GB1184017A - Liquid Photographic Silver Halide Developer Concentrate - Google Patents

Liquid Photographic Silver Halide Developer Concentrate

Info

Publication number
GB1184017A
GB1184017A GB3448768A GB3448768A GB1184017A GB 1184017 A GB1184017 A GB 1184017A GB 3448768 A GB3448768 A GB 3448768A GB 3448768 A GB3448768 A GB 3448768A GB 1184017 A GB1184017 A GB 1184017A
Authority
GB
United Kingdom
Prior art keywords
silver halide
developer concentrate
photographic silver
halide developer
concentrate
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
GB3448768A
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert 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 Gevaert AG filed Critical Agfa Gevaert AG
Publication of GB1184017A publication Critical patent/GB1184017A/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
    • 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
    • G03C5/305—Additives other than developers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

1,184,017. Photographic silver halide developer concentrate. AGFA-GEVAERT A.G. July 19, 1968 [July 22, 1967], No.34487/68. Heading G2C. An aqueous photographic developer concentrate contains per litre:- K 2 CO 3 150-300g. KOH 10-30g. K 2 SO 3 200-300g. KBr 15-30g. Hydroquinone 30-50g. A 3-aminopyrazoline 1 - 3g. A polyhydric aliphatic alcohol 50-200g. The specified aminopyrazoline is 1-p-aminophenyl- 3-amlnopyrazoline and specified alcohols are ethylene glycol, diethylene glycol and glycerol. The concentrate has superior keeping qualities.
GB3448768A 1967-07-22 1968-07-19 Liquid Photographic Silver Halide Developer Concentrate Expired GB1184017A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA0056338 1967-07-22

Publications (1)

Publication Number Publication Date
GB1184017A true GB1184017A (en) 1970-03-11

Family

ID=6940487

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3448768A Expired GB1184017A (en) 1967-07-22 1968-07-19 Liquid Photographic Silver Halide Developer Concentrate

Country Status (6)

Country Link
BE (1) BE717843A (en)
CH (1) CH498424A (en)
DE (1) DE1597466A1 (en)
FR (1) FR1575074A (en)
GB (1) GB1184017A (en)
NL (1) NL6810183A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4987060A (en) * 1989-04-03 1991-01-22 Minnesota Mining And Manufacturing Company Concentrated photographic developer composition and method of making it

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8501659A (en) * 1985-06-07 1987-01-02 Chemco Inc METHOD FOR PREPARING PHOTOBAD CONCENTRATES IN SLIMMING PROCESS, PROCESS FOR PROCESSING SUCH CONCENTRATES TO USE PHOTOGRAPHIC PROCESSING POOLS, AN APPARATUS SUITABLE FOR THIS PROCESSING AND A PROPERTY THROUGH THIS PROCESS.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4987060A (en) * 1989-04-03 1991-01-22 Minnesota Mining And Manufacturing Company Concentrated photographic developer composition and method of making it

Also Published As

Publication number Publication date
CH498424A (en) 1970-10-31
BE717843A (en) 1969-01-10
FR1575074A (en) 1969-07-18
NL6810183A (en) 1968-12-27
DE1597466A1 (en) 1970-06-11

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees