CA474965A - Lumazines and alloxazines as catalysts in dye bleach baths for color photography - Google Patents

Lumazines and alloxazines as catalysts in dye bleach baths for color photography

Info

Publication number
CA474965A
CA474965A CA474965A CA474965DA CA474965A CA 474965 A CA474965 A CA 474965A CA 474965 A CA474965 A CA 474965A CA 474965D A CA474965D A CA 474965DA CA 474965 A CA474965 A CA 474965A
Authority
CA
Canada
Prior art keywords
lumazines
alloxazines
catalysts
color photography
dye bleach
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
CA474965A
Other languages
French (fr)
Inventor
W. H. Mueller Fritz
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.)
GAF Chemicals Corp
Original Assignee
General Aniline and Film Corp
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.)
Publication date
Application granted granted Critical
Publication of CA474965A publication Critical patent/CA474965A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CA474965A 1948-03-27 Lumazines and alloxazines as catalysts in dye bleach baths for color photography Expired CA474965A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17574A US2518710A (en) 1948-03-27 1948-03-27 Lumazines and alloxazines as catalysts in dye bleach baths for color photography

Publications (1)

Publication Number Publication Date
CA474965A true CA474965A (en) 1951-07-03

Family

ID=21783357

Family Applications (1)

Application Number Title Priority Date Filing Date
CA474965A Expired CA474965A (en) 1948-03-27 Lumazines and alloxazines as catalysts in dye bleach baths for color photography

Country Status (7)

Country Link
US (1) US2518710A (en)
BE (1) BE488117A (en)
CA (1) CA474965A (en)
CH (2) CH279649A (en)
DE (1) DE825206C (en)
FR (1) FR983723A (en)
GB (1) GB657374A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE579274A (en) * 1958-06-03
NL286940A (en) * 1961-12-20

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1758752A (en) * 1927-02-07 1930-05-13 Cutler Hammer Inc Means for protecting contacts of electric switches
GB486006A (en) * 1936-10-27 1938-05-27 Christopher William Crouch Whe Improvements in colour photography
US2410025A (en) * 1936-12-14 1946-10-29 Chromogen Inc Production of colored photographic pictures
USRE22308E (en) * 1936-12-14 1943-05-11 Production of colored photographic
BE434413A (en) * 1938-05-17
BE437332A (en) * 1938-12-12
US2261608A (en) * 1940-03-21 1941-11-04 Merck & Co Inc Alloxazines and isoalloxazines and processes for their production
US2346090A (en) * 1942-08-19 1944-04-04 Eastman Kodak Co Photographic bleach-out layer

Also Published As

Publication number Publication date
DE825206C (en) 1951-12-17
BE488117A (en)
US2518710A (en) 1950-08-15
CH285166A (en) 1952-08-31
FR983723A (en) 1951-06-27
CH279649A (en) 1951-12-15
GB657374A (en) 1951-09-19

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