CA528734A - Photographic developers containing diaminopropanol tetracetic acid - Google Patents

Photographic developers containing diaminopropanol tetracetic acid

Info

Publication number
CA528734A
CA528734A CA528734A CA528734DA CA528734A CA 528734 A CA528734 A CA 528734A CA 528734 A CA528734 A CA 528734A CA 528734D A CA528734D A CA 528734DA CA 528734 A CA528734 A CA 528734A
Authority
CA
Canada
Prior art keywords
diaminopropanol
tetracetic acid
developers containing
photographic developers
photographic
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
CA528734A
Other languages
English (en)
French (fr)
Inventor
E. Piper Douglas
W. Henn Richard
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.)
Canadian Kodak Co Ltd
Original Assignee
Canadian Kodak Co Ltd
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 CA528734A publication Critical patent/CA528734A/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
    • G03C5/3053—Tensio-active agents or sequestering agents, e.g. water-softening or wetting agents

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA528734A 1952-02-12 Photographic developers containing diaminopropanol tetracetic acid Expired CA528734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US271284A US2656273A (en) 1952-02-12 1952-02-12 Photographic developers containing diamino-propanol tetracetic acid

Publications (1)

Publication Number Publication Date
CA528734A true CA528734A (en) 1956-08-07

Family

ID=23034929

Family Applications (1)

Application Number Title Priority Date Filing Date
CA528734A Expired CA528734A (en) 1952-02-12 Photographic developers containing diaminopropanol tetracetic acid

Country Status (4)

Country Link
US (1) US2656273A (forum.php)
CA (1) CA528734A (forum.php)
FR (1) FR1085004A (forum.php)
GB (1) GB725573A (forum.php)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2860978A (en) * 1954-04-01 1958-11-18 Eastman Kodak Co Photographic washing accelerators
US2759824A (en) * 1954-05-18 1956-08-21 Ralph B Atkinson Method of photographic processing and developer therefor
BE562088A (forum.php) * 1956-11-05
BE620350A (forum.php) * 1957-10-25
US3260598A (en) * 1961-05-29 1966-07-12 Eastman Kodak Co Photographic element-developer system
US3189454A (en) * 1961-10-16 1965-06-15 Eastman Kodak Co Method of photographic development and fixing
NL277701A (forum.php) * 1962-04-26
DE1472752C3 (de) * 1965-05-03 1978-12-07 Agfa-Gevaert Ag, 5090 Leverkusen Entwicklerkonzentrat
US5399457A (en) * 1993-10-15 1995-03-21 Minnesota Mining And Manufacturing Company Process for reducing sludge in diffusion transfer printing plates
EP0913330A1 (fr) 1997-10-20 1999-05-06 Cefma Dispositif pour réaliser une découpe dans l'enveloppe d'un fardeau en défilement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE421930A (forum.php) * 1936-06-25
US2407645A (en) * 1943-06-21 1946-09-17 Martin Dennis Company Aliphatic polycarboxylic amino acids and process of making them
US2544649A (en) * 1949-01-14 1951-03-13 Frederick C Bersworth Caustic alkali composition of matter and its use as a polyvalent metal precipitationinhibitor

Also Published As

Publication number Publication date
FR1085004A (forum.php) 1955-01-26
GB725573A (en) 1955-03-09
US2656273A (en) 1953-10-20

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