Number | Date | Country | Kind |
---|---|---|---|
4216316 | May 1992 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
468198 | Khan | Jan 1975 | |
5124079 | Smid et al. | Jun 1992 | |
5198559 | Lahtinen et al. | Mar 1993 | |
5221757 | Ohashi et al. | Jun 1993 | |
5247121 | Sebag et al. | Sep 1993 |
Number | Date | Country |
---|---|---|
2169916 | Jul 1986 | GBX |
Entry |
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Journal of the American Oil Chemists' Society, vol. 63, No. 12, Dec. 1986, pp. 1579-1583. |