CH237798A - Process for the production of subtractive multicolor images by copying a color negative onto a positive material. - Google Patents

Process for the production of subtractive multicolor images by copying a color negative onto a positive material.

Info

Publication number
CH237798A
CH237798A CH237798DA CH237798A CH 237798 A CH237798 A CH 237798A CH 237798D A CH237798D A CH 237798DA CH 237798 A CH237798 A CH 237798A
Authority
CH
Switzerland
Prior art keywords
copying
production
color negative
positive material
multicolor images
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
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 CH237798A publication Critical patent/CH237798A/en

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
    • G03C7/3041—Materials with specific sensitometric characteristics, e.g. gamma, density

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH237798D 1942-10-09 1943-09-18 Process for the production of subtractive multicolor images by copying a color negative onto a positive material. CH237798A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI0073322 1942-10-09

Publications (1)

Publication Number Publication Date
CH237798A true CH237798A (en) 1945-05-31

Family

ID=7197261

Family Applications (1)

Application Number Title Priority Date Filing Date
CH237798D CH237798A (en) 1942-10-09 1943-09-18 Process for the production of subtractive multicolor images by copying a color negative onto a positive material.

Country Status (3)

Country Link
BE (1) BE452630A (en)
CH (1) CH237798A (en)
FR (1) FR897935A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6225037B1 (en) * 1998-08-05 2001-05-01 Eastman Kodak Company Photographic film element with broad blue sensitivity

Also Published As

Publication number Publication date
BE452630A (en)
FR897935A (en) 1945-04-05

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