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| US3954575 | 11 nov. 1974 | 4 mai 1976 | Dipsol Chemicals Co., Ltd. | Zinc electroplating |
| US3974045 | 25 nov. 1974 | 10 août 1976 | Dipsol Chemicals Co., Ltd. | Method for electroplating bright zinc |
| US3988219 | 7 juil. 1975 | 26 oct. 1976 | Columbia Chemical Corporation | Baths and additives for the electrodeposition of bright zinc |
| US4188271 | 23 janv. 1976 | 12 févr. 1980 | Rohco, Inc. | Alkaline zinc electroplating baths and additive compositions therefor |
