Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Reexamination Certificate
2007-10-30
2007-10-30
Carrillo, Sharidan (Department: 1746)
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
C134S008000, C134S022110, C134S022120, C134S022150, C134S022180, C134S030000, C134S034000, C134S026000, C134S037000, C134S042000
Reexamination Certificate
active
10447227
ABSTRACT:
A process for cleaning apparatus in which (meth)acrylic acid-containing organic solvents have been treated and/or generated and contain fouling and/or polymer and residues of organic solvent, in which the apparatus contents are subjected to a steam distillation in the apparatus.
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Diehl Volker
Jäger Ulrich
Schröder Jürgen
Thiel Joachim
BASF - Aktiengesellschaft
Carrillo Sharidan
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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