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
CA641894A
Inventor
O. Gunderson Lewis
Kerst Herman
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.)
Dearborn Chemical Co
Original Assignee
Dearborn Chemical Co
Publication date
Application grantedgrantedCritical
Publication of CA641894ApublicationCriticalpatent/CA641894A/en