Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1995-06-26
1996-12-10
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
5483164, 5483261, C07C27514
Patent
active
055832563
ABSTRACT:
A novel bis-urea compound, preparation process of the compound, and preparation process of 1,3-dialkyl-2-imidazolidinone are disclosed and the disclosure provides a novel preparation process of 1,3-dialkyl-2-imidazolidinone and simultaneously enables effective utilization of N,N',N"-trialkyldiethylentriamine which lacks a large amount use and is desired to develop new application.
REFERENCES:
patent: 2340045 (1944-01-01), D'Alelio
Mizuta Hideki
Nagata Teruyuki
Naruse Hiroshi
Umeda Shin'ichi
Mitsui Toatsu Chemicals Inc.
Raymond Richard L.
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