Number | Name | Date | Kind |
---|---|---|---|
46987 | Barron | Mar 1865 | |
1557257 | Riboisiese | Oct 1925 | |
2046365 | Cassidy et al. | Jul 1936 | |
2851417 | Ondress | Sep 1958 | |
3049533 | Spitzer et al. | Aug 1962 | |
3164449 | Buxbaum | Jan 1965 | |
3574550 | Scott et al. | Apr 1971 | |
4209302 | Orelup | Jun 1980 | |
4473376 | Hansen et al. | Sep 1984 | |
4536188 | de Witt | Aug 1985 | |
4735631 | Orelup | Apr 1988 | |
4764290 | Currey | Aug 1988 | |
4932979 | Thrasher et al. | Jun 1990 |
Number | Date | Country |
---|---|---|
0127316 | May 1984 | EPX |
Entry |
---|
The Chemical Process Industries, Shrene, 2nd Ed., McGraw-Hill, N.Y., 1956, pp. 901 and 913, 918. |