| Patents for C22C 5 - Alloys based on noble metals (4,347) |
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| 08/14/1990 | US4948424 Containing silver and oxides of copper, bismuth, and tin produced from intraoxdized alloys of the metals and zirconium oxide |
| 08/09/1990 | WO1990008650A1 Palladium alloy containing gold, silver, gallium, germanium and/or lithium and dental restorations utilizing same |
| 08/09/1990 | DE3932536C1 Wear resistant contact material - in which is applied to support comprising copper alloy and non-noble metal contg. silver, palladium or palladium-silver alloy |
| 08/01/1990 | EP0284699B1 Intermetallic compound and its use |
| 07/26/1990 | DE3932535C1 Electrical socket connector - includes 2 contact carriers and contact layer having silver prim section and sec. section of silver alloy contg. tin |
| 07/25/1990 | EP0378847A1 Ag alloy of high discolouration resistance |
| 07/24/1990 | US4943483 Palladium alloy containing gold, silver, gallium, germanium and/or lithium and dental restorations utilizing same |
| 07/11/1990 | CN1043753A Platinum-based heat-resistant alloy used for glassfibre drain board |
| 07/03/1990 | US4938923 Gold wire for the bonding of a semiconductor device |
| 07/03/1990 | US4938922 Gold-nickel-titanium brazing alloy |
| 06/28/1990 | WO1990007018A1 Gold colored palladium - indium alloys |
| 06/13/1990 | CN1042953A Personal adornments |
| 06/12/1990 | US4933023 Method for manufacture of non-allergy creating precious metal objects |
| 06/06/1990 | EP0371100A1 Process for producing alloys resistant to tarnishing, oxidation and scaling |
| 05/31/1990 | WO1990005791A1 Palladium alloy containing germanium and/or lithium and dental restorations utilizing same |
| 05/30/1990 | EP0370897A1 Method for the preparation of electrical contact material, and method of making a contact element incorporating such a material |
| 05/29/1990 | US4929420 Alloy useful particularly in dentistry |
| 05/23/1990 | EP0369283A2 Sintered contact material for low-tension switchgear, particularly for contactors |
| 05/23/1990 | EP0369282A2 Sintered contact material in low-tension switchgear, particularly for contactors |
| 05/23/1990 | EP0369156A1 Use of a high gold content alloy in jewellery |
| 05/23/1990 | EP0369150A1 Silver-copper-titanium brazing alloy containing crust inhibiting element |
| 05/15/1990 | CA1268966A1 Use of silver-free palladium alloys for burning on dental ceramics |
| 04/17/1990 | US4917861 Palladium alloy containing germanium and/or lithium and dental restorations utilizing same |
| 04/04/1990 | CN1041006A Extraction of silver-cadmium alloy from silver-cadmium oxide |
| 03/27/1990 | US4911769 Composite conductive material |
| 03/27/1990 | US4911762 Jewelry; Group 8 or 1b metal with aluminum, gallium, indium, and(or) silica |
| 03/27/1990 | US4910868 Manufacturing process of an electrical contact with contact pad |
| 03/22/1990 | DE3905987C1 Use of palladium/silver alloys for producing dental prostheses |
| 03/22/1990 | DE3830666A1 Palladium basic alloys |
| 03/20/1990 | US4909985 Alloy of silver, gold, palladium and copper |
| 03/13/1990 | US4908158 Electrical contact material and method of preparing same |
| 03/07/1990 | EP0357335A2 Dental alloy |
| 02/28/1990 | EP0355853A2 Supported platinum alloy electrocatalyst |
| 02/20/1990 | US4902342 Method for the manufacture of non-allergy creating precious metal objects |
| 02/08/1990 | DE3826607A1 Use of an improved palladium/white gold alloy for the manufacture of jewellery |
| 02/07/1990 | CN1039448A Ductile alloy |
| 01/10/1990 | EP0349733A1 Use of a silver alloy as a solder for directly joining ceramic parts together |
| 01/10/1990 | CN1006377B Improved amorphous metal alloy compositions for reversible hydrogen storage |
| 01/09/1990 | US4892582 Gold alloy powder |
| 12/20/1989 | EP0346600A2 Tarnish-resistant noble metal alloys for dental use |
| 12/20/1989 | EP0346595A2 Use of a dental alloy devoid of non-precious metals for casting fixed dental prostheses |
| 11/28/1989 | US4883745 Silver-copper-titanium brazing alloy containing crust inhibiting element |
| 11/21/1989 | US4882022 Process and apparatus for sputter coating a gold alloy onto a substrate |
| 11/21/1989 | CA1263098A1 Gold recovery processes |
| 11/16/1989 | WO1989011161A1 Bonding wire for semiconductor elements |
| 11/08/1989 | CN1036991A Semi-finished product for making electric contacts, made of composite material based on silver and tin oxide and powder-metallurgical process of producing semi-finished product |
| 11/02/1989 | WO1989010418A1 Nickel-palladium-based brazing alloys |
| 11/02/1989 | WO1989010417A1 Sintered contact material based on silver for use in power engineering switchgear, in particular for contact pieces in low-voltage switches |
