Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
Patent
1995-07-20
1997-08-19
Czaja, Donald E.
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Waste paper or textile waste
D21C 502
Patent
active
056584261
ABSTRACT:
Deinking of printed paper is accomplished by repulping and defibering the printed paper in an alkaline aqueous medium containing a deinking composition to form an ink and pulp medium. The deinking composition is an alkoxylated lanolin derivative containing from about 55 to about 80% by weight of ethylene oxide and from about 15 to about 30% by weight of propylene oxide, based on the weight of the alkoxylated lanolin derivative.
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Cook Anthony B.
Howell Gail M.
Rodriguez Jose M.
Czaja Donald E.
Fortune Jose A.
Geo Specialty Chemicals, Inc.
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