Resources Contact Us Home
Browse by Category: Main > Material Science
Class Information
Number: 420/521
Name: Alloys or metallic compositions > Zinc base > Copper containing
Description: Alloy, or metallic composition which additionally contains copper.

Sub-classes under this class:

Class Number Class Name Patents
420/522 Manganese, iron, cobalt, or nickel containing 2

Patents under this class:

Patent Number Title Of Patent Date Issued
7910512 Production process of electrode catalyst for fuel cell Mar. 22, 2011
6074494 Surface nitriding method of an aluminum material, and an auxiliary agent for nitriding Jun. 13, 2000
5658401 Copper-zinc alloy Aug. 19, 1997
5137685 Machinable copper alloys having reduced lead content Aug. 11, 1992
5039479 Silver alloy compositions, and master alloy compositions therefor Aug. 13, 1991
4451541 Soldering composition and method of use May. 29, 1984
4094671 Gold color copper alloy for restorative dentistry Jun. 13, 1978

  Recently Added Patents
Composition for enhancing memory and mitigating neurodegeneration and method thereof
Pressure-applying member, fixing device, and image forming apparatus
Coordinate locating method and apparatus
Method and system for remapping processing elements in a pipeline of a graphics processing unit
High conductive water-based silver ink
Metal colloidal particles, metal colloid and use of metal colloid
Hydrogenolysis of ethyl acetate in alcohol separation processes
  Randomly Featured Patents
Corner finishing system method
Lidless socket and method of making same
Combined radio and CD player
Method and apparatus for determination of volatile electrolytes
Maintenance decision support system and method
Image forming apparatus, charger, and image carrier unit
Vehicular lamp having waterproof cover
Hybrid multi-layer neural networks
Punching device for thin plates and punching units used with punching device
Anti-.alpha..sub.v.beta..sub.6 antibodies