Number | Name | Date | Kind |
---|---|---|---|
3297597 | Edwards et al. | Jan 1967 | |
3647759 | Walker | Mar 1972 | |
3892796 | Leibfried | Jul 1975 | |
4048104 | Svoboda et al. | Sep 1977 | |
4137265 | Edwards et al. | Jan 1979 | |
4223068 | Carlstrom et al. | Sep 1980 | |
4237238 | DeGuiseppi et al. | Dec 1980 | |
4246365 | Wiedermann et al. | Jan 1981 | |
4346229 | Derr et al. | Aug 1982 | |
4394286 | Millick | Jul 1983 |
Entry |
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DuPont Data Sheet-DMT-HBR Preliminary Information-Petrochemicals Department, Intermediates Division. |