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.)
Expired
Application number
AU691/61A
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.)
Minerals and Chemicals Philipp Corp
Original Assignee
Minerals and Chemicals Philipp Corp
Filing date
Publication date
Application filed by Minerals and Chemicals Philipp CorpfiledCriticalMinerals and Chemicals Philipp Corp
Publication of AU69161ApublicationCriticalpatent/AU69161A/en