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Class Information
Number: 205/217
Name: Electrolysis: processes, compositions used therein, and methods of preparing the compositions > Electrolytic coating (process, composition and method of preparing composition) > Treating substrate prior to coating > Treating substrate with liquid other than tap water (e.g., for removing foreign material, etching, activating, etc.) > Predominantly iron or steel substrate
Description: Subject matter wherein elemental iron is the major or predominant constituent of the substrate.

Sub-classes under this class:

Class Number Class Name Patents
205/218 Steel containing chromium or nickel (e.g., stainless steel, etc.) 21

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8613847 Method of applying polyelectrolyte multilayer film for corrosion control Dec. 24, 2013
8595921 Electrodes made using surfacing technique and method of manufacturing the same Dec. 3, 2013
8529747 Methods for repairing steel components Sep. 10, 2013
8323472 Method of surface treatment of metal base material Dec. 4, 2012
8048285 Low hydrogen embrittlement zinc/nickel plating for high strength steels Nov. 1, 2011
7517443 Tin plating electrolyte composition and method for electroplating surfaces with tin Apr. 14, 2009
7422629 Nonsludging zinc phosphating composition and process Sep. 9, 2008
7296517 Roll for metal rolling, and support for lithographic printing plate Nov. 20, 2007
7185055 Chat system and record medium readable by chat system Feb. 27, 2007
7144637 Multilayer, corrosion-resistant finish and method Dec. 5, 2006
7011738 Activation of a cathode Mar. 14, 2006
6960370 Methods of forming medical devices Nov. 1, 2005
6416648 Method of manufacturing steel sheets coated with Zn-Fe alloy Jul. 9, 2002
6290836 Electrodes Sep. 18, 2001
6174426 Tin-plated steel with adhesion promoter Jan. 16, 2001
6146735 Information storage device having coated metal hub Nov. 14, 2000
6146516 Method and device for the repair and/or touch-up of small surface flaws in a press plate or an endless band for surface-embossing of plastic-coated wooden or laminated panels Nov. 14, 2000
6090254 Process for coating metallic molding articles Jul. 18, 2000
6066403 Metals having phosphate protective films May. 23, 2000
5630933 Processes involving metal hydrides May. 20, 1997
5618401 Inner-shield material to be attached inside a color cathode ray tube and manufacturing method thereof Apr. 8, 1997
5546215 Optical scanning apparatus Aug. 13, 1996
5476581 Method of producing a weapon barrel having a wear-resistant inner coating Dec. 19, 1995
5395510 Efficient preparation of blackened steel strip Mar. 7, 1995
5348639 Surface treatment for iron-based permanent magnet including rare-earth element Sep. 20, 1994
5286366 Surface treatment for iron-based permanent magnet including rare-earth element Feb. 15, 1994
5246565 High adherence copper plating process Sep. 21, 1993
5240783 Steel plate for the outside of automobile bodies electroplated with a zinc alloy and a manufacturing method therefor Aug. 31, 1993
5209988 Steel plate for the outside of automobile bodies electroplated with a zinc alloy and a manufacturing method therefor May. 11, 1993
5151167 Coins coated with nickel, copper and nickel and process for making such coins Sep. 29, 1992
5094730 Method for forming a metallic coating on steel pipes Mar. 10, 1992
5084145 Method for manufacturing one-sided electroplated steel sheet Jan. 28, 1992
5013411 Method for producing a corrosion resistant rare earth-containing magnet May. 7, 1991
5000828 Process for producing one-side electrogalvanized steel sheet with distinguished susceptibility to phosphate salt treatment and distinguished appearance on the non-electrogalvanized side Mar. 19, 1991
4969980 Process for electroplating stainless steel strips with zinc or zinc-nickel alloy Nov. 13, 1990
4966659 Method for molten salt electroplating of steel Oct. 30, 1990
4966660 Process for electrodeposition of aluminum on metal sheet Oct. 30, 1990
4886585 Electrolytic process for applying thin silver coatings to stainless steel, particularly in bearing races Dec. 12, 1989
4859289 Process for producing a metal wire useful as rubber product reinforcement Aug. 22, 1989
4859287 Method for producing colored stainless steel stock Aug. 22, 1989
4846939 Method for producing a grain-oriented electrical steel sheet having an ultra low watt loss Jul. 11, 1989
4731166 Method of producing an adherent, smooth deposit of chromium on a nodular iron substrate Mar. 15, 1988
4717456 Two-step electrolytic activation process for chromium electrodeposition Jan. 5, 1988
4711705 Activation composition and method for forming adherent chromium electrodeposits on ferrous metal substrates from high energy efficient baths Dec. 8, 1987
4668355 Solutions for extracting magnetic particles May. 26, 1987
4668348 Method for forming adherent, bright, smooth and hard chromium electrodeposits on ferrous metal substrates from high energy efficient chromium baths May. 26, 1987
4619742 Process for the simultaneous graining and chromium-plating of steel plates as supports for lithographic applications Oct. 28, 1986
4614568 High-speed silver plating and baths therefor Sep. 30, 1986
4601957 Method for producing a thin tin and nickel plated steel sheet for welded can material Jul. 22, 1986
4585529 Method for producing a metal lithographic plate Apr. 29, 1986

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