Number | Name | Date | Kind |
---|---|---|---|
342897 | Castner | Jun 1886 | |
380775 | Thowless | Apr 1888 | |
380776 | Thowless | Apr 1888 | |
460985 | Netto | Oct 1891 | |
2391728 | McConica et al. | Dec 1945 | |
2484266 | Bowe | Oct 1949 | |
2642347 | Gilbert | Jun 1953 | |
2685346 | Deyrup et al. | Aug 1954 | |
2685505 | Deyrup | Aug 1954 | |
2774663 | Kirk | Dec 1956 | |
2930689 | McGriff | Mar 1960 | |
3759703 | Chong | Sep 1973 | |
3823014 | Chong | Jul 1974 |
Number | Date | Country |
---|---|---|
603825 | Dec 1924 | FR |
Entry |
---|
Perry and Chilton, Chemical Engineers Handbook, 5th edition 1973 p. 11-3 and 11-22. |