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.)
Kemira Oyj
Original Assignee
Kemira Oyj
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 FI3604/73Aexternal-prioritypatent/FI53661C/en
Application filed by Kemira OyjfiledCriticalKemira Oyj
Application grantedgrantedCritical
Publication of AU7539874ApublicationCriticalpatent/AU7539874A/en
Publication of AU493580B2publicationCriticalpatent/AU493580B2/en