FR514016A - Perfectionnements aux procédés de virage utilisant le soufre colloidal naissant - Google Patents

Perfectionnements aux procédés de virage utilisant le soufre colloidal naissant

Info

Publication number
FR514016A
FR514016A FR514016A FR514016DA FR514016A FR 514016 A FR514016 A FR 514016A FR 514016 A FR514016 A FR 514016A FR 514016D A FR514016D A FR 514016DA FR 514016 A FR514016 A FR 514016A
Authority
FR
France
Prior art keywords
nascent
colloidal sulfur
toning processes
toning
processes
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
FR514016A
Other languages
English (en)
Inventor
Marcel Gaudet
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.)
MARCEL GAUDET
Original Assignee
MARCEL GAUDET
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 MARCEL GAUDET filed Critical MARCEL GAUDET
Application granted granted Critical
Publication of FR514016A publication Critical patent/FR514016A/fr
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
    • G03C5/40—Chemically transforming developed images
    • G03C5/46—Toning

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR514016A 1919-10-15 1919-10-15 Perfectionnements aux procédés de virage utilisant le soufre colloidal naissant Expired FR514016A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR514016T 1919-10-15

Publications (1)

Publication Number Publication Date
FR514016A true FR514016A (fr) 1921-03-01

Family

ID=8913921

Family Applications (1)

Application Number Title Priority Date Filing Date
FR514016A Expired FR514016A (fr) 1919-10-15 1919-10-15 Perfectionnements aux procédés de virage utilisant le soufre colloidal naissant

Country Status (1)

Country Link
FR (1) FR514016A (fr)

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