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Class Information
Number: 420/563
Name: Alloys or metallic compositions > Lead base
Description: Alloy, or metallic composition containing over 50 percent of lead by weight.










Sub-classes under this class:

Class Number Class Name Patents
420/564 Alkali, alkaline earth metal or magnesium containing 19
420/572 Antimony containing 17
420/567 Arsenic containing 4
420/575 Cadmium containing 1
420/573 Copper containing 14
420/566 Silver containing 33
420/570 Tin containing 44
420/574 Zinc containing 2


Patents under this class:

Patent Number Title Of Patent Date Issued
8541335 Metal-carbon compositions Sep. 24, 2013
8318045 Radiation shielding members including nano-particles as a radiation shielding material and method for preparing the same Nov. 27, 2012
7740798 Alloy compositions and devices including the compositions Jun. 22, 2010
7704452 Alloy and anode for use in the electrowinning of metals Apr. 27, 2010
6835332 PROCESS FOR PRODUCING AN ELECTRODE MATERIAL FOR A RECHARGEABLE LITHIUM BATTERY, AN ELECTRODE STRUCTURAL BODY FOR A RECHARGEABLE LITHIUM BATTERY, PROCESS FOR PRODUCING SAID ELECTRODE STRUCTURAL Dec. 28, 2004
6319617 Oxide-bondable solder Nov. 20, 2001
6306516 Article comprising oxide-bondable solder Oct. 23, 2001
6224723 Electrowinning anodes which rapidly produce a protective oxide coating May. 1, 2001
6210547 Enhanced solder surface and process for chemically and mechanically enhancing solder surface properties Apr. 3, 2001
6086691 Metallurgical process for manufacturing electrowinning lead alloy electrodes Jul. 11, 2000
6016947 Non-destructive low melt test for off-composition solder Jan. 25, 2000
5690890 Solder Nov. 25, 1997
5681975 Single source metalloorgranic precursors to type 14-16 semiconductors Oct. 28, 1997
5514334 Fine lead alloy wire for forming bump electrodes May. 7, 1996
5384090 Fine wire for forming bump electrodes using a wire bonder Jan. 24, 1995
5207885 Target for reactive sputtering May. 4, 1993
5192377 Process of producing continuously cast monotectic aluminum-silicon alloy strip and wire Mar. 9, 1993
5019187 Brazing paste for bonding metal and ceramic May. 28, 1991
4891284 Lead-aluminum material Jan. 2, 1990
4867858 Insoluble anode made of lead alloy Sep. 19, 1989
4797328 Soft-solder alloy for bonding ceramic articles Jan. 10, 1989
4699764 Method for alloying metals having significantly different melting points Oct. 13, 1987
4676338 Composite material Jun. 30, 1987
4654275 Storage life of Pb-In-Ag solder foil by Sn addition Mar. 31, 1987
4581070 Multiphase backing materials for piezoelectric broadband transducers Apr. 8, 1986
4539041 Process for the reduction of metallic compounds by polyols, and metallic powders obtained by this process Sep. 3, 1985
4512950 Lead alloy soft solder containing radioactive particles used to make more reliable semiconductor devices Apr. 23, 1985
4439398 Method of alloying calcium and aluminum into lead Mar. 27, 1984
4427629 Process for metal-enrichment of lead bullion Jan. 24, 1984
4396677 Metal, carbon, carbide and other composites thereof Aug. 2, 1983
4332343 Process for in-situ modification of solder comopsition Jun. 1, 1982
3966470 Photo-conductive coating containing Ge, S, and Pb or Sn Jun. 29, 1976











 
 
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