| 11/02/1989 | EP0339359A1 Soldering material for spectacle frame and spectacle frame in which said soldering material is used |
| 11/02/1989 | DE3812568C1 Use of palladium alloy, which can be cast on, in dental engineering |
| 10/25/1989 | EP0338258A1 Process for preparing sintered dental prostheses |
| 10/25/1989 | CN1036526A Process for manufacturing composite piece and electric contact part with contact piece using the same process |
| 10/19/1989 | WO1989009838A1 Process for producing alloys resistant to tarnishing, oxidation and scaling |
| 10/19/1989 | WO1989009592A1 Process for producing sintered metallic dental prostheses |
| 10/05/1989 | WO1989009478A1 Semifinished product for electrical contacts, made of a composite material based on silver and tin oxide, and powder metallurgical process for producing it |
| 09/26/1989 | US4869757 Copper and lithium or tin |
| 09/20/1989 | EP0333600A1 Process for producing a composite work piece, for instance for electric contacts |
| 09/20/1989 | CN1035629A Fabrication method of superfine colummar metallic powder |
| 09/06/1989 | EP0330863A2 Use of palladium-silver alloys for making dental prostheses |
| 09/06/1989 | CN1035323A Pt-base alloy for spark plug |
| 09/05/1989 | US4863514 Material for facing denture |
| 08/30/1989 | CN1035139A Super perforance silver base alloy for electric contact |
| 08/16/1989 | EP0327805A2 Dental filling material and process for its preparation |
| 08/08/1989 | US4855104 Method for the production of sintered electrical contact material for low voltage power switching |
| 08/01/1989 | US4853048 Permanent magnetic alloy comprising gold, platinum and cobalt |
| 06/21/1989 | EP0320877A2 Lamination of oxide dispersion strengthened patinum and alloys |
| 06/13/1989 | CA1255618A1 Solderable palladium-nickel coatings |
| 06/06/1989 | US4836984 Dentures and alloys for use in same |
| 05/30/1989 | CA1254771A1 Use of silver-palladium alloys as material for burning on dental ceramics |
| 05/03/1989 | CN1004110B Bonding wire |
| 04/12/1989 | EP0311134A1 Powder-metallurgically produced electrical contact material comprising silver and graphite, and process for producing it |
| 04/11/1989 | US4820487 Iridescent blue, hard; with nickel, chromium, molybdenum, vanadium, carbon, tungsten and iron; for jewelry |
| 04/11/1989 | US4819859 Lamination of oxide dispersion strengthened platinum and alloys |
| 03/29/1989 | CN1032091A Bonding wire |
| 03/23/1989 | WO1989002656A1 Sheathing material for superconducting wires |
| 03/09/1989 | WO1989001998A1 Low temperature, high strength glassy nickel-palladium based brazing alloys |
| 03/07/1989 | US4810308 Silver alloys of exceptional and reversible hardness |
| 02/28/1989 | US4808373 Gold with aluminum and copper; corrosion resistance, jewelry |
| 02/28/1989 | US4808223 Uniform matrix; agglomeration-free |
| 02/21/1989 | US4806306 Attachments in the field of dental technology made of noble metal alloys with melting ranges above 1500 degree celsius |
| 02/14/1989 | US4804517 Gold colored palladium - indium alloys |
| 02/07/1989 | US4802933 Frobrazing stainless steel at high temperature corrision resis tant and high strength, aircraft |
| 02/01/1989 | EP0301536A2 Palladium alloy as a catalyst for hydrogen oxidation in an atmosphere containing hydrogen and oxygen |
| 02/01/1989 | EP0301279A1 Composite material conductor |
| 01/11/1989 | EP0298823A1 Process and use in the glass industry, in particular for protection against corrosion by molten glass of palladium-based alloys containing at least one alloying element. |
| 01/11/1989 | EP0298822A1 Process and use in a glass industry, in particular for the protection against corrosion by molten glass of palladium-based tin-containing alloys |
| 01/11/1989 | CN1003065B Conductor material of semiconductor apparatus |
| 01/10/1989 | CA1248367A1 Palladium metal base dental alloy |
| 01/10/1989 | CA1248366A1 Silver rich materials for low current contacts |
| 11/23/1988 | CN87102490A Elastic contact alloy of palladium, silver, copper and gallium with high strength |
| 11/02/1988 | EP0289097A1 Castable palladium alloys and their use for making dental restorations, ornaments, and the like |
| 10/20/1988 | WO1988008042A1 Silver alloys of exceptional and reversible hardness |
| 10/11/1988 | US4777335 Contact forming material for a vacuum valve |
| 10/05/1988 | EP0284986A2 Superconducting wire and method of manufacturing the same |
| 10/05/1988 | EP0284699A1 Intermetallic compound and its use |
| 10/04/1988 | US4775512 Gold, germanium, beryllium |
| 10/04/1988 | US4775511 Method of sulfide tarnish inhibiting of silver-copper, silver-gold and silver-copper-gold alloys |
| 09/14/1988 | CN86107774B Contact material comprising silver based metallic oxides with mixed rare earth metals |
| 08/23/1988 | US4766041 Ductile low temperature brazing alloy |
| 08/16/1988 | US4764435 Brazing |