FR791938A - Method for influencing the tone of photographic developing images - Google Patents

Method for influencing the tone of photographic developing images

Info

Publication number
FR791938A
FR791938A FR791938DA FR791938A FR 791938 A FR791938 A FR 791938A FR 791938D A FR791938D A FR 791938DA FR 791938 A FR791938 A FR 791938A
Authority
FR
France
Prior art keywords
influencing
tone
photographic developing
developing images
images
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 FR791938A publication Critical patent/FR791938A/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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29—Development processes or agents therefor
    • G03C5/305—Additives other than developers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR791938D 1935-07-01 1935-07-01 Method for influencing the tone of photographic developing images Expired FR791938A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR791938T 1935-07-01

Publications (1)

Publication Number Publication Date
FR791938A true FR791938A (en) 1935-12-19

Family

ID=9228352

Family Applications (1)

Application Number Title Priority Date Filing Date
FR791938D Expired FR791938A (en) 1935-07-01 1935-07-01 Method for influencing the tone of photographic developing images

Country Status (1)

Country Link
FR (1) FR791938A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432506A (en) * 1943-11-26 1947-12-16 Ilford Ltd Treatment of developed silver images with mercapto-tetrazole and triazole compounds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432506A (en) * 1943-11-26 1947-12-16 Ilford Ltd Treatment of developed silver images with mercapto-tetrazole and triazole compounds

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