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
Priority claimed from GB19327/76Aexternal-prioritypatent/GB1524747A/en
Application filed by Ici PlcfiledCriticalIci Plc
Priority to AT328084ApriorityCriticalpatent/AT379596B/de
Publication of ATA328084ApublicationCriticalpatent/ATA328084A/de
Application grantedgrantedCritical
Publication of AT379596BpublicationCriticalpatent/AT379596B/de