Number | Date | Country | Kind |
---|---|---|---|
11109/74 | Aug 1974 | CH |
Number | Name | Date | Kind |
---|---|---|---|
3697513 | Siegrist | Oct 1972 | |
3725395 | Siegrist | Apr 1973 | |
3732221 | Siegrist | May 1973 | |
3781279 | Crounse et al. | Dec 1973 | |
3796705 | Siegrist | Mar 1974 | |
3819615 | Siegrist | Jun 1974 | |
3830848 | Siegrist | Aug 1974 | |
3891632 | Fleck et al. | Jun 1975 |
Entry |
---|
Dorlars et al., Chem. Abstracts, 71 (1969) No. 126001. |
Okaoa et al., Chem. Abstracts, 71 (1969) No. 126004. |
Schlaepfer et al., Chem. Abstracts, 78 No. 85944. |