Number | Name | Date | Kind |
---|---|---|---|
3723622 | Buchel et al. | Mar 1973 | |
3912752 | Meiser et al. | Oct 1975 | |
3952002 | Kramer et al. | Apr 1976 | |
4053616 | Buchel et al. | Nov 1977 | |
4079062 | Van Reet et al. | Mar 1978 | |
4154945 | Brookes et al. | May 1979 | |
4255434 | Kramer et al. | Mar 1981 | |
4284639 | Kramer et al. | Aug 1981 | |
4348385 | Synek | Sep 1982 | |
4394151 | de Fraine et al. | Jul 1983 | |
4510136 | Moberg | Apr 1985 |
Number | Date | Country |
---|---|---|
125471 | Nov 1984 | EPX |
158374 | Oct 1985 | EPX |
2095109 | Sep 1982 | GBX |
Entry |
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Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 22, pp. 502-503 (1970). |