Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With non-fiber material added to product
Patent
1981-10-07
1983-07-05
Smith, William F.
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With non-fiber material added to product
162 13, 162 65, 162150, 162 71, 162175, 162206, D21F 1102
Patent
active
043916708
ABSTRACT:
Press dried paper sheets from certain ozonated high yield pulps are disclosed. Such sheets show substantially improved strength over comparable sheets prepared from non-ozonated pulps and over non-press dried sheets from ozonated pulps.
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Bright Royal E.
International Paper Company
Smith William F.
Zielinski W. T.
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