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.)
WestRock MWV LLC
Original Assignee
Westvaco Corp
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
Application filed by Westvaco CorpfiledCriticalWestvaco Corp
Priority to CA 2031295priorityCriticalpatent/CA2031295C/fr
Publication of CA2031295A1publicationCriticalpatent/CA2031295A1/fr
Application grantedgrantedCritical
Publication of CA2031295CpublicationCriticalpatent/CA2031295C/fr