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
CA722558A
Inventor
R. Holmes William
C. W. Pedder Kenneth
Ogilvie Alexander
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.)
Evonik LCL Ltd
Original Assignee
Kenneth C W Pedder
William R Holmes
Laporte Chemicals Ltd
Publication date
Application grantedgrantedCritical
Publication of CA722558ApublicationCriticalpatent/CA722558A/en