CA1332920CCA 554446CA554446ACA1332920CCA 1332920 CCA1332920 CCA 1332920CCA 554446 CA554446 CA 554446CA 554446 ACA554446 ACA 554446ACA 1332920 CCA1332920 CCA 1332920C
Authority
CA
Canada
Prior art keywords
filter
nonwoven
nonwoven filter
filtration
denier
Prior art date
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.)
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International Paper Co
Original Assignee
International Paper Co
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Filing date
Publication date
Application filed by International Paper CofiledCriticalInternational Paper Co
Application grantedgrantedCritical
Publication of CA1332920CpublicationCriticalpatent/CA1332920C/fr