Number | Date | Country | Kind |
---|---|---|---|
3211679 | Mar 1982 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2853510 | Montagna et al. | Sep 1958 | |
3150142 | Eby | Sep 1964 | |
3324164 | Merkel et al. | Jun 1967 | |
4231956 | Sullivan, III et al. | Nov 1980 | |
4271089 | Butte, Jr. et al. | Jun 1981 |
Entry |
---|
Chem. Abstracts 75: 140212u, (1971). |