US2897079A - Production of colored photographic images with oxodiazole couplers - Google Patents

Production of colored photographic images with oxodiazole couplers Download PDF

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Publication number
US2897079A
US2897079A US647473A US64747357A US2897079A US 2897079 A US2897079 A US 2897079A US 647473 A US647473 A US 647473A US 64747357 A US64747357 A US 64747357A US 2897079 A US2897079 A US 2897079A
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United States
Prior art keywords
color coupler
production
photographic
water
couplers
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 - Lifetime
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US647473A
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English (en)
Inventor
Cat Arthur Henri De
Raphael Karel Van Poucke
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.)
Gevaert Photo Producten NV
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Gevaert Photo Producten NV
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Filing date
Publication date
Priority claimed from GB9106/56A external-priority patent/GB817286A/en
Application filed by Gevaert Photo Producten NV filed Critical Gevaert Photo Producten NV
Application granted granted Critical
Publication of US2897079A publication Critical patent/US2897079A/en
Anticipated expiration legal-status Critical
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32Colour coupling substances
    • G03C7/36Couplers containing compounds with active methylene groups

Definitions

  • the present invention relates to a process for the manufacture of colored photographic images by color development in the presence of a color coupler, to photographic developers or to photographic material which contain such color coupler, and to photographic images obtained according to this process.
  • Magenta colored images are usually obtained by development in the presence of compounds which contain an active methylene group, for example compounds whereinthe methylene group is connected at one side with a heterocyclic ring and at the other side with another group capable of activating a methylene group such as a cyan group.
  • compounds which contain an active methylene group for example compounds whereinthe methylene group is connected at one side with a heterocyclic ring and at the other side with another group capable of activating a methylene group such as a cyan group.
  • Such compounds are for instance oxodiazolyl-Z-acetonitrile and cyano-acetyl coumarone.
  • Another object of this invention is to provide new photographic developers containing a color coupler.
  • a further obqect is to provide new photographic material containing a color coupler.
  • a reducible silver salt image is developed with an aromatic amino developing agent in the presence of a compound according to the formula obtained by reaction of HONH with nitriles (RSO CH --CN).
  • RSO CH --CN nitriles
  • the latter are obtained by reaction of chloro-acetonitrile with the sodium salts of sulphinic acids (RSO H).
  • color couplers according to the present invention during color development may arise from adding to the photographic material or to the developer, a compound which differs from the color coupler only because in the active CH -group one or two hydrogen atoms are replaced by a group splitting oif either before development occurs by the action of the alkali in the developing solution or during the color development.
  • the color couplers of the present invention may be added to the developer or to a colloid layer, either to a light-sensitive silver halide emulsion layer or to a nonlight-sensitive layer, adjacent to a sensitive layer or separated therefrom by a permeable colloid layer. They are, however, particularly suited for use in -the developer as illustrated hereinafter.
  • aromatic amino compounds which according to the present invention are used as developing agents, com-- prise mono-, diand tri-amino aryl compounds, particularly N:N-dialkyl-para-phenylene diamines and derivatives such as N:N-dialkyl-N-sulphoor carboxy-methylpara-phenylene diamines.
  • An exposed photographic film strip, coated with a A silver halied emulsion layer, is developed in a bath of the following composition:
  • solution B is added to solution A and water developed image is rinsed for 30 minutes an the silver is bleached in the following bath:
  • the image is rinsed again for 10 minutes and then fixed Y and again rinsed for 30' minutes.
  • Beta-naphthyl-sulphonyl-acetarnidoxirne, melting at 143 C. is prepared as described by J. Troger and P. Volkmer (loc. cit.). 26.4 g. (0.1 mol) of this amidoxime are treated with 15 g. (0.15 mol) cyanoacetyl chloride in ethereal solution. After heating for 2 /2 hours on the waterbath, the precipitate is filtered off, Washed with an aqueous solution of H SO N and next with water until neutral reaction of the wash water, boiled in a minimum of acetic acid and poured into water. A color coupler, corresponding to Formula I, wherein R beta-naphthyl, and melting at 122124 C., is obtained.
  • EXAMPLE 3 p-Nitrophenyl-sulphonyl-acetonitrile melting at 159 160 C. and the corresponding amidoxime melting at 195 196 C. are prepared by the same method as described by J. Troger and P. Volkrner (loc. cit.) for beta-naphthylsulphonyl-aceto-amidoxime.
  • EXAMPLE 4 by nitration of p-tolylsulphonyl-acetonitrile and melting 'at 115-116 C. is transformed into the corresponding amidoxime melting at 152 C. by the method of I. Troger and P. Volkmer (c. cit.).
  • a mixture of 27.3 g. (0.1 mol) of this amidoxirne, suspended in 200 cm. anhydrous ether, and g. (0.15 mol) cyano-acetyl chloride are refluxed for 9 hours on the water bath.
  • the precipitate is filtered off, washed with an aqueous solution of H SO N and with water, boiled in acetic acid and poured into Water. After recrystallization from a mixture of water and acetone, a color coupler corresponding to Formula I, wherein R:3-nitro-4methylphenyl, and melting at 149-150 C. is obtained.
  • EXAMPLE 6 The developing solution given in Example 1 may be replaced by the following:
  • solution B is added to solution A and water is added to the resulting solution to 1000 9 111.
  • a process for the production of a colored photographic image which comprises developing a reducible silver salt image in a photographic element by means of a primary aromatic amino developing agent in the presence of a color coupler having the following formula:
  • R represents a member selected from the group consisting of an alkyl radical and an aryl radical.
  • a process for the production of a colored photographic image which comprises developing a reducible silver salt image in a photographic element by means of a primary aromatic amino developing agent in the presence of a color coupler having the following formula:
  • Photographic developer containing a primary arowherein R represents a member selected from the group consisting of an alkyl radical and an aryl radical.
  • Photographic developer containing a primary aromatic amino developing agent and a color coupler having the following formula:
  • a photographic material comprising at least one silver halide emulsion layer, one of the layers containign a color coupler having the following formula:
  • R represents a member selected from the group consisting of an alkyl radical and an aryl radical.
  • a photographic material comprising at least one silver halide emulsion layer and at least one other colloid layer, one of said layers containing a color coupler having the following formula:
  • R aryl

