FR877991A - Process for the desensitization of silver halide layers, sensitive to light - Google Patents

Process for the desensitization of silver halide layers, sensitive to light

Info

Publication number
FR877991A
FR877991A FR877991DA FR877991A FR 877991 A FR877991 A FR 877991A FR 877991D A FR877991D A FR 877991DA FR 877991 A FR877991 A FR 877991A
Authority
FR
France
Prior art keywords
desensitization
sensitive
light
silver halide
halide layers
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR877991A publication Critical patent/FR877991A/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
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
    • C09B5/2409—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position not provided for in one of the sub groups C09B5/26 - C09B5/62
    • C09B5/2436—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position not provided for in one of the sub groups C09B5/26 - C09B5/62 only nitrogen-containing hetero rings
    • 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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/32—Latensification; Densensitisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR877991D 1938-12-12 1941-12-23 Process for the desensitization of silver halide layers, sensitive to light Expired FR877991A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI0063146 1938-12-12

Publications (1)

Publication Number Publication Date
FR877991A true FR877991A (en) 1943-01-07

Family

ID=7195844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877991D Expired FR877991A (en) 1938-12-12 1941-12-23 Process for the desensitization of silver halide layers, sensitive to light

Country Status (4)

Country Link
US (1) US2265138A (en)
BE (1) BE437187A (en)
CH (1) CH217786A (en)
FR (1) FR877991A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6077653A (en) * 1998-07-29 2000-06-20 Eastman Kodak Company Photographic developing compositions and methods of using 1,4-cyclohexanediones as antioxidants

Also Published As

Publication number Publication date
US2265138A (en) 1941-12-09
BE437187A (en)
CH217786A (en) 1941-11-15

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