Number | Date | Country | Kind |
---|---|---|---|
99 08173 | Jun 1999 | FR |
Number | Name | Date | Kind |
---|---|---|---|
2528378 | Mannheimer | Oct 1950 | A |
2781354 | Mannheimer | Feb 1957 | A |
4402977 | Grollier et al. | Sep 1983 | A |
4898725 | Hoeffkes et al. | Feb 1990 | A |
Number | Date | Country |
---|---|---|
44 04 493 | Jan 1995 | DE |
WO 9844012 | Oct 1998 | WO |
Entry |
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M.R. Porter, “Handbook of Surfactants”, Blackie & Son Ltd., Glasgow & London, 1991, pp. 116-178. |
English language Derwent Abstract of DE 44 04 493. |