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
CA846868A
Inventor
Van Es Adrianus
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.)
Akzo NV
Original Assignee
Koninklijke Nederlandse Zoutindustrie NV
Publication date
Application grantedgrantedCritical
Publication of CA846868ApublicationCriticalpatent/CA846868A/en