DE1044089B - Verfahren zur Herstellung von photographischen Entwicklersubstanzen - Google Patents

Verfahren zur Herstellung von photographischen Entwicklersubstanzen

Info

Publication number
DE1044089B
DE1044089B DEF14951A DEF0014951A DE1044089B DE 1044089 B DE1044089 B DE 1044089B DE F14951 A DEF14951 A DE F14951A DE F0014951 A DEF0014951 A DE F0014951A DE 1044089 B DE1044089 B DE 1044089B
Authority
DE
Germany
Prior art keywords
aminopyrazoline
aminopyrazolines
preparation
aminophenyl
developing 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.)
Pending
Application number
DEF14951A
Other languages
German (de)
English (en)
Inventor
Dr Rudolf Mersch
Dr Detlef Delfs
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.)
Bayer AG
Original Assignee
Bayer 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
Priority to BE538973D priority Critical patent/BE538973A/xx
Application filed by Bayer AG filed Critical Bayer AG
Priority to DEF14951A priority patent/DE1044089B/de
Priority to US515558A priority patent/US2840567A/en
Priority to GB17140/55A priority patent/GB776322A/en
Publication of DE1044089B publication Critical patent/DE1044089B/de
Pending 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
    • 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)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
DEF14951A 1954-06-14 1954-06-14 Verfahren zur Herstellung von photographischen Entwicklersubstanzen Pending DE1044089B (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE538973D BE538973A (en, 2012) 1954-06-14
DEF14951A DE1044089B (de) 1954-06-14 1954-06-14 Verfahren zur Herstellung von photographischen Entwicklersubstanzen
US515558A US2840567A (en) 1954-06-14 1955-06-14 1-(p-aminophenyl)-3-aminopyrazolines and process
GB17140/55A GB776322A (en) 1954-06-14 1955-06-14 1-(p-aminophenyl)-3-aminopyrazolines and their production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF14951A DE1044089B (de) 1954-06-14 1954-06-14 Verfahren zur Herstellung von photographischen Entwicklersubstanzen

Publications (1)

Publication Number Publication Date
DE1044089B true DE1044089B (de) 1958-11-20

Family

ID=7087747

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF14951A Pending DE1044089B (de) 1954-06-14 1954-06-14 Verfahren zur Herstellung von photographischen Entwicklersubstanzen

Country Status (4)

Country Link
US (1) US2840567A (en, 2012)
BE (1) BE538973A (en, 2012)
DE (1) DE1044089B (en, 2012)
GB (1) GB776322A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE584545A (en, 2012) * 1958-11-12

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE870418C (de) * 1950-04-06 1953-03-12 Ilford Ltd Verfahren zur Herstellung von Pyrazolinverbindungen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2726248A (en) * 1950-04-06 1955-12-06 Ilfrod Ltd 3-amino pyrazolines and process
GB679678A (en) * 1950-04-06 1952-09-24 Ilford Ltd Improvements in or relating to the production of 3-amino pyrazolines

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE870418C (de) * 1950-04-06 1953-03-12 Ilford Ltd Verfahren zur Herstellung von Pyrazolinverbindungen

Also Published As

Publication number Publication date
GB776322A (en) 1957-06-05
US2840567A (en) 1958-06-24
BE538973A (en, 2012)

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