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
CA899653A
Inventor
Crepin Jean-Claude
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.)
Choay SA
Original Assignee
Choay SA
Publication date
Application grantedgrantedCritical
Publication of CA899653ApublicationCriticalpatent/CA899653A/en