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Class Information
Number: 420/483
Name: Alloys or metallic compositions > Copper base > Zinc containing > Noble metal containing
Description: Alloy, or metallic composition which additionally contains at least one of the metals ruthenium, rhodium, palladium, osmium, iridium, platinum, silver, or gold.










Patents under this class:

Patent Number Title Of Patent Date Issued
8425697 Tin-free lead-free free-cutting magnesium brass alloy Apr. 23, 2013
7910512 Production process of electrode catalyst for fuel cell Mar. 22, 2011
7736448 Nano icrystals copper material with super high strength and conductivity and method of preparing thereof Jun. 15, 2010
7628872 Lead-free free-cutting copper-antimony alloys Dec. 8, 2009
7569511 Catalyst composition for alcohol steam reforming Aug. 4, 2009
6716541 Material for a metal strip Apr. 6, 2004
6632300 Copper alloy having improved stress relaxation resistance Oct. 14, 2003
6413330 Lead-free free-cutting copper alloys Jul. 2, 2002
5766377 Copper-zinc-alloy for use in drinking-water installations Jun. 16, 1998
5340529 Gold jewelry alloy Aug. 23, 1994
5198154 High temperature baking paste Mar. 30, 1993
5045411 Alloy compositions Sep. 3, 1991
4587097 Homogeneous low melting temperature brazing filler metal for joining ferrous and non-ferrous alloys May. 6, 1986
4464213 Nobleization of beta brass Aug. 7, 1984
4012228 Low intrinsic value alloys Mar. 15, 1977
3954457 Dental amalgam May. 4, 1976











 
 
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