Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
1621681, 162199, 162DIG4, D21C 502, D21C 908
The invention is directed to the use of polyvinyl alcohol to control the problem of "stickies" in waste paper processing.
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Betz Laboratories Inc.
Hill Gregory M.
Ricci Alexander D.
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