GB1193349A - Dispersing Colour Couplers - Google Patents

Dispersing Colour Couplers

Info

Publication number
GB1193349A
GB1193349A GB4926367A GB4926367A GB1193349A GB 1193349 A GB1193349 A GB 1193349A GB 4926367 A GB4926367 A GB 4926367A GB 4926367 A GB4926367 A GB 4926367A GB 1193349 A GB1193349 A GB 1193349A
Authority
GB
United Kingdom
Prior art keywords
colour coupler
mixing
aqueous acid
acid medium
colour
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
GB4926367A
Other languages
English (en)
Inventor
James Arthur Townsley
Roy Trunley
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
Application filed by Ilford Ltd filed Critical Ilford Ltd
Priority to GB4926367A priority Critical patent/GB1193349A/en
Priority to CH1590568A priority patent/CH501249A/de
Priority to FR1587050D priority patent/FR1587050A/fr
Priority to DE19681805880 priority patent/DE1805880A1/de
Priority to BE723170D priority patent/BE723170A/xx
Publication of GB1193349A publication Critical patent/GB1193349A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03C7/388Processes for the incorporation in the emulsion of substances liberating photographically active agents or colour-coupling substances; Solvents therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB4926367A 1967-10-30 1967-10-30 Dispersing Colour Couplers Expired GB1193349A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB4926367A GB1193349A (en) 1967-10-30 1967-10-30 Dispersing Colour Couplers
CH1590568A CH501249A (de) 1967-10-30 1968-10-24 Verfahren zur Herstellung einer Halogensilberemulsion
FR1587050D FR1587050A (de) 1967-10-30 1968-10-29
DE19681805880 DE1805880A1 (de) 1967-10-30 1968-10-29 Verfahren zur Herstellung einer Halogensilberemulsion mit einem darin dispergierten Farbkuppler
BE723170D BE723170A (de) 1967-10-30 1968-10-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4926367A GB1193349A (en) 1967-10-30 1967-10-30 Dispersing Colour Couplers

Publications (1)

Publication Number Publication Date
GB1193349A true GB1193349A (en) 1970-05-28

Family

ID=10451740

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4926367A Expired GB1193349A (en) 1967-10-30 1967-10-30 Dispersing Colour Couplers

Country Status (5)

Country Link
BE (1) BE723170A (de)
CH (1) CH501249A (de)
DE (1) DE1805880A1 (de)
FR (1) FR1587050A (de)
GB (1) GB1193349A (de)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933270A (en) * 1988-09-26 1990-06-12 Eastman Kodak Company Process for the precipitation of stable colloidal dispersions of base degradable components of photographic systems in the absence of polymeric steric stabilizers
US4990431A (en) * 1989-01-17 1991-02-05 Eastman Kodak Company Methods of forming stable dispersions of photographic materials
WO1991008516A1 (en) * 1989-11-22 1991-06-13 Eastman Kodak Company Increased activity precipitated photographic materials
US5089380A (en) * 1989-10-02 1992-02-18 Eastman Kodak Company Methods of preparation of precipitated coupler dispersions with increased photographic activity
US5091296A (en) * 1990-06-26 1992-02-25 Eastman Kodak Company Polymer co-precipitated coupler dispersion
US5158863A (en) * 1989-01-17 1992-10-27 Eastman Kodak Company Methods of forming stable dispersions of photographic materials
US5401623A (en) * 1992-10-05 1995-03-28 Eastman Kodak Company Reactivity control in microcrystalline coupler dispersions
US5573900A (en) * 1994-05-20 1996-11-12 Fuji Photo Film Co., Ltd. Dispersion method of hydrophobic, photographically useful compound
US5582957A (en) 1995-03-28 1996-12-10 Eastman Kodak Company Resuspension optimization for photographic nanosuspensions
US5605785A (en) * 1995-03-28 1997-02-25 Eastman Kodak Company Annealing processes for nanocrystallization of amorphous dispersions
US5624467A (en) * 1991-12-20 1997-04-29 Eastman Kodak Company Microprecipitation process for dispersing photographic filter dyes
US5770352A (en) * 1996-04-18 1998-06-23 Eastman Kodak Company High activity photographic dispersions with ultra low levels of permanent solvent
US5817450A (en) * 1995-02-24 1998-10-06 Fuji Photo Film Co., Ltd. Emulsification and dispersion method of hydrophobic, photographically useful compound
US5830632A (en) * 1996-10-31 1998-11-03 Eastman Kodak Company Photographic element containing dispersions of high dye-yield couplers having improved photographic activity
EP0915376A1 (de) * 1997-11-06 1999-05-12 Fuji Photo Film Co., Ltd. Emulgierte Dispersion von einer photographischen, hydrophobischen Verbindung und ein photographisches, lichtempfindliches Silberhalogenidmaterial

