CH599144A5CH884776ACH884776ACH599144A5CH 599144 A5CH599144 A5CH 599144A5CH 884776 ACH884776 ACH 884776ACH 884776 ACH884776 ACH 884776ACH 599144 A5CH599144 A5CH 599144A5
Authority
CH
Switzerland
Application number
CH884776A
Inventor
Peter Michael Quan
Michael Yelland
Original Assignee
Ici Ltd
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 LtdfiledCriticalIci Ltd
Publication of CH599144A5publicationCriticalpatent/CH599144A5/xx