Number | Date | Country | Kind |
---|---|---|---|
1616/91 | Aug 1991 | ATX |
Number | Name | Date | Kind |
---|---|---|---|
3935258 | Hempel et al. | Jan 1976 | |
4410697 | Torok et al. | Oct 1983 | |
4814499 | Parron | Mar 1989 | |
5043444 | Mullner et al. | Aug 1991 | |
5091553 | Mullner et al. | Feb 1992 | |
5099021 | Worther et al. | Mar 1992 |
Number | Date | Country |
---|---|---|
1064051 | Aug 1959 | DEX |
166326 | Nov 1964 | SUX |
178367 | Jan 1966 | SUX |
Entry |
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Davis et al., "J. Am. Chem. Soc.", 44 2595 (1922). |