FR1424649A - Nouvelles pyrazolidinones, utilisables notamment comme agents de développement photographique - Google Patents

Nouvelles pyrazolidinones, utilisables notamment comme agents de développement photographique

Info

Publication number
FR1424649A
FR1424649A FR4053A FR4053A FR1424649A FR 1424649 A FR1424649 A FR 1424649A FR 4053 A FR4053 A FR 4053A FR 4053 A FR4053 A FR 4053A FR 1424649 A FR1424649 A FR 1424649A
Authority
FR
France
Prior art keywords
pyrazolidinones
usable
new
photographic development
development agents
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
FR4053A
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.)
Ilford Imaging UK Ltd
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 GB453864A external-priority patent/GB1039875A/en
Application filed by Ilford Ltd filed Critical Ilford Ltd
Priority to FR4053A priority Critical patent/FR1424649A/fr
Application granted granted Critical
Publication of FR1424649A publication Critical patent/FR1424649A/fr
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR4053A 1964-02-03 1965-02-02 Nouvelles pyrazolidinones, utilisables notamment comme agents de développement photographique Expired FR1424649A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR4053A FR1424649A (fr) 1964-02-03 1965-02-02 Nouvelles pyrazolidinones, utilisables notamment comme agents de développement photographique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB453864A GB1039875A (en) 1964-02-03 1964-02-03 Photographic 3-pyrazolidinone developing agents
FR4053A FR1424649A (fr) 1964-02-03 1965-02-02 Nouvelles pyrazolidinones, utilisables notamment comme agents de développement photographique

Publications (1)

Publication Number Publication Date
FR1424649A true FR1424649A (fr) 1966-01-14

Family

ID=26161845

Family Applications (1)

Application Number Title Priority Date Filing Date
FR4053A Expired FR1424649A (fr) 1964-02-03 1965-02-02 Nouvelles pyrazolidinones, utilisables notamment comme agents de développement photographique

Country Status (1)

Country Link
FR (1) FR1424649A (fr)

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