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
CA732611A
Inventor
Bohler Walter
Schmidt Alfred
Schweighofer Johann
Weinrotter Ferdinand
Krulla Wilfried
Muller Walter
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.)
Osterreichische Stickstoffwerke AG
Original Assignee
Osterreichische Stickstoffwerke AG
Publication date
Application grantedgrantedCritical
Publication of CA732611ApublicationCriticalpatent/CA732611A/en