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.)
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.)
Imerys Minerals Ltd
Original Assignee
English Clays Lovering Pochin Co Ltd
Publication of AU492388B2publicationCriticalpatent/AU492388B2/en
Priority claimed from GB1603874Aexternal-prioritypatent/GB1500697A/en
Application filed by English Clays Lovering Pochin Co LtdfiledCriticalEnglish Clays Lovering Pochin Co Ltd
Publication of AU7979475ApublicationCriticalpatent/AU7979475A/en