Number | Name | Date | Kind |
---|---|---|---|
3449211 | Gorand et al. | Apr 1967 | |
3530042 | Graybill et al. | Nov 1967 | |
4337143 | Hanson et al. | Jun 1982 | |
4514305 | Filby | Apr 1985 | |
4648964 | Leto et al. | Mar 1987 |
Entry |
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Kirk-Othmer Encyclopedia of Chemical Technology 2nd Ed. 1969 vol. 19, pp. 723-731. |