Number | Date | Country | Kind |
---|---|---|---|
78 02927 | Feb 1978 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
1959930 | Schmidt et al. | May 1934 | |
3041289 | Katchen et al. | Jun 1962 | |
3173878 | Reyes | Mar 1965 | |
3336155 | Rowe | Aug 1967 | |
3630920 | Freifeld et al. | Dec 1971 | |
3932657 | Rahman | Jan 1976 | |
3957971 | Oleniacz | May 1976 | |
4016100 | Suzuki et al. | Apr 1977 |
Number | Date | Country |
---|---|---|
2249552 | May 1973 | DEX |
1477048 | Mar 1967 | FRX |
2298318 | Aug 1976 | FRX |
Entry |
---|
Chem. Abstracts, vol. 85, No. 2, p. 258, Jul. 26, 1976. |