US2754209A - Light-sensitive para quinone diazides for making printing plates - Google Patents

Light-sensitive para quinone diazides for making printing plates Download PDF

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Publication number
US2754209A
US2754209A US292749A US29274952A US2754209A US 2754209 A US2754209 A US 2754209A US 292749 A US292749 A US 292749A US 29274952 A US29274952 A US 29274952A US 2754209 A US2754209 A US 2754209A
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US
United States
Prior art keywords
acid
light
solution
formula
diazide
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 - Lifetime
Application number
US292749A
Inventor
Schmidt Maximilian Paul
Sus Oskar
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Azoplate Corp
Original Assignee
Azoplate Corp
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.)
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Publication date
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Priority to US292749A priority Critical patent/US2754209A/en
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Publication of US2754209A publication Critical patent/US2754209A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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