Number | Date | Country | Kind |
---|---|---|---|
2001-305917 | Oct 2001 | JP |
Number | Date | Country |
---|---|---|
357047 | Mar 1990 | EP |
116183 | Apr 1994 | JP |
11-240867 | Sep 1999 | JP |
Entry |
---|
Vasil'ev, A.A et al, Izvestiya Akademii Naic SSSR, Seriya Khimicheskaya (1990),(3) 710-12.* |
Petrosyan et al., Russian Chemical Bulletin, 43(1): 84-88 (1994). |