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
CA689457A
Inventor
Riedl Hans-Joachim
Schluter Heinz
Sauermilch 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.)
Wasag Chemie AG
Original Assignee
Wasag Chemie AG
Publication date
Application grantedgrantedCritical
Publication of CA689457ApublicationCriticalpatent/CA689457A/en