Number | Date | Country | Kind |
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98.05547 | Apr 1998 | FRX |
Number | Name | Date | Kind |
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2915529 | Bell et al. | Dec 1959 |
Number | Date | Country |
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0 443 758 A1 | Aug 1991 | EPX |
0 581 431 A2 | Feb 1994 | EPX |
2 733 232 | Oct 1996 | FRX |
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Abbas-Alli G. Shaikh et al., "Organic Carbonates", Chemical Reviews, 1996 l. 96, No. 3, pp. 951-976, American Chemical Society. |
Peter Ball et al., "Synthesis of Carbonates and Polycarbonates by Reaction of Urea with Hydroxy Compounds", 1984, vol. 1, pp. 95-108, Harwood Academic Publishers GMBH. |