Cleaning and liquid contact with solids – Processes – Including regeneration – purification – recovery or separation...
Patent
1996-10-16
1997-12-16
Warden, Jill
Cleaning and liquid contact with solids
Processes
Including regeneration, purification, recovery or separation...
134 10, 134 11, 134 31, 134 37, B08B 704
Patent
active
056980450
ABSTRACT:
The present invention is directed to a method of removing polymer residue from chemical processing equipment, comprising contacting said residue with NMP vapors.
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James Lawrence E.
Monahan William
Waldrop Mark W.
Walsh William C.
BASF Corporation
Carrillo Sharidan
Warden Jill
Will Joanne P.
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