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 Ici Ltd, John Stagg Byers, John Cuthbert SwallowfiledCriticalIci Ltd
Priority to IE12347ApriorityCriticalpatent/IE17931L/en
Publication of IE17931LpublicationCriticalpatent/IE17931L/en