GB1028562A - Disazo dyestuffs and their use in colour photography - Google Patents

Disazo dyestuffs and their use in colour photography

Info

Publication number
GB1028562A
GB1028562A GB36242/62A GB3624262A GB1028562A GB 1028562 A GB1028562 A GB 1028562A GB 36242/62 A GB36242/62 A GB 36242/62A GB 3624262 A GB3624262 A GB 3624262A GB 1028562 A GB1028562 A GB 1028562A
Authority
GB
United Kingdom
Prior art keywords
amino
hydrogen
dyes
diazotized
coupled
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
GB36242/62A
Other languages
English (en)
Inventor
Francis George Hunt
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
Priority to BE637793D priority Critical patent/BE637793A/xx
Priority to DENDAT1252058D priority patent/DE1252058B/de
Application filed by Ilford Ltd filed Critical Ilford Ltd
Priority to GB36242/62A priority patent/GB1028562A/en
Priority to US306685A priority patent/US3287132A/en
Priority to FR948401A priority patent/FR1369835A/fr
Priority to CH1176563A priority patent/CH440962A/de
Publication of GB1028562A publication Critical patent/GB1028562A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/04—Disazo dyes characterised by the tetrazo component the tetrazo component being a benzene derivative
    • 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
    • G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials
    • G03C7/29—Azo dyes therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Coloring (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
GB36242/62A 1962-09-24 1962-09-24 Disazo dyestuffs and their use in colour photography Expired GB1028562A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BE637793D BE637793A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1962-09-24
DENDAT1252058D DE1252058B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1962-09-24
GB36242/62A GB1028562A (en) 1962-09-24 1962-09-24 Disazo dyestuffs and their use in colour photography
US306685A US3287132A (en) 1962-09-24 1963-09-05 Silver dye bleach dyestuffs and their use in colour photography
FR948401A FR1369835A (fr) 1962-09-24 1963-09-23 Nouveaux colorants pour la photographie en couleur
CH1176563A CH440962A (de) 1962-09-24 1963-09-24 Photographisches Material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB36242/62A GB1028562A (en) 1962-09-24 1962-09-24 Disazo dyestuffs and their use in colour photography

Publications (1)

Publication Number Publication Date
GB1028562A true GB1028562A (en) 1966-05-04

Family

ID=10386298

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36242/62A Expired GB1028562A (en) 1962-09-24 1962-09-24 Disazo dyestuffs and their use in colour photography

Country Status (5)

Country Link
US (1) US3287132A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE637793A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH440962A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1252058B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1028562A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH440965A (de) * 1964-02-13 1967-07-31 Ciba Geigy Photographisches Material für das Silberfarbbleichverfahren
US3503741A (en) * 1966-11-04 1970-03-31 Eastman Kodak Co Silver-dye-bleach process utilizing formazan dyes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA479607A (en) * 1951-12-18 Gaspar Bela Azo dyes for color photography
US1975609A (en) * 1931-11-06 1934-10-02 Ici Ltd Azo dye and method for its preparation
GB615606A (en) * 1946-12-30 1949-01-07 Walter Francis Beech New azo dyestuffs
BE488200A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1948-04-02
US2779758A (en) * 1951-09-04 1957-01-29 Saul & Co Chromable disazo dyestuffs
BE567189A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1957-04-29
NL136530C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1960-07-22

Also Published As

Publication number Publication date
BE637793A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE1252058B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH440962A (de) 1967-07-31
US3287132A (en) 1966-11-22

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