PL41470B1 - - Google Patents

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Publication number
PL41470B1
PL41470B1 PL41470A PL4147056A PL41470B1 PL 41470 B1 PL41470 B1 PL 41470B1 PL 41470 A PL41470 A PL 41470A PL 4147056 A PL4147056 A PL 4147056A PL 41470 B1 PL41470 B1 PL 41470B1
Authority
PL
Poland
Prior art keywords
diaphragm
condensation
phenolsulfonic acid
compound containing
aldehyde groups
Prior art date
Application number
PL41470A
Other languages
English (en)
Polish (pl)
Filing date
Publication date
Application filed filed Critical
Publication of PL41470B1 publication Critical patent/PL41470B1/pl

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PL41470A 1956-12-08 PL41470B1 (cs)

Publications (1)

Publication Number Publication Date
PL41470B1 true PL41470B1 (cs) 1958-08-15

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