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 Zaklady Azotowe Im P FinderafiledCriticalZaklady Azotowe Im P Findera
Priority to PL25132484ApriorityCriticalpatent/PL143055B1/en
Publication of PL251324A1publicationCriticalpatent/PL251324A1/en
Publication of PL143055B1publicationCriticalpatent/PL143055B1/en
Process for the separation and purification of salts of diphenylphosphinephenyl-m-sulphonic acid, phenylphospine-di(m-phenylsulphonic acid) and/or triphenylphosphine-tri-(m-sulphonic acid)