CH335940A - Verwendung von 4-Amino-5-pyrazolonen als photographische Entwicklersubstanzen - Google Patents

Verwendung von 4-Amino-5-pyrazolonen als photographische Entwicklersubstanzen

Info

Publication number
CH335940A
CH335940A CH335940DA CH335940A CH 335940 A CH335940 A CH 335940A CH 335940D A CH335940D A CH 335940DA CH 335940 A CH335940 A CH 335940A
Authority
CH
Switzerland
Prior art keywords
pyrazolones
amino
photographic developer
developer substances
substances
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Lothar Dr Burgardt
Willibald Dr Pelz
Ottmar Dr Wahl
Heinz Dipl Ing Sassmann
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 CH335940A publication Critical patent/CH335940A/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
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D231/18—One oxygen or sulfur atom
    • C07D231/20—One oxygen atom attached in position 3 or 5
    • C07D231/22—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms
    • C07D231/24—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms having sulfone or sulfonic acid radicals in the molecule
    • 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
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms
    • C07D231/46—Oxygen atom in position 3 or 5 and nitrogen atom in position 4
    • C07D231/48—Oxygen atom in position 3 or 5 and nitrogen atom in position 4 with hydrocarbon radicals attached to said nitrogen atom
    • 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
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms
    • C07D231/46—Oxygen atom in position 3 or 5 and nitrogen atom in position 4
    • C07D231/50—Acylated on said nitrogen atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/54—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings condensed with carbocyclic rings or ring systems
    • C07D231/56—Benzopyrazoles; Hydrogenated benzopyrazoles
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CH335940D 1954-03-15 1955-03-03 Verwendung von 4-Amino-5-pyrazolonen als photographische Entwicklersubstanzen CH335940A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA19873A DE955025C (de) 1954-03-15 1954-03-15 Photographischer Entwickler

Publications (1)

Publication Number Publication Date
CH335940A true CH335940A (de) 1959-01-31

Family

ID=43015123

Family Applications (1)

Application Number Title Priority Date Filing Date
CH335940D CH335940A (de) 1954-03-15 1955-03-03 Verwendung von 4-Amino-5-pyrazolonen als photographische Entwicklersubstanzen

Country Status (6)

Country Link
US (1) US2981623A (fr)
BE (1) BE536351A (fr)
CH (1) CH335940A (fr)
DE (1) DE955025C (fr)
FR (1) FR1124976A (fr)
GB (1) GB765286A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1029229B (de) * 1956-12-22 1958-04-30 Agfa Ag Photographischer Entwickler
BE563474A (fr) * 1956-12-31 1960-06-17
US3386825A (en) * 1957-07-02 1968-06-04 Polaroid Corp Photographic product containing zinc
BE578539A (fr) * 1958-05-10
US3034891A (en) * 1958-07-31 1962-05-15 Gen Aniline & Film Corp Procedure for the production of yellow dye images by color development
US3285150A (en) * 1961-05-16 1966-11-15 Wunder Phot Inc Combined photographic and development apparatus
NL286908A (fr) * 1961-12-19
BE637358A (fr) * 1962-09-15
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731473A (en) * 1956-01-17 New pyrazolone derivatives
US2637732A (en) * 1953-05-05 Process for the manufacture of
US1937844A (en) * 1931-03-23 1933-12-05 Goodrich Co B F Photographic developer and method of developing
DE685901C (de) * 1935-08-31 1939-12-28 I G Farbenindustrie Akt Ges Verfahren zur Feinkornentwicklung

Also Published As

Publication number Publication date
BE536351A (fr) 1955-09-09
DE955025C (de) 1956-12-27
GB765286A (en) 1957-01-09
FR1124976A (fr) 1956-10-22
US2981623A (en) 1961-04-25

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