Functionalizing cellulosic and lignocellulosic materials

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Utilizing electrical or radiant energy

Reexamination Certificate

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C162S009000, C162S158000, C162S192000, C428S022000

Reexamination Certificate

active

07867359

ABSTRACT:
Irradiated lignocellulosic or cellulosic materials are provided which contain carboxylic acid groups and/or other functional groups not present in a naturally occurring cellulosic or lignocellulosic material from which the irradiated material was obtained.

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