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
US647473A 1956-03-23 1957-03-21 Production of colored photographic images with oxodiazole couplers Expired - Lifetime US2897079A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9106/56A GB817286A (en) 1956-03-23 Improvements in or relating to the production of colour photographic images

Publications (1)

Publication Number Publication Date
US2897079A true US2897079A (en) 1959-07-28

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US647473A Expired - Lifetime US2897079A (en) 1956-03-23 1957-03-21 Production of colored photographic images with oxodiazole couplers

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US (1) US2897079A (en)van)
BE (1) BE555915A (en)van)
DE (1) DE1045230B (en)van)
FR (1) FR1169942A (en)van)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3277155A (en) * 1960-08-24 1966-10-04 Eastman Kodak Co Monofluoro-beta-ketoacetanilide couplers for color photography
US3351468A (en) * 1963-01-19 1967-11-07 Ciba Ltd Thiophene compounds used as color couplers for magenta dyestuffs
US4148801A (en) * 1978-07-03 1979-04-10 American Home Products Corporation 3-[(Chlorophenylsulfonyl)methyl]-1,2,4-oxadiazole-5-carboxylic acid derivatives
US4871652A (en) * 1988-09-07 1989-10-03 Eastman Kodak Company Photographic silver halide material and process
US5066576A (en) * 1989-10-03 1991-11-19 Fuji Photo Film Co., Ltd. Silver halide color photographic material
US5162196A (en) * 1989-11-20 1992-11-10 Fuji Photo Film Co., Ltd. Color coupler for photography and silver halide photographic material comprising the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2380809A (en) * 1939-12-11 1945-07-31 Verkinderen Honore Color couplers for photographic color development
GB638039A (en) * 1947-12-03 1950-05-31 Gevaert Photo Producten Naamlo Improvements in and relating to the production of colour photographic images

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2369489A (en) * 1941-09-25 1945-02-13 Eastman Kodak Co Acylated amino pyrazolone couplers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2380809A (en) * 1939-12-11 1945-07-31 Verkinderen Honore Color couplers for photographic color development
GB638039A (en) * 1947-12-03 1950-05-31 Gevaert Photo Producten Naamlo Improvements in and relating to the production of colour photographic images

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3277155A (en) * 1960-08-24 1966-10-04 Eastman Kodak Co Monofluoro-beta-ketoacetanilide couplers for color photography
US3351468A (en) * 1963-01-19 1967-11-07 Ciba Ltd Thiophene compounds used as color couplers for magenta dyestuffs
US4148801A (en) * 1978-07-03 1979-04-10 American Home Products Corporation 3-[(Chlorophenylsulfonyl)methyl]-1,2,4-oxadiazole-5-carboxylic acid derivatives
US4871652A (en) * 1988-09-07 1989-10-03 Eastman Kodak Company Photographic silver halide material and process
US5066576A (en) * 1989-10-03 1991-11-19 Fuji Photo Film Co., Ltd. Silver halide color photographic material
US5162196A (en) * 1989-11-20 1992-11-10 Fuji Photo Film Co., Ltd. Color coupler for photography and silver halide photographic material comprising the same

Also Published As

Publication number Publication date
FR1169942A (fr) 1959-01-07
BE555915A (en)van)
DE1045230B (de) 1958-11-27

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