Number | Date | Country | Kind |
---|---|---|---|
55-98258 | Jul 1980 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3265592 | Van der Weil | Aug 1966 | |
3276973 | Burmaster et al. | Oct 1966 | |
3378466 | Coltharp et al. | Apr 1968 |
Number | Date | Country |
---|---|---|
1282209 | Dec 1961 | FRX |
Entry |
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Gromoglasor et al., Chem. Abst., vol. 84, #1212502, (1976). |