FR1206641A - New tetraazaindenes and their applications, particularly in photography - Google Patents

New tetraazaindenes and their applications, particularly in photography

Info

Publication number
FR1206641A
FR1206641A FR1206641DA FR1206641A FR 1206641 A FR1206641 A FR 1206641A FR 1206641D A FR1206641D A FR 1206641DA FR 1206641 A FR1206641 A FR 1206641A
Authority
FR
France
Prior art keywords
tetraazaindenes
photography
applications
new
new tetraazaindenes
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
Other languages
French (fr)
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 Pathe SA
Original Assignee
Kodak Pathe SA
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 Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR1206641A publication Critical patent/FR1206641A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
    • 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
    • G03C7/18—Processes for the correction of the colour image in subtractive colour photography

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
FR1206641D 1956-09-28 1957-09-25 New tetraazaindenes and their applications, particularly in photography Expired FR1206641A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US612681A US2860975A (en) 1956-09-28 1956-09-28 Photographic color correction process using 2-azo-1-naphthol dyes

Publications (1)

Publication Number Publication Date
FR1206641A true FR1206641A (en) 1960-02-10

Family

ID=24454208

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1206641D Expired FR1206641A (en) 1956-09-28 1957-09-25 New tetraazaindenes and their applications, particularly in photography
FR1192229D Expired FR1192229A (en) 1956-09-28 1957-09-27 New photographic emulsion and products for color photography containing this emulsion

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR1192229D Expired FR1192229A (en) 1956-09-28 1957-09-27 New photographic emulsion and products for color photography containing this emulsion

Country Status (3)

Country Link
US (1) US2860975A (en)
FR (2) FR1206641A (en)
GB (1) GB850610A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3476560A (en) * 1964-07-28 1969-11-04 Fuji Photo Film Co Ltd Inhibiting fogging action during color development
DE1547816A1 (en) * 1964-09-29 1969-12-04 Fuji Photo Film Co Ltd Color photographic silver halide emulsion
US3859095A (en) * 1969-12-13 1975-01-07 Agfa Gevaert Ag Color-photographic material with improved color reproduction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB541073A (en) * 1940-04-09 1941-11-12 Eastman Kodak Co Process of colour photography and materials therefor
FR956677A (en) * 1941-03-22 1950-02-02
US2428054A (en) * 1945-08-30 1947-09-30 Eastman Kodak Co Photographic color correction using colored couplers
GB711233A (en) * 1951-08-16 1954-06-30 Geigy Ag J R Improvements in or relating to colour photography

Also Published As

Publication number Publication date
US2860975A (en) 1958-11-18
GB850610A (en) 1960-10-05
FR1192229A (en) 1959-10-23

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