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
CA777800A
Inventor
Pfleger Robert
Bertholdt Heinz
Schulz Wolfram
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 DR R PFLEGER
Original Assignee
CHEMISCHE FABRIK DR R PFLEGER
Publication date
Application grantedgrantedCritical
Publication of CA777800ApublicationCriticalpatent/CA777800A/en