Number | Name | Date | Kind |
---|---|---|---|
2178851 | Bruson | Nov 1939 | |
2630457 | Hansen et al. | Mar 1953 | |
2759867 | Melass | Aug 1956 | |
3024198 | Harrington et al. | Mar 1962 | |
3577340 | Paviak et al. | May 1971 | |
3699173 | Osberg et al. | Oct 1972 | |
3706708 | Kearnan | Dec 1972 | |
3799956 | Nakamura et al. | Mar 1974 | |
3829508 | Diery et al. | Aug 1974 | |
3935123 | Prokai et al. | Jan 1976 | |
3998754 | Oswald | Dec 1976 | |
4208301 | Gammon | Jun 1980 | |
4258448 | Reitz et al. | Mar 1981 | |
4360452 | Zabrocki et al. | Nov 1982 |
Number | Date | Country |
---|---|---|
882623 | Nov 1961 | GBX |
Entry |
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The Chemistry and Manufacture of Cosmetics, 2nd Ed., vol. III, p. 32, by Maison de Navarre. |