Number | Date | Country | Kind |
---|---|---|---|
1279/78 | Feb 1978 | CHX | |
214/79 | Jan 1979 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
3894986 | Racky et al. | Jul 1975 | |
3954866 | Frank et al. | May 1976 | |
3963437 | LeBlanc et al. | Jun 1976 | |
4080480 | Reinhardt et al. | Mar 1978 | |
4092108 | Vallco et al. | May 1978 | |
4144387 | Anderson et al. | Mar 1979 |
Number | Date | Country |
---|---|---|
2266764 | Apr 1975 | FRX |
1317468 | May 1973 | GBX |
Entry |
---|
Alkylphosphonic & Dialkylphosphonic Acids, pp. 3379-3382, Jul. 20, 1953. |