Cleaning and liquid contact with solids – Processes – Including regeneration – purification – recovery or separation...
Patent
1995-03-24
1997-05-13
Warden, Jill
Cleaning and liquid contact with solids
Processes
Including regeneration, purification, recovery or separation...
134 29, 521 40, 521 48, B08B 308, C08J 1104
Patent
active
056288328
ABSTRACT:
Adhesive is removed from polyester film which is initially formed into a flake followed by a series of removal and separating steps. In a preferred mode a clarified liquid which results from stripping solution is recycled for further use in adhesive removal.
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Graham William E.
Jones Richard R. M.
Chaudhry Saeed
E. I. Du Pont de Nemours and Company
Warden Jill
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