GB581772A - Improvements in photographic processes - Google Patents

Improvements in photographic processes

Info

Publication number
GB581772A
GB581772A GB12422/42A GB1242242A GB581772A GB 581772 A GB581772 A GB 581772A GB 12422/42 A GB12422/42 A GB 12422/42A GB 1242242 A GB1242242 A GB 1242242A GB 581772 A GB581772 A GB 581772A
Authority
GB
United Kingdom
Prior art keywords
emulsion
type
colour
emulsions
developer
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
GB12422/42A
Other languages
English (en)
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.)
Kodak Ltd
Original Assignee
Kodak 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 Kodak Ltd filed Critical Kodak Ltd
Publication of GB581772A publication Critical patent/GB581772A/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
    • G03C1/52—Compositions containing diazo compounds as photosensitive substances
    • G03C1/58—Coupling substances therefor
    • 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
    • G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • 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
    • G03C1/485—Direct positive emulsions
    • G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
    • 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
    • G03C7/22—Subtractive cinematographic processes; Materials therefor; Preparing or processing such materials
    • G03C7/24—Subtractive cinematographic processes; Materials therefor; Preparing or processing such materials combined with sound-recording
    • 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
    • G03C7/3022—Materials with specific emulsion characteristics, e.g. thickness of the layers, silver content, shape of AgX grains
    • 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
    • G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • G03C2001/03564—Mixed grains or mixture of emulsions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Materials For Photolithography (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
GB12422/42A 1942-09-02 1942-09-02 Improvements in photographic processes Expired GB581772A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB2452765X 1942-09-02
GB1242243 1943-10-04
GB10663/44A GB581790A (en) 1942-09-02 1944-06-02 Photographic processes and materials therefor
US14176A US2490751A (en) 1942-09-02 1948-03-11 Mixed grain multilayer photographic film and process

Publications (1)

Publication Number Publication Date
GB581772A true GB581772A (en) 1946-10-24

Family

ID=32180584

Family Applications (4)

Application Number Title Priority Date Filing Date
GB12422/42A Expired GB581772A (en) 1942-09-02 1942-09-02 Improvements in photographic processes
GB10663/44A Expired GB581790A (en) 1942-09-02 1944-06-02 Photographic processes and materials therefor
GB2495/45A Expired GB595419A (en) 1942-09-02 1945-01-31 Improvements in photographic processes
GB6734/49A Expired GB662360A (en) 1942-09-02 1949-03-11 Improvements in photographic processes and materials therefor

Family Applications After (3)

Application Number Title Priority Date Filing Date
GB10663/44A Expired GB581790A (en) 1942-09-02 1944-06-02 Photographic processes and materials therefor
GB2495/45A Expired GB595419A (en) 1942-09-02 1945-01-31 Improvements in photographic processes
GB6734/49A Expired GB662360A (en) 1942-09-02 1949-03-11 Improvements in photographic processes and materials therefor

Country Status (7)

Country Link
US (2) US2452765A (US07321065-20080122-C00020.png)
BE (1) BE468652A (US07321065-20080122-C00020.png)
CH (2) CH278966A (US07321065-20080122-C00020.png)
DE (2) DE854888C (US07321065-20080122-C00020.png)
FR (2) FR950279A (US07321065-20080122-C00020.png)
GB (4) GB581772A (US07321065-20080122-C00020.png)
NL (1) NL69459C (US07321065-20080122-C00020.png)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2581718A (en) * 1948-06-10 1952-01-08 Roland M Schaffert Method of preparing duplicate plastic-backed printing plates
BE491747A (US07321065-20080122-C00020.png) * 1948-10-22
US3000739A (en) * 1957-04-02 1961-09-19 Du Pont Process for preparing silver halide emulsions
US3152907A (en) * 1959-11-12 1964-10-13 Eastman Kodak Co Method for controlling speed and contrast of photographic emulsions
US3404002A (en) * 1963-06-27 1968-10-01 Eastman Kodak Co Interimage characteristics of silver halide dye developer image transfer systems
US3276877A (en) * 1964-07-17 1966-10-04 Eastman Kodak Co Method of preparing sensitized photographic emulsions
US3607278A (en) * 1968-04-18 1971-09-21 Eastman Kodak Co Photographic elements containing fogged and unfogged silver halide grains and a slow silver halide emulsion layer
US3622318A (en) * 1970-03-20 1971-11-23 Eastman Kodak Co Photographic materials and processes
JPS5895345A (ja) * 1981-12-01 1983-06-06 Konishiroku Photo Ind Co Ltd 色素画像形成方法
US5389507A (en) * 1992-12-31 1995-02-14 Eastman Kodak Company Reversal elements with internal latent image forming core-shell emulsions

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB501987A (en) * 1937-09-10 1939-03-09 Colin Butement Improvements in or relating to colour photography

Also Published As

Publication number Publication date
CH281462A (fr) 1952-03-15
DE848909C (de) 1952-09-08
FR61904E (fr) 1955-05-31
GB581790A (en) 1946-10-24
GB662360A (en) 1951-12-05
US2490751A (en) 1949-12-06
BE468652A (US07321065-20080122-C00020.png)
CH278966A (fr) 1951-11-15
US2452765A (en) 1948-11-02
FR950279A (fr) 1949-09-22
GB595419A (en) 1947-12-04
NL69459C (US07321065-20080122-C00020.png)
DE854888C (de) 1952-11-06

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