CH602884A5CH1325275ACH1325275ACH602884A5CH 602884 A5CH602884 A5CH 602884A5CH 1325275 ACH1325275 ACH 1325275ACH 1325275 ACH1325275 ACH 1325275ACH 602884 A5CH602884 A5CH 602884A5
Authority
CH
Switzerland
Application number
CH1325275A
Inventor
David Brierley
Denis Robert Annesley Ridyard
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 CH602884A5publicationCriticalpatent/CH602884A5/xx