GB191304513A - Improvements in Photographic Toning Baths. - Google Patents

Improvements in Photographic Toning Baths.

Info

Publication number
GB191304513A
GB191304513A GB191304513DA GB191304513A GB 191304513 A GB191304513 A GB 191304513A GB 191304513D A GB191304513D A GB 191304513DA GB 191304513 A GB191304513 A GB 191304513A
Authority
GB
United Kingdom
Prior art keywords
selenium
acid
toning
photographic
baths
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
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.)
CHEM FAB VORM E SCHERING
Original Assignee
CHEM FAB VORM E SCHERING
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 CHEM FAB VORM E SCHERING filed Critical CHEM FAB VORM E SCHERING
Application granted granted Critical
Publication of GB191304513A publication Critical patent/GB191304513A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/40Chemically transforming developed images
    • G03C5/46Toning

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Printing Plates And Materials Therefor (AREA)
GB191304513D 1912-10-03 1913-02-21 Improvements in Photographic Toning Baths. Expired GB191304513A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE280679T 1912-10-03

Publications (1)

Publication Number Publication Date
GB191304513A true GB191304513A (en) 1913-06-26

Family

ID=34354117

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191304513D Expired GB191304513A (en) 1912-10-03 1913-02-21 Improvements in Photographic Toning Baths.

Country Status (3)

Country Link
DE (1) DE280679C (enrdf_load_stackoverflow)
FR (1) FR455883A (enrdf_load_stackoverflow)
GB (1) GB191304513A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR455883A (fr) 1913-08-11
DE280679C (enrdf_load_stackoverflow)

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