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.)
Engelhard Minerals and Chemicals Corp
Original Assignee
Engelhard Minerals and Chemicals Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US424474Aexternal-prioritypatent/US3902977A/en
Application filed by Engelhard Minerals and Chemicals CorpfiledCriticalEngelhard Minerals and Chemicals Corp
Application grantedgrantedCritical
Publication of AU7622274ApublicationCriticalpatent/AU7622274A/en
Publication of AU487606B2publicationCriticalpatent/AU487606B2/en