Number | Name | Date | Kind |
---|---|---|---|
3466344 | Graff et al. | Sep 1969 | |
3605850 | Borst, Jr. | Sep 1971 | |
3706811 | Duke, Jr. | Dec 1972 | |
4033829 | Higgins, Jr. et al. | Jul 1977 | |
4040911 | Bacha et al. | Aug 1977 | |
4086147 | Watson | Apr 1978 | |
4182658 | Watson | Jul 1980 | |
4272344 | Watson | Jun 1981 | |
4291183 | Crum et al. | Sep 1981 | |
4376678 | Partos | Mar 1983 | |
4457806 | Grivas et al. | Jul 1984 |
Entry |
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Hydrocarbon Processing, "A Better Way to Extract Aromatics", vol. 38, No. 9, Sep. 1959, pp. 185-192. |