Number | Date | Country | Kind |
---|---|---|---|
2356049 | Nov 1973 | DT |
Number | Name | Date | Kind |
---|---|---|---|
2683110 | Rousseau | Jul 1954 | |
2688622 | Jaquay | Sep 1954 | |
2696489 | Adams et al. | Dec 1954 | |
3261847 | Sullivan | Jul 1966 |
Number | Date | Country |
---|---|---|
1,928,207 | Dec 1970 | DT |
Entry |
---|
Kirk-Othmer, Encyclopedia of Chemical Technology, Sec. Edition vol. 12, p. 829. |