Number | Name | Date | Kind |
---|---|---|---|
2073464 | Davey | Mar 1937 | |
3354093 | Early et al. | Nov 1967 | |
3650968 | Hoffman et al. | Mar 1972 | |
3658708 | Ratto | Apr 1972 | |
4414128 | Goffinet | Nov 1983 | |
4438009 | Bruskey et al. | Mar 1984 |
Number | Date | Country |
---|---|---|
1603047 | May 1978 | GBX |
2010892 | Dec 1978 | GBX |
2022126 | Jun 1979 | GBX |
Entry |
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Davidsohn, 3rd International Congress of Surface Activity, Cologne, (1960), Soap Perfumery Cosmetics, Apr. 1983, pp. 174, 175. |