Number | Date | Country | Kind |
---|---|---|---|
84 00015 | Jan 1984 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3773919 | Boswell et al. | Nov 1973 | |
3929937 | Clendinning et al. | Dec 1975 | |
4148871 | Pitt et al. | Apr 1979 | |
4264574 | Cherqui et al. | Apr 1981 |
Number | Date | Country |
---|---|---|
1490855 | Jun 1967 | FRX |
2363251 | Mar 1978 | FRX |
2377431 | Aug 1978 | FRX |
Entry |
---|
Chemical Abstracts, vol. 92, No. 16, Apr. 21, 1980, abstract 92: 135249h. |