CH550424A - Procedimento per la preparazione di positivi retinati da utilizzare per incidere lastre per la stampa a colori. - Google Patents

Procedimento per la preparazione di positivi retinati da utilizzare per incidere lastre per la stampa a colori.

Info

Publication number
CH550424A
CH550424A CH1763772A CH1763772A CH550424A CH 550424 A CH550424 A CH 550424A CH 1763772 A CH1763772 A CH 1763772A CH 1763772 A CH1763772 A CH 1763772A CH 550424 A CH550424 A CH 550424A
Authority
CH
Switzerland
Prior art keywords
procedure
preparation
color printing
engraving
sheets
Prior art date
Application number
CH1763772A
Other languages
English (en)
Original Assignee
Pietrafitta Ugo
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 Pietrafitta Ugo filed Critical Pietrafitta Ugo
Publication of CH550424A publication Critical patent/CH550424A/it

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F3/00—Colour separation; Correction of tonal value
    • G03F3/02—Colour separation; Correction of tonal value by retouching

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CH1763772A 1971-12-03 1972-12-04 Procedimento per la preparazione di positivi retinati da utilizzare per incidere lastre per la stampa a colori. CH550424A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3203271A IT943720B (it) 1971-12-03 1971-12-03 Procedimento per la preparazione di positivi retinati da utilizza re per incidere lastre di zinco o simili per la stampa a colori

Publications (1)

Publication Number Publication Date
CH550424A true CH550424A (it) 1974-06-14

Family

ID=11234833

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1763772A CH550424A (it) 1971-12-03 1972-12-04 Procedimento per la preparazione di positivi retinati da utilizzare per incidere lastre per la stampa a colori.

Country Status (5)

Country Link
BE (1) BE792192A (it)
CH (1) CH550424A (it)
DE (1) DE2257932A1 (it)
FR (1) FR2164341A5 (it)
IT (1) IT943720B (it)

Also Published As

Publication number Publication date
IT943720B (it) 1973-04-10
BE792192A (fr) 1973-03-30
FR2164341A5 (it) 1973-07-27
DE2257932A1 (de) 1973-06-14

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Legal Events

Date Code Title Description
PL Patent ceased