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
CA864311A
Inventor
Huval Malcolm
J. Olson Robert
L. Ellis George
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.)
Chevron USA Inc
Johnson and Johnson
Original Assignee
Chevron Research and Technology Co
Johnson and Johnson
Publication date
Application grantedgrantedCritical
Publication of CA864311ApublicationCriticalpatent/CA864311A/en