Number | Date | Country | Kind |
---|---|---|---|
2732218 | Jul 1977 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3758410 | Lin | Sep 1973 |
Entry |
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Norman G. Gaylord, Polyethers Part 1 Polyalkylene Oxides and Other Polyethers, vol. XIII, Part 1 of High Polymers, Interscience, 1963, pp. 254-257. |
N. Schonfeldt, Surface Active Ethylene Oxide Adducts, Pergamon Press, 1969, p. 535. |