Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1996-04-17
1997-01-14
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
564 59, C07C27318, C07D23332, C07D23334
Patent
active
055941494
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 et al.
patent: 4731453 (1988-03-01), Nagata et al.
Mizuta Hideki
Nagata Teruyuki
Naruse Hiroshi
Umeda Shin'ichi
Mitsui Toatsu Chemicals Inc.
Raymond Richard L.
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