Organic compounds -- part of the class 532-570 series – Organic compounds – Isocyanate esters
Patent
1992-12-04
1998-07-28
Siegel, Alan
Organic compounds -- part of the class 532-570 series
Organic compounds
Isocyanate esters
C07C25100
Patent
active
057865060
ABSTRACT:
A process is described for the separation and recovery of isocyanate monomers from isocyanate concentrates which leaves a residue which is liquid and burnable. The process for the separation and recovery of isocyanate monomers from isocyanate concentrates formed in the production of isocyanates and comprising a volatile isocyanate monomer and by-products comprises the steps of:
(A) preparing a mixture comprising
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Arndt Larry W.
Dibiase Stephen A.
Renbaum Louis A.
Stansfield Gregory M.
Miles Inc.
Siegel Alan
The Lubrizol Corporation
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