Highly purified 1-aminopropanediol-2,3

Details Highly purified 1-aminopropanediol-2,3 Highly purified 1-aminopropanediol-2,3

1997-11-28

1999-03-23

Burn, Brian M.

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

Organic compounds

Amino nitrogen containing

C07C21103

Patent

active

058862285

ABSTRACT:
1-aminopropanediol-2,3 containing 2-aminopropanediol-1,3 of less than 0.30% by weight can be prepared by the present purification process, which comprises distilling a 1-aminopropanediol-2,3 containing at least 0.3% of 2-aminopropanediol-1,3 based on the weight of 1-aminopropanediol-2,3 with a distillation column, said distillation column having low pressure loss.

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Sulzer, Separation cols. for Distillation and Absorbtion, 1985.
European Search Report, Feb. 1995.

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