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 - Lifetime
Application number
AU13621/55A
Inventor
L. Purvis Joseph
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.)
International Minerals and Chemical Corp
Original Assignee
International Minerals and Chemical Corp
Filing date
Publication of AU206265B2publicationCriticalpatent/AU206265B2/en
Application filed by International Minerals and Chemical CorpfiledCriticalInternational Minerals and Chemical Corp