GB1255857A - Dyestuff bleaching preparation for the photographic silver dyestuff bleaching process - Google Patents

Dyestuff bleaching preparation for the photographic silver dyestuff bleaching process

Info

Publication number
GB1255857A
GB1255857A GB31834/69A GB3183469A GB1255857A GB 1255857 A GB1255857 A GB 1255857A GB 31834/69 A GB31834/69 A GB 31834/69A GB 3183469 A GB3183469 A GB 3183469A GB 1255857 A GB1255857 A GB 1255857A
Authority
GB
United Kingdom
Prior art keywords
acid
reductone
preparation
iodide
bleaching
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
GB31834/69A
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of GB1255857A publication Critical patent/GB1255857A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB31834/69A 1968-06-25 1969-06-24 Dyestuff bleaching preparation for the photographic silver dyestuff bleaching process Expired GB1255857A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH940468A CH508899A (de) 1968-06-25 1968-06-25 Farbbleichzubereitung für das photographische Silberfarbbleichverfahren

Publications (1)

Publication Number Publication Date
GB1255857A true GB1255857A (en) 1971-12-01

Family

ID=4351634

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31834/69A Expired GB1255857A (en) 1968-06-25 1969-06-24 Dyestuff bleaching preparation for the photographic silver dyestuff bleaching process

Country Status (9)

Country Link
US (1) US3620744A (de)
AT (1) AT288160B (de)
BE (1) BE735081A (de)
CH (1) CH508899A (de)
DE (1) DE1924723A1 (de)
FR (1) FR2011649A1 (de)
GB (1) GB1255857A (de)
NL (1) NL6909656A (de)
SE (1) SE359170B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791978A (fr) * 1971-11-29 1973-05-28 Ciba Geigy Preparation decolorante pour le procede photographique de decoloration a l'argent
CH579292A5 (de) * 1973-05-18 1976-08-31 Ciba Geigy Ag
CH584914A5 (de) * 1973-10-12 1977-02-15 Ciba Geigy Ag
CH594912A5 (de) * 1974-07-10 1978-01-31 Ciba Geigy Ag
US5084434A (en) * 1988-10-03 1992-01-28 A.B. Dick Company Ink and method for the development of concealed iamges
US5017226A (en) * 1988-10-03 1991-05-21 A. B. Dick Company Ink and method for the development of concealed images
US5262285A (en) * 1992-05-04 1993-11-16 Eastman Kodak Company Methods and compositions for retouching film images
US5895781A (en) * 1997-12-22 1999-04-20 S. C. Johnson & Son, Inc. Cleaning compositions for ceramic and porcelain surfaces and related methods
US6417226B1 (en) * 2000-12-12 2002-07-09 Nicholas V. Perricone Skin whiteners containing hydroxytetronic acid

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE396070A (de) * 1932-05-05
BE475914A (de) * 1946-12-14
US2936308A (en) * 1955-06-02 1960-05-10 John E Hodge Novel reductones and methods of making them

Also Published As

Publication number Publication date
CH508899A (de) 1971-06-15
BE735081A (de) 1969-12-24
DE1924723A1 (de) 1970-01-08
FR2011649A1 (de) 1970-03-06
NL6909656A (de) 1969-12-30
SE359170B (de) 1973-08-20
US3620744A (en) 1971-11-16
AT288160B (de) 1971-02-25

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