Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
Patent
1994-08-08
1995-08-15
Jones, W. Gary
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Waste paper or textile waste
162 4, 162 6, D21C 502
Patent
active
054416019
ABSTRACT:
A method for deinking of repulped xerographic paper comprising adding an organic polymeric particulate and a substantially water insoluble organic ester to a repulped aqueous slurry containing xerographic toner particles in an amount sufficient to at least partially agglomerate the xerographic toner particles within the slurry to larger particle sizes; and removing the xerographic toner particles from the slurry by one or more liquid/solid separation techniques.
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Cosper David R.
Tubergen Karen R.
De Simone Mark
Drake James J.
Jones W. Gary
Miller Robert A.
Nalco Chemical Company
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