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
CA842288A
Inventor
E. Braid John
C. P. Cubbon Robert
Preston Ronald
E. Oates Alfred
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
Alfred E Oates
John E Braid
Robert C P Cubbon
Ronald Preston
Laporte Chemicals Ltd
Publication date
Application grantedgrantedCritical
Publication of CA842288ApublicationCriticalpatent/CA842288A/en