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.)
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IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
Publication date
Priority to CA294939TpriorityCritical
Application grantedgrantedCritical
Publication of CA294939ApublicationCriticalpatent/CA294939A/en