CH424478A - Process for the production of direct positive images in color - Google Patents

Process for the production of direct positive images in color

Info

Publication number
CH424478A
CH424478A CH922562A CH922562A CH424478A CH 424478 A CH424478 A CH 424478A CH 922562 A CH922562 A CH 922562A CH 922562 A CH922562 A CH 922562A CH 424478 A CH424478 A CH 424478A
Authority
CH
Switzerland
Prior art keywords
color
production
direct positive
positive images
images
Prior art date
Application number
CH922562A
Other languages
French (fr)
Inventor
Jaeken Jan
Antoine De Ramaix Maurice
Original Assignee
Gevaert Photo Prod Nv
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 Gevaert Photo Prod Nv filed Critical Gevaert Photo Prod Nv
Publication of CH424478A publication Critical patent/CH424478A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/16—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms
    • C07D295/18—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms by radicals derived from carboxylic acids, or sulfur or nitrogen analogues thereof
    • C07D295/195—Radicals derived from nitrogen analogues of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
    • C07D277/60—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings condensed with carbocyclic rings or ring systems
    • C07D277/62—Benzothiazoles
    • C07D277/68—Benzothiazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
    • C07D277/82—Nitrogen atoms
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Plural Heterocyclic Compounds (AREA)
CH922562A 1961-08-02 1962-08-02 Process for the production of direct positive images in color CH424478A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28040/61A GB990628A (en) 1961-08-02 1961-08-02 Process for the preparation of colour images

Publications (1)

Publication Number Publication Date
CH424478A true CH424478A (en) 1966-11-15

Family

ID=10269301

Family Applications (1)

Application Number Title Priority Date Filing Date
CH922562A CH424478A (en) 1961-08-02 1962-08-02 Process for the production of direct positive images in color

Country Status (7)

Country Link
US (1) US3293032A (en)
AT (1) AT250784B (en)
BE (1) BE620977A (en)
CH (1) CH424478A (en)
DE (1) DE1146751B (en)
FR (1) FR1335232A (en)
GB (1) GB990628A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1175072B (en) * 1963-04-11 1964-07-30 Agfa Ag Photographic light-sensitive material comprising at least one halide silver emulsion layer
DE1195164B (en) * 1964-03-20 1965-06-16 Agfa Ag Process for the preparation of direct positive color photographic images
DE1213241B (en) * 1964-07-24 1966-03-24 Agfa Gevaert Ag Process for the preparation of direct positive dye photographic images
US3457077A (en) * 1965-05-26 1969-07-22 Agfa Gevaert Ag Photographic couplers
GB1166655A (en) * 1966-09-19 1969-10-08 Agfa Gevaert Nv Improved Photographic Colour Process and Light-Sensitive Elements
US3711546A (en) * 1966-12-02 1973-01-16 M Simon N-(ortho-substituted benzene or naphthalene carboxamidoethyle)para-phenylene diamines as coupler-developers
GB1299441A (en) * 1969-02-04 1972-12-13 Agfa Gevaert Process for preparing colour images
FR2089285A5 (en) * 1970-04-09 1972-01-07 Agfa Gevaert Nv
US4022616A (en) * 1974-06-03 1977-05-10 Eastman Kodak Company Photographic process involving amplification with CO (III) complexes, silver-dye-bleaching and colorless dye formers which form bleachable dyes
DE3363956D1 (en) * 1982-11-12 1986-07-10 Agfa Gevaert Nv Photographic colour material incorporating developing agents for colour development
JPH03206450A (en) * 1990-01-09 1991-09-09 Fuji Photo Film Co Ltd Novel dye forming coupler and silver halide color photographic sensitive material formed by using this coupler and processing method for this material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2020775A (en) * 1930-11-07 1935-11-12 Bela Gaspar Method of producing photographic pictures in colors
US2263012A (en) * 1937-12-23 1941-11-18 Eastman Kodak Co Process for making natural color photographs
NL246283A (en) * 1958-12-11
GB975940A (en) * 1959-11-30 1964-11-25 Gevaert Photo Prod Nv Improvements in or relating to the production of colour photographic images

Also Published As

Publication number Publication date
GB990628A (en) 1965-04-28
BE620977A (en)
US3293032A (en) 1966-12-20
DE1146751B (en) 1963-04-04
FR1335232A (en) 1963-08-16
AT250784B (en) 1966-11-25

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