Number | Date | Country | Kind |
---|---|---|---|
98106237 | Apr 1998 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
2411969 | Karrer | Dec 1946 | |
2723278 | Surmatis et al. | Nov 1955 | |
3708505 | Greenbaum et al. | Jan 1973 |
Number | Date | Country |
---|---|---|
0694541 | Jan 1996 | EPX |
1204840 | Sep 1970 | GBX |
9728151 | Aug 1997 | WOX |
WO 9728151 | Aug 1997 | WOX |
Entry |
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M. Kajiwara, et al., "The Synthesis of Regiospecifically .sup.13 C-Labeled .alpha.-Tocopheryl Acetate," Heterocycles vol. 15, No. 2, pp. 1209-1212 (1981). |
S. Urano and M. Matsuo, "The Synthesis of C-13 Labeled Vitamin E, [2a-.sup.13 C] all-rac-.alpha.-Tocopherol.sup.1 " Heterocycles, vol. 22, No. 9, pp. 1975-1977 (1984). |
International Search Report dated May 30, 1997 corresponding to PCT/EP97/00324 (WO 97/28151). |