Number | Date | Country | Kind |
---|---|---|---|
8518869 | Jul 1985 | GBX | |
8610910 | May 1986 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3936443 | Gregson et al. | Feb 1976 | |
4284631 | Takaya et al. | Aug 1981 | |
4344939 | Niemers et al. | Aug 1972 | |
4376203 | Heyles et al. | Mar 1983 | |
4507487 | Kamachi et al. | Mar 1985 |
Number | Date | Country |
---|---|---|
0045937 | Feb 1982 | EPX |
1399087 | Jun 1975 | GBX |
1536281 | Dec 1978 | GBX |
Entry |
---|
Chem. Abs. (1977), 87, p. 480, 53335r. |