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
CA917390A
Inventor
Horton Anthony
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 LIL Ltd
Original Assignee
Anthony Horton
Laporte Industries Ltd
Publication date
Application grantedgrantedCritical
Publication of CA917390ApublicationCriticalpatent/CA917390A/en