CH511124A - Process for photographic or thermographic copying of halftone or line originals - Google Patents

Process for photographic or thermographic copying of halftone or line originals

Info

Publication number
CH511124A
CH511124A CH23969A CH23969A CH511124A CH 511124 A CH511124 A CH 511124A CH 23969 A CH23969 A CH 23969A CH 23969 A CH23969 A CH 23969A CH 511124 A CH511124 A CH 511124A
Authority
CH
Switzerland
Prior art keywords
halftone
photographic
thermographic copying
line originals
originals
Prior art date
Application number
CH23969A
Other languages
German (de)
Inventor
Lucien Boot Albert
Alois Brandt Rene
Original Assignee
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 Ag filed Critical Agfa Gevaert Ag
Publication of CH511124A publication Critical patent/CH511124A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/56—Ring systems containing three or more rings
    • C07D209/58—[b]- or [c]-condensed
    • C07D209/60—Naphtho [b] pyrroles; Hydrogenated naphtho [b] pyrroles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04—Indoles; Hydrogenated indoles
    • C07D209/08—Indoles; Hydrogenated indoles with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D293/00—Heterocyclic compounds containing rings having nitrogen and selenium or nitrogen and tellurium, with or without oxygen or sulfur atoms, as the ring hetero atoms
    • C07D293/10—Heterocyclic compounds containing rings having nitrogen and selenium or nitrogen and tellurium, with or without oxygen or sulfur atoms, as the ring hetero atoms condensed with carbocyclic rings or ring systems
    • C07D293/12—Selenazoles; Hydrogenated selenazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
CH23969A 1968-01-09 1969-01-09 Process for photographic or thermographic copying of halftone or line originals CH511124A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0320/68A GB1245261A (en) 1968-01-09 1968-01-09 Improvements relating to diazotype copying

Publications (1)

Publication Number Publication Date
CH511124A true CH511124A (en) 1971-08-15

Family

ID=9719952

Family Applications (1)

Application Number Title Priority Date Filing Date
CH23969A CH511124A (en) 1968-01-09 1969-01-09 Process for photographic or thermographic copying of halftone or line originals

Country Status (3)

Country Link
US (1) US3620741A (en)
CH (1) CH511124A (en)
GB (1) GB1245261A (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532744A (en) * 1945-07-04 1950-12-05 Gen Aniline & Film Corp Diazotype containing as the azo component a quaternary salt of 2-methyl-6-methoxy-benzoselenazole
US2789904A (en) * 1953-09-17 1957-04-23 Gen Aniline & Film Corp Diazo print process
US2815338A (en) * 1954-05-13 1957-12-03 Ciba Ltd Basic azo dyestuffs
FR1123399A (en) * 1955-03-11 1956-09-20 Improvements to photosensitive products for diazotyping
US3392020A (en) * 1956-05-14 1968-07-09 Eastman Kodak Co Photo-thermographic process and element
NL264445A (en) * 1959-04-22
NL271279A (en) * 1960-02-01
NL6411489A (en) * 1963-10-12 1965-04-13

Also Published As

Publication number Publication date
GB1245261A (en) 1971-09-08
US3620741A (en) 1971-11-16

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Legal Events

Date Code Title Description
PL Patent ceased