Legal status (The legal status 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 status listed.)
DOUGLAS BROWN end EDWARD RAYMOND HALSTEAD WALKER EDWARD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
Filing date
Publication of AU492502B2publicationCriticalpatent/AU492502B2/en
Priority claimed from GB3303073Aexternal-prioritypatent/GB1435757A/en
Application filed by Imperial Chemical Industries LtdfiledCriticalImperial Chemical Industries Ltd
Publication of AU7038674ApublicationCriticalpatent/AU7038674A/en