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Browse by Category: Main > Material Science
Class Information
Number: 420/582
Name: Alloys or metallic compositions > Containing over 50 per cent metal but no base metal > Iron containing > Copper containing
Description: Alloy, or metallic composition which additionally contains copper.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
4824638 Corrosion resistant alloy Apr. 25, 1989
4822693 Copper-iron-nickel composite material for electrical and electronic applications Apr. 18, 1989
4822415 Thermal spray iron alloy powder containing molybdenum, copper and boron Apr. 18, 1989
4818483 Alloy resistant to seawater and corrosive process fluids Apr. 4, 1989
4816218 Process of using an iron-nickel-chromium alloy in an oxidation attacking environment Mar. 28, 1989
4816217 High-strength alloy for industrial vessels Mar. 28, 1989
4806305 Ductile nickel-silicon alloy Feb. 21, 1989
4795610 Corrosion resistant alloy Jan. 3, 1989
4765957 Alloy resistant to seawater and other corrosive fluids Aug. 23, 1988
4740353 Austenitic stainless steel Apr. 26, 1988
4711826 Iron-nickel alloys having improved glass sealing properties Dec. 8, 1987
4591483 Noble metal alloys for dental uses May. 27, 1986
4586957 Iron-base alloy materials having excellent workability May. 6, 1986
4578125 Permanent magnet Mar. 25, 1986
4565587 Permanent magnet alloy Jan. 21, 1986
4557895 Yellow gold alloy Dec. 10, 1985
4545826 Method for producing a weldable austenitic stainless steel in heavy sections Oct. 8, 1985
4530720 High temperature oxidation resistant austenitic steel Jul. 23, 1985
4512965 Hydrogen storage materials of hyperstoichiometric alloys Apr. 23, 1985
4489040 Corrosion resistant nickel-iron alloy Dec. 18, 1984
4487744 Corrosion resistant austenitic alloy Dec. 11, 1984
4487743 Controlled expansion alloy Dec. 11, 1984
4457891 Hydrogen storage alloy Jul. 3, 1984
4456481 Hot workability of age hardenable nickel base alloys Jun. 26, 1984
4453976 Corrosion resistant thermal spray alloy and coating method Jun. 12, 1984
4448749 Heat resistant cast iron-nickel-chromium alloy May. 15, 1984
4443406 Heat-resistant and corrosion-resistant weld metal alloy and welded structure Apr. 17, 1984
4439236 Complex boride particle containing alloys Mar. 27, 1984
4430297 Hard nickel-base alloy resistant to wear and corrosion Feb. 7, 1984
4421557 Austenitic stainless steel Dec. 20, 1983
4415532 Cobalt superalloy Nov. 15, 1983
4410489 High chromium nickel base alloys Oct. 18, 1983
4410604 Iron-based brazing alloy compositions and brazed assemblies with iron based brazing alloys Oct. 18, 1983
4409181 Brazing compositions Oct. 11, 1983
4402745 New iron-aluminum-copper alloys which contain boron and have been processed by rapid solidification process and method Sep. 6, 1983
4401622 Nickel-chromium-iron alloy Aug. 30, 1983
4400349 Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking Aug. 23, 1983
4396576 Alloy for occlusion of hydrogen Aug. 2, 1983
4384891 Metal alloy with high catalytic activity May. 24, 1983
4376650 Hot workability of an age hardenable nickle base alloy Mar. 15, 1983
4375996 Rare earth metal-containing alloys for permanent magnets Mar. 8, 1983
4370163 Hydrogen storage alloy and process for making same Jan. 25, 1983
4363659 Nickel-base alloy resistant to wear Dec. 14, 1982
4353742 Cobalt-containing alloys Oct. 12, 1982
4347080 Austenitic free-cutting stainless steel Aug. 31, 1982
4309489 Fe-Ni-Cu-Cr Layered bimetal Jan. 5, 1982
4278465 Corrosion-resistant alloys Jul. 14, 1981
4229215 Non-precious stainless dental alloy Oct. 21, 1980
4216015 Wear-resistant iron-nickel-cobalt alloys Aug. 5, 1980
4202687 Low melting point Ni-Cr alloy for cast dental products May. 13, 1980

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