Number | Name | Date | Kind |
---|---|---|---|
2115003 | Beiswenger | Apr 1938 | |
2527404 | De Vault | Oct 1950 | |
2616912 | Dickinson | Nov 1952 | |
2850431 | Smith | Sep 1958 | |
2940920 | Garwin | Jun 1960 | |
4017383 | Beavon | Apr 1977 | |
4421639 | Lambert et al. | Dec 1983 | |
4784753 | Hotier et al. | Nov 1988 |
Entry |
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Avilino Sequeira, Lubricant Base Oil and Wax Processing, 1994, pp. 69-70, and title page of book, Marcel Dekker, Inc, New York, U.S.A. (no month). |