Number | Name | Date | Kind |
---|---|---|---|
2995412 | Kleb | Aug 1961 | |
3287470 | Pugin et al. | Nov 1966 | |
4284729 | Cross et al. | Aug 1981 | |
4634555 | Baxter et al. | Jan 1987 | |
4640690 | Baumgartner et al. | Feb 1987 |
Number | Date | Country |
---|---|---|
264674 | Nov 1988 | JPX |
Entry |
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Cooper, Spectroscopic Techniques for Organic Chemists, [New York, J. Wiley, 1980] pp. 240 to 243. |
Texaco Corp. Jeffamine brochure, 1984. |