Class 420/480 - Manganese containing

Subclass of Class 420 - Alloys or metallic compositions
Definition: Alloy, or metallic composition which additionally contains manganese.
No. of patents: 30
Last issue date: 04/08/2008

Number	Title	Issue Date
7354489	Lead-free copper alloy and a method of manufacture A lead-free copper alloy based on Cu—Zn—Si and a method of manufacture thereof. The copper alloy is built on the basis of copper, zinc and silicon without toxic additives and consists of: 70 to 83% Cu, 1 to 5% Si and the further matrix-active elements: 0.01 to 2...	04/08/2008
6632300	Copper alloy having improved stress relaxation resistance A copper alloy having improved stress relaxation resistance is formed from a copper base alloy that consists, by weight, essentially of 1.8%-3.0% iron, 0.01%-1.0% zinc, 0.001 %-0.25% phosphorus, 0.1 %-0.35% magnesium and the balance is copper and unavoida...	10/14/2003
6413330	Lead-free free-cutting copper alloys A lead-free free-cutting copper alloy having 69 to 79 percent, by weight, of copper; greater than 3 percent, by weight, of silicon; and a remaining percent, by weight, of zinc. The alloy preferable has greater than 3.0 percent and less than or equal to 4....	07/02/2002
6340446	Nickel-free white copper alloy A nickel-free white copper alloy represented by the general formula: Cua Znb Mnc Ald or Cua Znb Mnc Ald Xe, wherein X is at least one element selected from the g...	01/22/2002
6059901	Bismuthized Cu-Ni-Mn-Zn alloy Bismuth bearing copper-nickel-manganese-zinc corrosion and gall resistant castable alloy, particularly for use in food processing machinery, with the following weight percentage range: Nickel=12-28 Manganese=12-28 Zinc=12-28 Aluminum=0.5-2.00 Bismuth=2-6 Phosp...	05/09/2000
5908517	Alloy, in particular for use in the manufacture of frames for glass, jewelry, and the like A high-temperature, nickel-free alloy, in particular for spectacle frames, jewelry, etc. with the following composition in percentages by weight: ______________________________________ Zn 13.0-16.0% Mn 9.0-11.0% Fe 1.0...	06/01/1999
5788924	Wear resistant copper alloy and synchronizer ring made thereof A wear resistant copper alloy composition which includes: ______________________________________ Component (% by weight) ______________________________________ Zn 20 to 40 Al 2 to 11 at least one ...	08/04/1998
5658401	Copper-zinc alloy A copper-zinc alloy for semi-finished products and articles which are highly loaded and subjected to extreme wear especially synchronizing rings. The alloy possesses a composition of 40 to 65% Cu, 8 to 25% Ni, 2.5 to 5% Si, 0 to 3% Al, 0 to 3% Fe, 0 to 2%...	08/19/1997
5626987	Hydridable material for the negative electrode in a nickel-metal hydride storage battery A monophase hydridable material for the negative electrode of a nickel-metal hydride storage battery with a "Lave's phase" structure of hexagonal C14 type (MgZn2) has the general formula: Zr1-x Tix Nia Mnb...	05/06/1997
5489417	Spray cast copper-manganese-zirconium alloys having reduced porosity Spray cast copper-manganese-zirconium alloys are disclosed. In one embodiment, the alloy is spray cast in nitrogen and contains from about 1 ppm to about 20 ppm of dissolved nitrogen. In a second embodiment, the alloy contains an addition selected from th...	02/06/1996
5487867	Copper-bismuth casting alloys A copper based casting alloy in which lead is replaced by 0.1 to 7 wt % bismuth and 0.1 to 2 wt % mischmetal or its rare earth equivalent is used to improve the distribution of bismuth in the alloy. The alloy is further defined by additions of tin, zinc, ...	01/30/1996
5441696	Copper-nickel based alloy A copper-nickel based alloy, which comprises 3 to 25 wt % of Ni, 0.1 to 1.5 t % of Mn, 0.0001 to 0.01 wt % of B and the rest being Cu and an unavoidable element....	08/15/1995
5282908	High strength ଱ brass containing Mn, Si, Co, Fe, Sn and Pb A Mn-Si-Co-Fe-based high-strength brass alloy comprises, on the weight basis, 15 to 25% of Zn, 1.0 to 5.0% of Mn, 0.3 to 2.0% of Si, 0.01 to 0.5% of Fe, 0.01 to 2.0% of Co, 0.2 to 1.0% of Sn, 5 to 10% of Pb and the balance being Cu and inevitable impuriti...	02/01/1994
5270001	Alloy, in particular for use in the manufacture of jewelry, frames for glass, and the like An alloy, in particular for use in the manufacture of jewelry, frames for glasses, and the like. In order to be able to manufacture jewelry, frames for glasses, and the like of a nickel-free alloy inexpensively and well, the following alloy has been produ...	12/14/1993
5246509	Copper base alloy superior in resistances to seizure, wear and corrosion suitable for use as material of sliding member A copper base alloy suitable for use as a material of a sliding member, superior in seizure resistance, wear resistance and corrosion resistance. The alloy comprises 1.0 to 3.5 wt % Mn, 0.3 to 1.5 wt % Si, 11.5 to 25 wt % Zn, 5 to 18 wt % Pb and the balan...	09/21/1993
