Number | Name | Date | Kind |
---|---|---|---|
3669676 | Karr et al. | Jun 1972 | |
3895117 | Backlund | Jul 1975 | |
4027043 | Schroeder et al. | May 1977 |
Entry |
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Mattil et al., "Bailey's Industrial Oil and Fat Products", Interscience Publishers, Third Edition, 1965, pp. 176 & 238-239. |
Rose, "The Condensed Chemical Dictionary", Van Nostrand, Reinhold Co., 1970, pp. 241, 420, 545 & 704. |