Number | Date | Country | Kind |
---|---|---|---|
2244/85 | May 1985 | CHX |
Number | Name | Date | Kind |
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4018592 | Buckman et al. | Apr 1977 |
Number | Date | Country |
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1546809 | May 1979 | GBX |
Entry |
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M. H. Angele, Seifen, Ole, Fette, Wachse 101, 273 (1975). |
H. D. Held, Kuhlwasser, Vulkan-Verlag, Essen, 1984, pp. 212-217. |
Ullmanns Encyclopedia, pp. 41-58. |