Number | Name | Date | Kind |
---|---|---|---|
3736762 | Toyama et al. | Jun 1973 | |
4152130 | Theobald | May 1979 | |
4222756 | Thorogood | Sep 1980 | |
4372764 | Theobald | Feb 1983 | |
4400188 | Patel et al. | Aug 1983 | |
4464188 | Agrawal et al. | Aug 1984 | |
4595405 | Agrawal et al. | Jun 1986 | |
4662916 | Agrawal et al. | May 1987 | |
4662917 | Cormier, Jr. et al. | May 1987 | |
4707994 | Shenoy et al. | Nov 1987 | |
4715873 | Auvil et al. | Dec 1987 |
Entry |
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Celar et al: "Flexible Process of Pressure Nitrogen and Low Pressure Oxygen Production", International Congress of Refrigeration, Vienna, Austria 1987. |
Ruhemann & Limb, I. Chem. E. Symposium Series, No. 79 p. 320 (1983). |