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 Collardon LouisfiledCriticalCollardon Louis
Application grantedgrantedCritical
Publication of NL1380CpublicationCriticalpatent/NL1380C/en
NL1944A1912-01-201913-01-18
Method for the production of phenolformaldehyde condensation products as starting material for paints and varnishes
NL1380C
(en)