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
CA694485A
Inventor
K. Jones Gordon
A. Saunders John
H. Sinclair Lester
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.)
FULLERS EARTH UNION Ltd
Original Assignee
FULLERS EARTH UNION Ltd
Publication date
Application grantedgrantedCritical
Publication of CA694485ApublicationCriticalpatent/CA694485A/en