Number | Date | Country | Kind |
---|---|---|---|
1-342737 | Dec 1989 | JPX | |
2-150483 | Jun 1990 | JPX | |
2-280262 | Oct 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2538341 | Ullyot | Jan 1951 | |
4021478 | White | May 1977 | |
4241209 | Sommer et al. | Dec 1980 | |
4520025 | Campbell et al. | May 1985 | |
4673745 | Sommer et al. | Jun 1987 |
Number | Date | Country |
---|---|---|
48433 | Mar 1982 | EPX |
Entry |
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Georgian et al., "Chemical Abstracts", vol. 58, 1963, col. 4515e. |
Journal of Organic Chemistry vol. 27 No. 12 pp. 4571-1479 Dec. 12, 1962 Chemical Abstracts vol. 97 No. 1 p. 569 5th Jul. 1982. |