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
CA876944A
Inventor
G. Palmer Malcolm
A. Ridgway Frederick
L. M. Roberts Edwin
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.)
Solvay Solutions UK Ltd
Original Assignee
Albright and Wilson Ltd
Publication date
Application grantedgrantedCritical
Publication of CA876944ApublicationCriticalpatent/CA876944A/en