GB460580A - Improvements in photographic development - Google Patents

Improvements in photographic development

Info

Publication number
GB460580A
GB460580A GB21492/35A GB2149235A GB460580A GB 460580 A GB460580 A GB 460580A GB 21492/35 A GB21492/35 A GB 21492/35A GB 2149235 A GB2149235 A GB 2149235A GB 460580 A GB460580 A GB 460580A
Authority
GB
United Kingdom
Prior art keywords
oxyethyl
phenylenediamine
derivatives
aniline
oxyalkyl
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
GB21492/35A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Publication of GB460580A publication Critical patent/GB460580A/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
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/407—Development processes or agents therefor
    • G03C7/413—Developers
    • G03C7/4136—Developers p-Phenylenediamine or derivatives thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB21492/35A 1935-07-24 1935-07-29 Improvements in photographic development Expired GB460580A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF3216D DE889549C (de) 1935-07-24 1935-07-24 Photographischer Entwickler

Publications (1)

Publication Number Publication Date
GB460580A true GB460580A (en) 1937-01-29

Family

ID=27815498

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21492/35A Expired GB460580A (en) 1935-07-24 1935-07-29 Improvements in photographic development

Country Status (7)

Country Link
US (1) US2108243A (fr)
AT (1) AT151322B (fr)
BE (1) BE416619A (fr)
DE (1) DE889549C (fr)
FR (1) FR808377A (fr)
GB (1) GB460580A (fr)
NL (1) NL44835C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611785A (en) * 1952-09-23 N-substituted x
US2596978A (en) * 1947-09-17 1952-05-20 Searle & Co 8-hydroxy-1, 2, 3, 4-tetrahydroquinoline as a silver halide developer
BE786710A (fr) * 1971-10-04 1973-01-25 Bristol Myers Co Composition pour la teinture du cheveu avec
JPH05216191A (ja) * 1992-02-05 1993-08-27 Fuji Photo Film Co Ltd ハロゲン化銀カラー写真感光材料の処理方法

Also Published As

Publication number Publication date
AT151322B (de) 1937-11-10
DE889549C (de) 1953-09-10
US2108243A (en) 1938-02-15
FR808377A (fr) 1937-02-04
BE416619A (fr)
NL44835C (fr)

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