GB1346996A - Development of photographic silver halide material - Google Patents

Development of photographic silver halide material

Info

Publication number
GB1346996A
GB1346996A GB2840370A GB1346996DA GB1346996A GB 1346996 A GB1346996 A GB 1346996A GB 2840370 A GB2840370 A GB 2840370A GB 1346996D A GB1346996D A GB 1346996DA GB 1346996 A GB1346996 A GB 1346996A
Authority
GB
United Kingdom
Prior art keywords
group
silver halide
stands
formula
emulsion layer
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
GB2840370A
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 GB1346996A publication Critical patent/GB1346996A/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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
    • G03C1/043—Polyalkylene oxides; Polyalkylene sulfides; Polyalkylene selenides; Polyalkylene tellurides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/62—Alcohols or phenols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1346996 Developing photographic silver halide materials AGFA-GEVAERT 10 May 1971 [11 June 1970] 28403/70 Heading G2C [Also in Division C3] In a process for developing an exposed lightsensitive silver halide photographic material the development is carried out in the presence of a water-soluble compound obtained by reaction of a bisepoxide of the formula:- wherein: Z stands for oxygen or the group-O-Y-O- wherein Y is a straight or branched-chain alkylene group having from 2 to 8 C-atoms; with a monoalkyl or a monoaryl ether of ethylene glycol or of a polyoxyethylene glycol, the hydrogen atoms of the hydroxyl groups in the reaction product being optionally wholly or partly substituted. The water soluble compound may correspond to the formula:- wherein: Z has the same significance as in the first formula, R stands for alkyl or aryl, n stands for an integer from 1 to 20 and R 1 stands for hydrogen, an alkyl group, a substituted alkyl group, a -COR 2 group, a -CONHR 2 group or a -SO 2 R 2 group wherein R 2 stands for a monovalent saturated or unsaturated aliphatic group, a -COCH=CH-COOH group or its bisulphite addition product, an aryl group or a heterocyclic group or one of such groups carrying one or more substituents. The compound may be contained in a developer bath or can be added to the coating composition of a silver halide emulsion layer and/or incorporated into a waterpermeable layer which when coated under or on top of the emulsion layer forms a water-permeable system with the silver halide emulsion layer and is then in effective contact with the silver halide.
GB2840370A 1970-06-11 1970-06-11 Development of photographic silver halide material Expired GB1346996A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2840370 1970-06-11

Publications (1)

Publication Number Publication Date
GB1346996A true GB1346996A (en) 1974-02-13

Family

ID=10275073

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2840370A Expired GB1346996A (en) 1970-06-11 1970-06-11 Development of photographic silver halide material

Country Status (6)

Country Link
US (1) US3749574A (en)
BE (1) BE768365A (en)
CA (1) CA989869A (en)
DE (1) DE2128951A1 (en)
FR (1) FR2096095A5 (en)
GB (1) GB1346996A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS551572B2 (en) * 1972-12-21 1980-01-16
US4017314A (en) * 1976-01-07 1977-04-12 E. I. Du Pont De Nemours And Company Use of crown compounds (cyclic polyethers) in litho developers to improve halftone dot quality and gradation
JPS5344025A (en) * 1976-08-27 1978-04-20 Fuji Photo Film Co Ltd Image formation method

Also Published As

Publication number Publication date
FR2096095A5 (en) 1972-02-11
CA989869A (en) 1976-05-25
BE768365A (en) 1971-12-13
DE2128951A1 (en) 1971-12-16
US3749574A (en) 1973-07-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee