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
CA780956A
Inventor
Heidel Klaus
Schick Anton
Jenker Herbert
Praetzel Hans-Eberhard
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.)
Chemische Fabrik Kalk GmbH
Huels AG
Original Assignee
Anton Schick
Herbert Jenker
Klaus Heidel
Chemische Fabrik Kalk GmbH
Chemische Werke Huels AG
Publication date
Application grantedgrantedCritical
Publication of CA780956ApublicationCriticalpatent/CA780956A/en