Method for treating kraft pulp with optical brighteners...

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Treatment with particular chemical

Reexamination Certificate

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C162S072000, C008S648000

Reexamination Certificate

active

07638016

ABSTRACT:
The present invention relates to a method of increasing the brightness of pulp, pulp made from such methods and methods of using such pulp.

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