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
CA679129A
Inventor
Nudenberg Walter
T. Pappalardo Leonard
Li Hsiao-Jun
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.)
Texas US Chemical Co
Original Assignee
Hsiao-Jun Li
Texas US Chemical Co
Publication date
Application grantedgrantedCritical
Publication of CA679129ApublicationCriticalpatent/CA679129A/en