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.)
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.)
Chemtool Inc
Original Assignee
Chemtool Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CA213,278Aexternal-prioritypatent/CA1038307A/fr
Application filed by Chemtool IncfiledCriticalChemtool Inc
Priority to CA293,102ApriorityCriticalpatent/CA1064407A/fr
Application grantedgrantedCritical
Publication of CA1064407ApublicationCriticalpatent/CA1064407A/fr