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.)
LINDLEY LENG BRIAN PARTON DENIS ROBERT ANNESLEY RIDYARD and JOHN LAWSON JOHN
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 date
Priority claimed from GB457674*[Aexternal-prioritypatent/GB1450746A/en
Application filed by Imperial Chemical Industries LtdfiledCriticalImperial Chemical Industries Ltd
Application grantedgrantedCritical
Publication of AU489997B2publicationCriticalpatent/AU489997B2/en
Publication of AU7713775ApublicationCriticalpatent/AU7713775A/en