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 Air Prod & ChemfiledCriticalAir Prod & Chem
Priority to BR116672ApriorityCriticalpatent/BR7201166D0/pt
Publication of BR7201166D0publicationCriticalpatent/BR7201166D0/pt
BR116672A1972-02-291972-02-29Aperfeicoamentos no processo de producao de espuma de polioretana e composicao de catalisador usada no mesmo processo
BR7201166D0
(pt)