francis G Berry Photographic film developer

Also Published As

Publication number Publication date
GB943694A (en) 1963-12-04
DE1547959A1 (de) 1970-02-12
CH441340A (de) 1967-08-15
NL6413533A (de) 1965-05-24
US3153654A (en) 1964-10-20
DE1445920A1 (de) 1969-02-13
GB1039453A (en) 1966-08-17
NL121416C (de)
BE662732A (de) 1965-08-17
NL279140A (de)
BE656081A (de) 1965-03-16
NL6504706A (de) 1965-10-21

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