Ionic compositions containing hg(ii),zn(ii),cd(ii),ag(i),cu(ii),ni(ii) and/or co(ii),and a polymer of an ethylene imine
Abstract
Abstract THE INVENTION PROVIDES AN IONIC COMPOSITION WHICH IS A SOLUTION OF AN OXIDE OR HYDROXIDE OF A METAL SELECTED FROM HG(II), ZN(II), AG(I), CU(II), NI(II), CO(II) AND MIXTURES THEREOF IN AN AQUEOUS SOLUTION OF A POLYMER OF ETHYLENE IMINE HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 600 AND 100,000 AND IN WHICH THE NITROGEN ATOMS ARE SEPARATED BY NOT MORE THAN TWO CARBON ATOMS AND THE PRIMARY, SECONDARY AND TERTIARY IMINE NITROGEN RATIO IS ABOUT 1 TO 2 TO 1 RESPECTIVELY. THE COMPOSITION IS SUFFICIENTLY IONIC SO THAT THE CONTAINED METAL, (1) CAN BE ELECTROPLATED THEREFROM ONTO OTHER METALS WITHOUT ADDING AN ALKALINE MATERIAL, OR (2) DISPLACED THEREFROM BY METALS HIGHER IN THE ELECTROMOTIVE SERIES. THE COMPOSITION ALSO MAY BE USED TO COAT VARIOUS ANIONIC SUBSTRATES, SUCH AS COTTON, GLASS, LEATHER, PAPER AND STARCH.
Inventors
- 👤 Robert C Wade
Bibliographic Details
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |