Number | Name | Date | Kind |
---|---|---|---|
2468904 | Wagner | May 1949 | |
2565195 | Bell | Aug 1951 | |
3894103 | Chang | Jul 1975 | |
3894105 | Chang et al. | Jul 1975 | |
4265735 | Audeh et al. | May 1981 | |
4480143 | Chang | Oct 1984 | |
4543434 | Chang | Sep 1985 | |
4544785 | Withers | Oct 1985 | |
4618732 | Gesser et al. | Oct 1986 | |
4620057 | Kimble | Oct 1986 |
Entry |
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Kirk-Othmer Encyclopedia of Chemical Technology, Third Ed., vol. 4, 1978, pp. 747-749. |