Fractionation and purification of mixtures of aromatic polyamine

Details Fractionation and purification of mixtures of aromatic polyamine Fractionation and purification of mixtures of aromatic polyamine

1996-03-28

1997-09-30

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Isocyanate esters

564315, 564331, 564332, 564333, 564334, 564437, 564450, 564451, C07C20986

Patent

active

056727372

ABSTRACT:
The invention relates to a process for the fractionation and purification of mixtures of aromatic polyamines and to the use thereof.

REFERENCES:
patent: 4087459 (1978-05-01), Knofel et al.
patent: 4914236 (1990-04-01), Knofel et al.
patent: 4924028 (1990-05-01), Knofel et al.
patent: 5196591 (1993-03-01), Knofel et al.
patent: 5359141 (1994-10-01), Knofel et al.

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