CH398309A - Photographic layer for the silver dye bleaching process - Google Patents

Photographic layer for the silver dye bleaching process

Info

Publication number
CH398309A
CH398309A CH629261A CH629261A CH398309A CH 398309 A CH398309 A CH 398309A CH 629261 A CH629261 A CH 629261A CH 629261 A CH629261 A CH 629261A CH 398309 A CH398309 A CH 398309A
Authority
CH
Switzerland
Prior art keywords
bleaching process
photographic layer
silver dye
dye bleaching
silver
Prior art date
Application number
CH629261A
Other languages
German (de)
Inventor
Walter Dr Anderau
Boehl Helmuth
Original Assignee
Ciba Geigy
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 NL279064D priority Critical patent/NL279064A/xx
Application filed by Ciba Geigy filed Critical Ciba Geigy
Priority to CH629261A priority patent/CH398309A/en
Priority to FR897772A priority patent/FR1322031A/en
Priority to US196432A priority patent/US3259498A/en
Priority to GB19709/62A priority patent/GB939906A/en
Priority to DEC27123A priority patent/DE1144592B/en
Priority to ES277792A priority patent/ES277792A1/en
Publication of CH398309A publication Critical patent/CH398309A/en

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
    • C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
    • C09B35/10—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type
    • C09B35/16—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type from hydroxy-amines
    • 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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
CH629261A 1961-05-30 1961-05-30 Photographic layer for the silver dye bleaching process CH398309A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL279064D NL279064A (en) 1961-05-30
CH629261A CH398309A (en) 1961-05-30 1961-05-30 Photographic layer for the silver dye bleaching process
FR897772A FR1322031A (en) 1961-05-30 1962-05-16 Photographic layer for the silver discoloration process and method of use thereof
US196432A US3259498A (en) 1961-05-30 1962-05-21 Photographic layers suitable for the silver dyestuff bleaching process
GB19709/62A GB939906A (en) 1961-05-30 1962-05-22 Photographic layers suitable for the silver dyestuff bleaching process
DEC27123A DE1144592B (en) 1961-05-30 1962-05-29 Halogen silver photographic emulsion layer for the silver dye bleaching process
ES277792A ES277792A1 (en) 1961-05-30 1962-05-29 Procedure in chromatic blanking of silver in photographic layers (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH629261A CH398309A (en) 1961-05-30 1961-05-30 Photographic layer for the silver dye bleaching process

Publications (1)

Publication Number Publication Date
CH398309A true CH398309A (en) 1966-03-15

Family

ID=4307251

Family Applications (1)

Application Number Title Priority Date Filing Date
CH629261A CH398309A (en) 1961-05-30 1961-05-30 Photographic layer for the silver dye bleaching process

Country Status (6)

Country Link
US (1) US3259498A (en)
CH (1) CH398309A (en)
DE (1) DE1144592B (en)
ES (1) ES277792A1 (en)
GB (1) GB939906A (en)
NL (1) NL279064A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8979987B1 (en) * 2012-04-06 2015-03-17 Viscot Medical, Llc Blue dye and methods of manufacture and use thereof

Family Cites Families (2)

* 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
BE488200A (en) * 1948-04-02

Also Published As

Publication number Publication date
NL279064A (en)
ES277792A1 (en) 1963-01-16
DE1144592B (en) 1963-02-28
GB939906A (en) 1963-10-16
US3259498A (en) 1966-07-05

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