GB1378172A - Radiographic silver halide elements - Google Patents

Radiographic silver halide elements

Info

Publication number
GB1378172A
GB1378172A GB3081474A GB3081474A GB1378172A GB 1378172 A GB1378172 A GB 1378172A GB 3081474 A GB3081474 A GB 3081474A GB 3081474 A GB3081474 A GB 3081474A GB 1378172 A GB1378172 A GB 1378172A
Authority
GB
United Kingdom
Prior art keywords
silver
development
silver halide
emulsion
exposure
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
GB3081474A
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.)
Agfa Gevaert NV
Agfa Gevaert AG
Original Assignee
Agfa Gevaert NV
Agfa Gevaert 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 Agfa Gevaert NV, Agfa Gevaert AG filed Critical Agfa Gevaert NV
Priority to GB3081474A priority Critical patent/GB1378172A/en
Publication of GB1378172A publication Critical patent/GB1378172A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/16X-ray, infrared, or ultraviolet ray processes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

1378172 Photographic silver halide material AGFA-GEVAERT 20 Dec 1971 [5 Jan 1971] 30814/74 Divided out of 1378171 Heading G2C A radiographic silver halide element comprises a support bearing at each side thereof a lightsensitive layer containing a colour coupler which upon coupling with an oxidized aromatic primary amino colour developer forms a dye mainly absorbing in the green and red spectral regions; wherein the light-sensitive layers are composed of a mixture of two independently prepared silver halide emulsions one of which is capable of producing a visible image by an exposure and subsequent development as above and the other of which is a silver chloride containing emulsion whose speed is so low that no visible image is produced therein by the said exposure and development. The colour coupler may be a phenol or α-naphthol type. The image forming emulsion may be silver chloride, silver bromide, silver chlorobromide, silver bromoiodide or silver chlorobromoiodide. The low speed emulsion may be silver chloride or silver chlorobromide. Development is carried out at a temperature of at least 30‹C . The low speed emulsion prevents the gradation being reduced by rapid development at elevated temperatures.
GB3081474A 1971-12-20 1971-12-20 Radiographic silver halide elements Expired GB1378172A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3081474A GB1378172A (en) 1971-12-20 1971-12-20 Radiographic silver halide elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3081474A GB1378172A (en) 1971-12-20 1971-12-20 Radiographic silver halide elements

Publications (1)

Publication Number Publication Date
GB1378172A true GB1378172A (en) 1974-12-27

Family

ID=10313561

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3081474A Expired GB1378172A (en) 1971-12-20 1971-12-20 Radiographic silver halide elements

Country Status (1)

Country Link
GB (1) GB1378172A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee