|
| US3940261 | 3 Feb 1975 | 24 Feb 1976 | Eastman Kodak Company | Process for preparing crystalline silver particles having electrically conductive surfaces and product |
| US3957505 | 5 Ago 1974 | 18 May 1976 | Bayside Refining and Chemical Company | Gold reclamation process |
| US4035181 | 8 Sep 1976 | 12 Jul 1977 | Minnesota Mining and Manufacturing Company | Protection of silver reduction materials |
| US4036634 | 6 Feb 1976 | 19 Jul 1977 | Plessey, Incorporated | Oxidation and sinter-resistant metal powders |
| US4038071 | 14 Jul 1976 | 26 Jul 1977 | Tenneco Chemicals, Inc. | Process for the removal of mercury from aqueous solutions |
| US4319922 | 26 Dic 1979 | 16 Mar 1982 | Western Electric Company, Inc. | Recovery of gold from an etching solution |
| US4319923 | 3 Oct 1980 | 16 Mar 1982 | Western Electric Co., Inc. | Recovery of gold and/or palladium from an iodide-iodine etching solution |
| US4439468 | 25 Ago 1982 | 27 Mar 1984 | GTE Products Corporation | Platinum coated silver powder |
| US4456473 | 5 May 1983 | 26 Jun 1984 | Chemet Corporation | Method of making silver powder |
| US4456474 | 5 May 1983 | 26 Jun 1984 | Chemet Corporation | Method of making fine silver powder |
| US4678505 | 24 Nov 1986 | 7 Jul 1987 | E. I. Du Pont de Nemours and Company | Process for forming solid solutions |
| US4776883 | 14 May 1987 | 11 Oct 1988 | Mitsui Mining & Smelting Co., Ltd. | Process for the production of silver-palladium alloy fine powder |
| US5000928 | 17 Mar 1986 | 19 Mar 1991 | Eastman Kodak Company | Preparation of ultra-pure silver nitrate |
| US5514202 | 20 Dic 1994 | 7 May 1996 | National Science Council of R.O.C. | Method for producing fine silver-palladium alloy powder |
| US6506228 | 23 Mar 2001 | 14 Ene 2003 | Kwangju Institute of Science and Technology | Method of preparing platinum alloy electrode catalyst for direct methanol fuel cell using anhydrous metal chloride |
| US7077882 | 16 Jul 2004 | 18 Jul 2006 | Cabot Corporation | Gold powders, methods for producing powders and devices fabricated from same |