Number | Name | Date | Kind |
---|---|---|---|
3238130 | Matson | Mar 1966 | |
3456013 | Egan et al. | Jul 1969 | |
3464925 | Benoit et al. | Sep 1969 | |
3637358 | Cyba | Jan 1972 | |
3657129 | Obermeier | Apr 1972 | |
4231883 | Malec | Nov 1980 | |
4305834 | Barber et al. | Dec 1981 | |
4382006 | Horodysky | May 1983 | |
4391610 | Sung et al. | Jul 1983 | |
4409000 | LeSeur | Oct 1983 | |
4460379 | Sweeney et al. | Jul 1984 |
Entry |
---|
Smallheer, Lubricant Additives, pp. 2-3, 7. |