Process for eliminating the diethanolamine present in triethanol

Details Process for eliminating the diethanolamine present in triethanol Process for eliminating the diethanolamine present in triethanol

1992-10-29

1994-03-08

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

549364, 562567, 564506, 564497, 568494, C07C20984, C07C20986

Patent

active

052929582

ABSTRACT:
Processes for eliminating the diethanolamine present in triethanolamine and the preparation of triethanolamine or compositions containing triethanolamine substantially free from diethanolamine in which the triethanolamine containing diethanolamine is treated with glyoxal in a molar ratio of glyoxal to diethanolamine greater than or equal to 1, then if desired the triethanolamine obtained or the composition containing it is isolated, and their use.

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