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.)
Heinrich Koppers GmbH
Original Assignee
Heinrich Koppers GmbH
Filing date
Publication date
Application filed by Heinrich Koppers GmbHfiledCriticalHeinrich Koppers GmbH
Application grantedgrantedCritical
Publication of AU1778456ApublicationCriticalpatent/AU1778456A/en
Publication of AU216091B2publicationCriticalpatent/AU216091B2/en