5183637	Wear resistant copper alloys A wear-resistant copper alloy containing 1.2 to 8.5% Mn, 0.3 to 2.5% Si, 3.0 to 8.0% Al, 20 to 40% Zn, 0.05% to 1.5% Te, and the balance of Cu and unavoidable impurities. The alloy includes other variations based on by adding (1) 0.5 to 3% Ni, (2) 0.5 to ...	02/02/1993
5069874	Method for reducing high-load, low-speed wear resistance in sliding members Disclosed herein is a wear-resistance alloy comprising 10 to 40 wt % of Zn, 3 to 10 wt % of Al, 0.1 to 4 wt % of Cr and the balance Cu....	12/03/1991
4995924	Synchronizer ring in speed variator made of copper-base alloy A novel synchronizer ring for use in a speed variator that is made of a Cu base alloy and which exhibits good initial accommodation by mating surfaces while ensuring high wear resistance is disclosed. The ring is made of a Cu base alloy containing 20-40% ...	02/26/1991
4954187	Precipitates copper-zinc alloy with nickel silicide Utilization of a copper-zinc alloy for semifinished materials and semi-manufactured articles; especially synchronizing rings. The copper-zinc alloy is essentially constituted of 50 to 65% copper, 1 to 6% aluminum, 0.5 to 5% silicon, 5 to 8% nickel, as wel...	09/04/1990
4874439	Synchronizer ring in speed variator made of wear-resistant copper alloy having high strength and toughness A synchronizer ring for use in an automotive speed variator. The ring not only has high strength and toughness but also exhibits high wear resistance, as well as good synchronizing characteristics with respect to a mating member as expressed in terms of f...	10/17/1989
4786470	Aluminum-bronze dental alloy A new aluminum-bronze dental alloy and restoration technique is disclosed in which castability and burnishability are improved by the presence of 1 to 8 percent zinc....	11/22/1988
4749548	Copper alloy lead material for use in semiconductor device Copper alloy lead materials used in the fabrication of semiconductor devices such as ICs and LSIs are required to have a tensile strength of 40 kgf/mm2 or more, an elongation of 4% or more, an electrical conductivity of 50% IACS or more, and a ...	06/07/1988
4642146	Alpha copper base alloy adapted to be formed as a semi-solid metal slurry A copper base alloy capable of forming a microstructure comprising a plurality of discrete particles in a surrounding metal matrix having a lower melting point than the particles. The alloy consists essentially of from about 3% to about 6% nickel, from ab...	02/10/1987
4632806	Copper alloy having high resistance to oxidation for use in leads on semiconductor devices A Cu alloy having high resistance to oxidation for use in leads on semiconductor devices is disclosed. The alloy consists essentially of 7-15 wt % Mn, 10-30 wt % Zn, 0.2-10 wt % Ni, 0.1-3 wt % Al, with the balance being Cu and incidental impurities. Also ...	12/30/1986
4289744	Material and method to dissociate water A material and method for the decomposition/dissociation of water into hydrogen and oxygen is disclosed. The material comprises an amalgam of an alkali metal, mercury, and aluminum combined with a catalytically effective amount of an alloy comprising nick...	09/15/1981
4249942	Copper base alloy containing manganese and cobalt A copper base alloy having improved stress relaxation resistance consisting essentially of about 10.0 to 31% zinc; about 1.0 to 5.0% aluminum; about 0.1 to 3.0% cobalt; about 0.5 to 8% manganese; and the balance essentially copper....	02/10/1981
4242133	Copper base alloy containing manganese A copper base alloy having improved stress relaxation resistance consisting essentially of: about 15.0 to 31% zinc; about 1.0 to 5.0% aluminum; about 1.1 to 8% manganese; and the balance copper....	12/30/1980
4242132	Copper base alloy containing manganese and nickle A copper base alloy having improved stress relaxation resistance consisting essentially of: about 15.0 to 31% zinc; about 1.0 to 5.0% aluminum; about 0.1 to less than 1.0% nickel; about 1.1 to 8% manganese; and the balance essentially copper....	12/30/1980
4242131	Copper base alloy containing manganese and iron A copper base alloy having improved stress relaxation resistance consisting essentially of: about 15.0 to 31% zinc; about 1.0 to 5.0% aluminum; about 0.1 to less than 1% iron; about 1.1 to 8% manganese; and the balance essentially copper....	12/30/1980
3948432	Brazing preforms and method of brazing Brazing preforms are disclosed which may take the form of wire, sheet or strip, and which are useful for joining copper, ferrous and nickel base alloys. The preforms of this invention are prepared from an alloy which contains manganese from 22 to 40%, iro...	04/06/1976

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Class 420/480 - Manganese containing