GB2316754B - Variable contrast photographic material - Google Patents

Variable contrast photographic material

Info

Publication number
GB2316754B
GB2316754B GB9618214A GB9618214A GB2316754B GB 2316754 B GB2316754 B GB 2316754B GB 9618214 A GB9618214 A GB 9618214A GB 9618214 A GB9618214 A GB 9618214A GB 2316754 B GB2316754 B GB 2316754B
Authority
GB
United Kingdom
Prior art keywords
photographic material
contrast photographic
variable contrast
variable
photographic
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 - Fee Related
Application number
GB9618214A
Other versions
GB9618214D0 (en
GB2316754A (en
Inventor
Ian Murphy
Anne Marie Kavanagh
Malcolm David Tirel
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
Ilford Imaging UK 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, Ilford Imaging UK Ltd filed Critical Ilford Ltd
Priority to GB9618214A priority Critical patent/GB2316754B/en
Publication of GB9618214D0 publication Critical patent/GB9618214D0/en
Publication of GB2316754A publication Critical patent/GB2316754A/en
Application granted granted Critical
Publication of GB2316754B publication Critical patent/GB2316754B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/28—Sensitivity-increasing substances together with supersensitising substances
    • G03C1/29—Sensitivity-increasing substances together with supersensitising substances the supersensitising mixture being solely composed of dyes ; Combination of dyes, even if the supersensitising effect is not explicitly disclosed
    • 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
    • G03C2200/00—Details
    • G03C2200/16—Black-and-white material
    • 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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB9618214A 1996-08-30 1996-08-30 Variable contrast photographic material Expired - Fee Related GB2316754B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9618214A GB2316754B (en) 1996-08-30 1996-08-30 Variable contrast photographic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9618214A GB2316754B (en) 1996-08-30 1996-08-30 Variable contrast photographic material

Publications (3)

Publication Number Publication Date
GB9618214D0 GB9618214D0 (en) 1996-10-09
GB2316754A GB2316754A (en) 1998-03-04
GB2316754B true GB2316754B (en) 2000-09-27

Family

ID=10799239

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9618214A Expired - Fee Related GB2316754B (en) 1996-08-30 1996-08-30 Variable contrast photographic material

Country Status (1)

Country Link
GB (1) GB2316754B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1335851A (en) * 1970-08-14 1973-10-31 Agfa Gevaert Spectral sensitization of direct-positive silver halide emulsions
GB1343719A (en) * 1970-11-25 1974-01-16 Fuji Photo Film Co Ltd Sensitized silver halide photographic emulsions
GB1377013A (en) * 1971-09-27 1974-12-11 Konishiroku Photo Ind Silver halide light-sensitive materials
GB1491633A (en) * 1974-10-23 1977-11-09 Fuji Photo Film Co Ltd Spectrally sensitized silver halide photographic emulsion
EP0144091A2 (en) * 1983-11-30 1985-06-12 Fuji Photo Film Co., Ltd. Silver halide photographic emulsion
US4551424A (en) * 1983-12-22 1985-11-05 Fuji Photo Film Co., Ltd. Silver halide photographic light-sensitive material
US4987063A (en) * 1987-11-24 1991-01-22 Agfa-Gevaert Aktiengesellschaft Gradation variable black- and -white paper

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1335851A (en) * 1970-08-14 1973-10-31 Agfa Gevaert Spectral sensitization of direct-positive silver halide emulsions
GB1343719A (en) * 1970-11-25 1974-01-16 Fuji Photo Film Co Ltd Sensitized silver halide photographic emulsions
GB1377013A (en) * 1971-09-27 1974-12-11 Konishiroku Photo Ind Silver halide light-sensitive materials
GB1491633A (en) * 1974-10-23 1977-11-09 Fuji Photo Film Co Ltd Spectrally sensitized silver halide photographic emulsion
EP0144091A2 (en) * 1983-11-30 1985-06-12 Fuji Photo Film Co., Ltd. Silver halide photographic emulsion
US4551424A (en) * 1983-12-22 1985-11-05 Fuji Photo Film Co., Ltd. Silver halide photographic light-sensitive material
US4987063A (en) * 1987-11-24 1991-01-22 Agfa-Gevaert Aktiengesellschaft Gradation variable black- and -white paper

Also Published As

Publication number Publication date
GB9618214D0 (en) 1996-10-09
GB2316754A (en) 1998-03-04

Similar Documents

Publication Publication Date Title
GB9617185D0 (en) Polymeric film
IL116054A0 (en) Radiation-absorptive material
GB9521216D0 (en) Protctive material
GB9617078D0 (en) Polymeric film
GB9425641D0 (en) Polymeric film
GB2310394B (en) Forming material
GB2317895B (en) Polymeric material
GB9407803D0 (en) Polymeric film
GB9414637D0 (en) Presure-sensitive copying material
GB9423182D0 (en) Polymeric film
GB9526708D0 (en) Solid material pump
GB2299680B (en) Photographic material
GB9608567D0 (en) Material carrying case
GB2316754B (en) Variable contrast photographic material
GB9406153D0 (en) Photographic variable contrast material
GB2298495B (en) Colour photographic material
GB9516120D0 (en) Variable contrast photographic material
GB9721467D0 (en) Processing photographic material
GB9721462D0 (en) Processing photographic material
GB9721460D0 (en) Processing photographic material
GB9721464D0 (en) Processing photographic material
GB9721472D0 (en) Processing photographic material
GB9721454D0 (en) Processing photographic material
GB9721979D0 (en) Processing photographic material
GB9721468D0 (en) Processing photographic material

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050830