GB546637A - Improvements in or relating to sensitive photographic materials - Google Patents

Improvements in or relating to sensitive photographic materials

Info

Publication number
GB546637A
GB546637A GB813/41A GB81341A GB546637A GB 546637 A GB546637 A GB 546637A GB 813/41 A GB813/41 A GB 813/41A GB 81341 A GB81341 A GB 81341A GB 546637 A GB546637 A GB 546637A
Authority
GB
United Kingdom
Prior art keywords
coated
paper
chloride
solution
leuco base
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
GB813/41A
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB546637A publication Critical patent/GB546637A/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
    • G03C1/00Photosensitive materials
    • G03C1/72Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G03C1/725Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing inorganic compounds
    • 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
    • G03C1/00Photosensitive materials
    • G03C1/64Compositions containing iron compounds as photosensitive substances
    • 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
    • G03C1/00Photosensitive materials
    • G03C1/72Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G03C1/725Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing inorganic compounds
    • G03C1/7256Mercury salts
    • 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
    • G03C1/00Photosensitive materials
    • G03C1/72Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G03C1/73Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds
    • G03C1/732Leuco dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Color Printing (AREA)
GB813/41A 1940-10-09 1941-01-21 Improvements in or relating to sensitive photographic materials Expired GB546637A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US360444A US2324060A (en) 1940-10-09 1940-10-09 Photographic copying paper

Publications (1)

Publication Number Publication Date
GB546637A true GB546637A (en) 1942-07-22

Family

ID=23417973

Family Applications (1)

Application Number Title Priority Date Filing Date
GB813/41A Expired GB546637A (en) 1940-10-09 1941-01-21 Improvements in or relating to sensitive photographic materials

Country Status (3)

Country Link
US (1) US2324060A (enrdf_load_stackoverflow)
BE (1) BE442701A (enrdf_load_stackoverflow)
GB (1) GB546637A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140948A (en) * 1961-10-18 1964-07-14 Horizons Inc Photography

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2844465A (en) * 1954-03-17 1958-07-22 Chalkley Lyman Photographic process
US2978352A (en) * 1957-07-25 1961-04-04 Du Pont Production of triarylmethane colors
US3121632A (en) * 1961-08-30 1964-02-18 Horizons Inc Photographic process and composition including leuco triphenylmethane dyes
US3184308A (en) * 1962-05-23 1965-05-18 Meyer S Agruss Process for treating leucocyanide dye images and product thereof
US3408134A (en) * 1963-04-22 1968-10-29 American Optical Corp Variable density light-filtering means utilizing stannous chloride and thiazine dye
US3418128A (en) * 1965-01-04 1968-12-24 Dietzgen Co Eugene Photosensitive compositions comprising acid addition salts of substituted leucocyanide triphenylmethane dyes and metal perchlorates
EP0041540B1 (en) * 1979-12-07 1985-01-23 Minnesota Mining And Manufacturing Company Color imaging system
US4370401A (en) * 1979-12-07 1983-01-25 Minnesota Mining And Manufacturing Company Light sensitive, thermally developable imaging system
AU542906B2 (en) * 1979-12-07 1985-03-21 Minnesota Mining And Manufacturing Company Light sensitive, thermally developable imaging system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140948A (en) * 1961-10-18 1964-07-14 Horizons Inc Photography

Also Published As

Publication number Publication date
US2324060A (en) 1943-07-13
BE442701A (enrdf_load_stackoverflow)

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