Number | Date | Country | Kind |
---|---|---|---|
4027281 | Aug 1990 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3991132 | Siwiec et al. | Nov 1976 | |
3991133 | Siwiec et al. | Nov 1976 | |
4211691 | Fitzgerald et al. | Jul 1980 | |
4816500 | Corcoran | Mar 1989 | |
5055524 | Pettit et al. | Nov 1991 | |
5057555 | White et al. | Nov 1991 |
Number | Date | Country |
---|---|---|
445639 | Sep 1991 | EPX |
1391863 | Apr 1975 | GBX |
Entry |
---|
Chemical Abstract 88(12): 75 374a. |
Chemical Abstract 82(24): 157 882e. |