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
CA825067A
Inventor
H. Roth Harold
M. Coughlin William
Tz-Yung Chiu Thomas
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
Publication date
Application grantedgrantedCritical
Publication of CA825067ApublicationCriticalpatent/CA825067A/en