BE430669A - - Google Patents

Info

Publication number
BE430669A
BE430669A BE430669DA BE430669A BE 430669 A BE430669 A BE 430669A BE 430669D A BE430669D A BE 430669DA BE 430669 A BE430669 A BE 430669A
Authority
BE
Belgium
Application number
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 of BE430669A publication Critical patent/BE430669A/xx

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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
BE430669D 1937-10-29 BE430669A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI0059433 1937-10-29

Publications (1)

Publication Number Publication Date
BE430669A true BE430669A (en)

Family

ID=7195009

Family Applications (1)

Application Number Title Priority Date Filing Date
BE430669D BE430669A (en) 1937-10-29

Country Status (4)

Country Link
US (1) US2172216A (en)
BE (1) BE430669A (en)
FR (1) FR844866A (en)
GB (1) GB520753A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2517111A (en) * 1946-11-14 1950-08-01 Jahoda Edward Light-sensitive blueprint layer and process of producing the same
US2541470A (en) * 1947-05-28 1951-02-13 Eastman Kodak Co Photographic silver halide developing solutions containing calcium precipitation inhibitors
US2657138A (en) * 1950-01-03 1953-10-27 Leonard A Robbins Photographic film developing composition containing beta, beta'-di-chloroethyl ether
US2666700A (en) * 1950-09-06 1954-01-19 Du Pont Process of preparing a light sensitive silver halide emulsion
US2860978A (en) * 1954-04-01 1958-11-18 Eastman Kodak Co Photographic washing accelerators
US2979406A (en) * 1956-04-11 1961-04-11 Gen Aniline & Film Corp Single powder photographic developers
US4340665A (en) * 1981-03-04 1982-07-20 E. I. Du Pont De Nemours And Company Silver halide film
US4816384A (en) * 1986-10-09 1989-03-28 E. I. Du Pont De Nemours And Company Powdered packaged developer

Also Published As

Publication number Publication date
FR844866A (en) 1939-08-03
US2172216A (en) 1939-09-05
GB520753A (en) 1940-05-02

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