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8429677D0 (en) * 1984-11-23 1985-01-03 Kodak Ltd Photographic coupler dispersions
US4957857A (en) * 1988-12-23 1990-09-18 Eastman Kodak Company Stabilization of precipitated dispersions of hydrophobic couplers

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933270A (en) * 1988-09-26 1990-06-12 Eastman Kodak Company Process for the precipitation of stable colloidal dispersions of base degradable components of photographic systems in the absence of polymeric steric stabilizers
US4990431A (en) * 1989-01-17 1991-02-05 Eastman Kodak Company Methods of forming stable dispersions of photographic materials
US5158863A (en) * 1989-01-17 1992-10-27 Eastman Kodak Company Methods of forming stable dispersions of photographic materials
JP2923048B2 (ja) 1989-01-17 1999-07-26 イーストマン コダック カンパニー 写真材料の安定分散液の形成方法
US5089380A (en) * 1989-10-02 1992-02-18 Eastman Kodak Company Methods of preparation of precipitated coupler dispersions with increased photographic activity
WO1991008516A1 (en) * 1989-11-22 1991-06-13 Eastman Kodak Company Increased activity precipitated photographic materials
US5091296A (en) * 1990-06-26 1992-02-25 Eastman Kodak Company Polymer co-precipitated coupler dispersion
US5279931A (en) * 1990-06-26 1994-01-18 Eastman Kodak Company Polymer co-precipitated coupler dispersion
US5624467A (en) * 1991-12-20 1997-04-29 Eastman Kodak Company Microprecipitation process for dispersing photographic filter dyes
US5434036A (en) * 1992-10-05 1995-07-18 Eastman Kodak Company Process for forming microcrystalline coupler dispersions
US5401623A (en) * 1992-10-05 1995-03-28 Eastman Kodak Company Reactivity control in microcrystalline coupler dispersions
US5573900A (en) * 1994-05-20 1996-11-12 Fuji Photo Film Co., Ltd. Dispersion method of hydrophobic, photographically useful compound
US5817450A (en) * 1995-02-24 1998-10-06 Fuji Photo Film Co., Ltd. Emulsification and dispersion method of hydrophobic, photographically useful compound
US5582957A (en) 1995-03-28 1996-12-10 Eastman Kodak Company Resuspension optimization for photographic nanosuspensions
US5605785A (en) * 1995-03-28 1997-02-25 Eastman Kodak Company Annealing processes for nanocrystallization of amorphous dispersions
US5770352A (en) * 1996-04-18 1998-06-23 Eastman Kodak Company High activity photographic dispersions with ultra low levels of permanent solvent
US5830632A (en) * 1996-10-31 1998-11-03 Eastman Kodak Company Photographic element containing dispersions of high dye-yield couplers having improved photographic activity
EP0915376A1 (de) * 1997-11-06 1999-05-12 Fuji Photo Film Co., Ltd. Emulgierte Dispersion von einer photographischen, hydrophobischen Verbindung und ein photographisches, lichtempfindliches Silberhalogenidmaterial
US6309812B1 (en) 1997-11-06 2001-10-30 Fuji Photo Film Co., Ltd. Emulsified dispersion of photographic hydrophobic compound and silver halide photographic light-sensitive material

Also Published As

Publication number Publication date
DE1805880A1 (de) 1969-06-04
BE723170A (de) 1969-04-01
FR1587050A (de) 1970-03-06
CH501249A (de) 1970-12-31

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Legal Events

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