Durable paper

Details Durable paper Durable paper

2011-06-28

2011-06-28

Fortuna, José A (Department: 1741)

Paper making and fiber liberation

Processes and products

Plural fiber containing

C162S157300, C162S141000, C428S340000, C428S221000

Reexamination Certificate

active

07967952

ABSTRACT:
The present invention relates to a durable paper or paperboard substrate containing an effective amount of synthetic fibers and having enhanced strength in the machine direction and the cross direction, as well enhanced strength through the cross section of the sheet. The present invention further relates to methods of making and using the substrate.

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