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.)
FRIEDRICH KAPPEN and NIKOLAUS GEISER HELMUT ROLLING
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.)
Rdhrchemie AG
Original Assignee
Rdhrchemie AG
Filing date
Publication date
Application grantedgrantedCritical
Publication of AU491957B2publicationCriticalpatent/AU491957B2/en
Priority claimed from DE2361508Aexternal-prioritypatent/DE2361508C3/en
Application filed by Rdhrchemie AGfiledCriticalRdhrchemie AG
Publication of AU7606074ApublicationCriticalpatent/AU7606074A/en