PL42172B3 - - Google Patents

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Publication number
PL42172B3
PL42172B3 PL42172A PL4217257A PL42172B3 PL 42172 B3 PL42172 B3 PL 42172B3 PL 42172 A PL42172 A PL 42172A PL 4217257 A PL4217257 A PL 4217257A PL 42172 B3 PL42172 B3 PL 42172B3
Authority
PL
Poland
Prior art keywords
weight
parts
alkali
condensation
phenylenediamine
Prior art date
Application number
PL42172A
Other languages
English (en)
Polish (pl)
Filing date
Publication date
Application filed filed Critical
Publication of PL42172B3 publication Critical patent/PL42172B3/pl

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PL42172A 1957-04-19 PL42172B3 (cs)

Publications (1)

Publication Number Publication Date
PL42172B3 true PL42172B3 (cs) 1959-06-15

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