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
CA846902A
Inventor
Schafer Johannes
Engel Frederico
Berg Gerhard
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.)
Huels AG
Original Assignee
Frederico Engel
Gerhard Berg
Chemische Werke Huels AG
Publication date
Application grantedgrantedCritical
Publication of CA846902ApublicationCriticalpatent/CA846902A/en