Number | Date | Country | Kind |
---|---|---|---|
4127736 | Aug 1991 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3555087 | Grosso et al. | Jan 1971 | |
3671451 | Butterfield | Jun 1972 | |
4432940 | Buyalos | Feb 1984 | |
4981997 | Schutze et al. | Jan 1991 | |
5208365 | Fuchs et al. | May 1993 |
Number | Date | Country |
---|---|---|
0363756 | Apr 1990 | EPX |
1915436 | Nov 1969 | DEX |
3834747 | May 1990 | DEX |
52-21499 | Oct 1977 | JPX |
Entry |
---|
Chemical Engineers' Handbook, 1973 Robert H. Perry/Cecil H. Chilton pp. 18-58-18-67. |