共 12 条
- [1] ABRAMS L, 1989, Patent No. 4814503
- [5] GIER TE, 1989, Patent No. 4806689
- [6] SELECTIVE SYNTHESIS OF DIMETHYLAMINE OVER SMALL PORE ZEOLITES [J]. APPLIED CATALYSIS, 1987, 32 (1-2): : 361 - 366
- [8] Robson H. E., 1975, U.S. Patent, Patent No. 3904738
- [9] Robson H. E., 1973, ADV CHEM SER, V121, P106