Number | Date | Country | Kind |
---|---|---|---|
1-239877 | Sep 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2444679 | Fernandes et al. | Apr 1954 | |
2765299 | Porsche et al. | Oct 1956 | |
3100737 | Auerswald et al. | Aug 1963 | |
3992367 | Plan et al. | Nov 1976 | |
4177188 | Hansen | Dec 1979 | |
4426323 | Jain | Jan 1984 | |
4613501 | Horowitz | Sep 1986 | |
4675387 | Korant | Jun 1987 | |
4754019 | Gion et al. | Jun 1988 | |
4841023 | Horowitz | Jun 1989 | |
4914027 | Knapp et al. | Apr 1990 | |
4939176 | Seng et al. | Jul 1990 |
Number | Date | Country |
---|---|---|
0123544 | Apr 1984 | EPX |
0248657 | Jun 1987 | EPX |
0251744 | Jun 1987 | EPX |
0248637 | Sep 1987 | EPX |
Entry |
---|
Chemical Abstracts, vol. 98, No. 8, Feb. 21, 1983, p. 351, Abstract No. 59878u, Columbus, Ohio, US; & CS-A-210 088 (M. Libich) Apr. 30, 1982. |
Chemical Abstracts, vol. 110, No. 17, Apr. 24, 1989, p. 402, Abstract No. 150957w, Columbus, Ohio US; & CS-A-248 241 (J. Bulik et al.) Jul. 15, 1988. |
Chemical Abstracts, vol. 112, No. 17, Apr. 23, 1990, p. 383, Abstract No. 154847z, Columbus, Ohio, US; CS-A-261 849 (T. Kohlmayerova et al.) May 15, 1989. |
Ser. No. 526,917. |