Organic compounds -- part of the class 532-570 series – Organic compounds – Isocyanate esters
Reexamination Certificate
2002-02-15
2009-06-09
Puttlitz, Karl J (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Isocyanate esters
Reexamination Certificate
active
07544832
ABSTRACT:
An arrangement for carrying out chemical reactions comprises at least one distillation column and/or at least one container and at least one circulation evaporator, which are connected to one another via connecting elements, liquid being taken off completely or partly from a tray or from a stacked packing bed or from a dumped packing bed or from a liquid collector of the distillation column or being fed as an external feed stream below the lower tube sheet of the circulation evaporator to said evaporator.
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Perry's Chemical Engineers' Handbook (7th Edition), Edited by: Perry, R.H.; Green, D.W. © 1997 McGraw-Hill, p. 11-108.
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Distillation Operation, McGraw-Hill, 1989, p. 97.
Bredehöft Jan Peter
Heck Ludwig E.
Pallasch Hans-Jürgen
Ströfer Eckhard
BASF - Aktiengesellschaft
Borrego Fernando A.
Howard & Howard Attorneys PLLC
Puttlitz Karl J
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