FR1339016A - Photographic layers for the silver discoloration process - Google Patents

Photographic layers for the silver discoloration process

Info

Publication number
FR1339016A
FR1339016A FR909185A FR909185A FR1339016A FR 1339016 A FR1339016 A FR 1339016A FR 909185 A FR909185 A FR 909185A FR 909185 A FR909185 A FR 909185A FR 1339016 A FR1339016 A FR 1339016A
Authority
FR
France
Prior art keywords
photographic layers
silver discoloration
discoloration process
silver
photographic
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
FR909185A
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.)
Novartis AG
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba 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
Priority claimed from CH1121061A external-priority patent/CH412566A/en
Application filed by Ciba Geigy AG, Ciba AG filed Critical Ciba Geigy AG
Priority to FR909185A priority Critical patent/FR1339016A/en
Application granted granted Critical
Publication of FR1339016A publication Critical patent/FR1339016A/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
    • G03C7/29—Azo dyes therefor
    • 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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR909185A 1961-09-27 1962-09-11 Photographic layers for the silver discoloration process Expired FR1339016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR909185A FR1339016A (en) 1961-09-27 1962-09-11 Photographic layers for the silver discoloration process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1121061A CH412566A (en) 1961-09-27 1961-09-27 Photographic layer for the silver dye bleaching process
FR909185A FR1339016A (en) 1961-09-27 1962-09-11 Photographic layers for the silver discoloration process

Publications (1)

Publication Number Publication Date
FR1339016A true FR1339016A (en) 1963-10-04

Family

ID=25707978

Family Applications (1)

Application Number Title Priority Date Filing Date
FR909185A Expired FR1339016A (en) 1961-09-27 1962-09-11 Photographic layers for the silver discoloration process

Country Status (1)

Country Link
FR (1) FR1339016A (en)

Similar Documents

Publication Publication Date Title
FR1284462A (en) Photographic layers for the silver discoloration process
FR1312796A (en) Process for the preparation of photographic silver halide emulsions
FR1311546A (en) Photographic layers for the silver discoloration process
FR1225554A (en) Process for the preparation of photographic silver halide emulsions
FR1311068A (en) Process for the development of photographic silver halide emulsion layers
FR1290363A (en) Photographic layers for the bleaching process of colored silver images
FR1341169A (en) Process for obtaining polychrome images using the silver discoloration process
FR1292672A (en) Photographic layers for the silver discoloration process
FR1449357A (en) Photographic articles for the silver discoloration process
FR1339016A (en) Photographic layers for the silver discoloration process
FR1311685A (en) Photographic layers for the silver discoloration process
FR1317394A (en) Photographic layers for the silver discoloration process
FR1454112A (en) Photographic preparations for the silver discoloration process
FR1305111A (en) Photographic layers for the silver discoloration process
FR1419321A (en) Photographic preparations for the silver discoloration process
FR1346870A (en) Photographic articles for the silver discoloration process
FR1342619A (en) Photographic articles for the silver discoloration process
FR1375598A (en) Photographic articles for the silver discoloration process
FR1464177A (en) Photographic articles for the silver discoloration process
FR1291283A (en) Photographic layers for the money laundering process
FR1422699A (en) Photographic articles for the silver discoloration process
FR1435543A (en) Photographic articles for the silver discoloration process
CH429441A (en) Process for the development of silver halide emulsion layers
FR1493164A (en) Photographic layers for the silver bleaching process
FR1358695A (en) Photographic articles for use in the silver discoloration process