Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
Patent
1997-03-17
1998-10-27
Chin, Peter
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Waste paper or textile waste
162 4, D21C 502
Patent
active
058273972
ABSTRACT:
This invention related to a process for the deinking of a mixture of xerographically printed wastepaper stocks and ledger printed wastepaper stocks which comprises:
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Chin Peter
Leavitt Steven B.
McCollough Pamela J.
Shell Oil Company
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