Number | Date | Country | Kind |
---|---|---|---|
11-061785 | Mar 1999 | JP |
Number | Name | Date | Kind |
---|---|---|---|
3988213 | Yoshida et al. | Oct 1976 | A |
4379736 | Kendall et al. | Apr 1983 | A |
4490215 | Bannon | Dec 1984 | A |
5578173 | Toot, Jr. et al. | Nov 1996 | A |
6034288 | Scott et al. | Mar 2000 | A |
6294056 | Matsumoto et al. | Sep 2001 | B1 |
6348135 | Nakahara et al. | Feb 2002 | B1 |
Number | Date | Country |
---|---|---|
1265738 | Mar 1972 | GB |
A-51-2675 | Jun 1974 | JP |
A-3-196801 | Aug 1991 | JP |
Entry |
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Shah, “Troubleshooting distillation columns”, Chemical Engineering, Jul. 31, 1978, pp. 71-78. |