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
CA607335A
Inventor
L. Gibboney James
A. Brown Chester
Krueger Fred
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.)
ChampionX LLC
Original Assignee
National Aluminate Corp
Publication date
Application grantedgrantedCritical
Publication of CA607335ApublicationCriticalpatent/CA607335A/en