Number | Date | Country | Kind |
---|---|---|---|
62-264744 | Oct 1987 | JPX | |
63-45399 | Feb 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2642432 | Clinton et al. | Jun 1953 | |
3738999 | Kropcbo et al. | Jun 1973 | |
3763214 | Kropcho et al. | Oct 1973 | |
3857873 | Schwender et al. | Dec 1974 | |
4094991 | Murai et al. | Jun 1978 | |
4109013 | Grill et al. | Aug 1978 | |
4154850 | Morgan et al. | May 1979 | |
4260816 | Albright et al. | Apr 1981 | |
4350822 | Albright et al. | Sep 1982 |
Number | Date | Country |
---|---|---|
2191487 | Dec 1987 | GBX |
Entry |
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Chemical Abstracts, vol. 93, No. 19, Nov. 10, 1980; p. 620, No. 185904j, N. Kh. Maksudov et al., "O-Alkylation of Hydroxybenzoic Acids", U2b, Khim. Zh., 1980 (2), 46-50, (Russ). |