FI56752C - Vid fotomekaniska foerfaranden anvaendbar ljuskaenslig positivt arbetande komposition och foerfarande foer framstaellning av denna - Google Patents

Vid fotomekaniska foerfaranden anvaendbar ljuskaenslig positivt arbetande komposition och foerfarande foer framstaellning av denna Download PDF

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Publication number
FI56752C
FI56752C FI172972A FI172972A FI56752C FI 56752 C FI56752 C FI 56752C FI 172972 A FI172972 A FI 172972A FI 172972 A FI172972 A FI 172972A FI 56752 C FI56752 C FI 56752C
Authority
FI
Finland
Prior art keywords
diazonium salt
photosensitive
azo compound
novolak resin
color
Prior art date
Application number
FI172972A
Other languages
English (en)
Finnish (fi)
Other versions
FI56752B (fi
Inventor
Peter John Smith
Frank Edward Smith
Original Assignee
Howson Algraphy Ltd
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 Howson Algraphy Ltd filed Critical Howson Algraphy Ltd
Publication of FI56752B publication Critical patent/FI56752B/fi
Application granted granted Critical
Publication of FI56752C publication Critical patent/FI56752C/fi

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  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
FI172972A 1971-06-17 1972-06-16 Vid fotomekaniska foerfaranden anvaendbar ljuskaenslig positivt arbetande komposition och foerfarande foer framstaellning av denna FI56752C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB2857471 1971-06-17
GB2857471 1971-06-17
GB2857472 1972-06-09
GB2857472 1972-06-09

Publications (2)

Publication Number Publication Date
FI56752B FI56752B (fi) 1979-11-30
FI56752C true FI56752C (fi) 1980-03-10

Family

ID=26259454

Family Applications (1)

Application Number Title Priority Date Filing Date
FI172972A FI56752C (fi) 1971-06-17 1972-06-16 Vid fotomekaniska foerfaranden anvaendbar ljuskaenslig positivt arbetande komposition och foerfarande foer framstaellning av denna

Country Status (6)

Country Link
JP (1) JPS5525653B1 (cs)
CS (1) CS168594B2 (cs)
DD (1) DD109093A5 (cs)
DK (1) DK142558B (cs)
FI (1) FI56752C (cs)
IT (1) IT959166B (cs)

Also Published As

Publication number Publication date
CS168594B2 (cs) 1976-06-29
IT959166B (it) 1973-11-10
JPS5525653B1 (cs) 1980-07-08
FI56752B (fi) 1979-11-30
DK142558C (cs) 1981-06-29
DK142558B (da) 1980-11-17
DD109093A5 (cs) 1974-10-12

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