Number | Name | Date | Kind |
---|---|---|---|
2809990 | Brown et al. | Oct 1957 | |
3112241 | Mackenzie et al. | Nov 1963 | |
3382097 | Erby et al. | May 1968 | |
3409647 | Pittman et al. | Nov 1968 | |
3492374 | Le Bleu et al. | Jan 1970 | |
3901864 | Jager | Aug 1975 | |
3919361 | Katsushima | Nov 1975 | |
3953283 | Wing et al. | Apr 1976 | |
4239915 | Falk | Dec 1980 | |
4302366 | Perronin et al. | Nov 1981 | |
4426466 | Schwartz | Jan 1984 | |
4946992 | Falk et al. | Aug 1990 |
Number | Date | Country |
---|---|---|
2024587 | Nov 1970 | DEX |
Entry |
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Kirk-Othmer Encyclopedia of Chemical Technology, 3rd ed., vol. 16, 1991, pp. 8/2-8/3. |
CA74(10): 43492g, Lalu, 1970. |