C25F - Processes for the electrolytic removal of materials from objects; Apparatus therefor

More topics under "C25F - Processes for the electrolytic removal of materials from objects; Apparatus therefor" (8,899)
C25F 1 - Electrolytic cleaning, degreasing, pickling, or descaling (1,460)
C25F 3 - Electrolytic etching or polishing (4,256)
C25F 5 - Electrolytic stripping of metallic layers or coatings (699)
C25F 7 - Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating (2,484)

Patents for C25F - Processes for the electrolytic removal of materials from objects; Apparatus therefor (22)
02/2011
02/01/2011	US7879220 aluminum containing feedstock is prepared in a manner such that it contains substantially no humidity or water before it is fed to the cell, where the electrolytic process is carried out at conditions with reduced amount of hydrogen present
07/2009
07/08/2009	CN100510198C Process for the production of niobium or tantalum parts by electrochemical etching
01/2008
01/24/2008	US20080017518 Method And Means For Improving Electrolysis Cell Operation
10/2006
10/24/2006	CA2232571C Device for cleaning metal surfaces after they have been worked at high temperatures
08/2006
08/15/2006	US7090763 etching a masked sheet in a solution of hydrofluoric acid, a water soluble polymer, and ammonium hydrogen fluoride by superimposing noise on the etching current; permits thicknesses of greater than 50 microns; improved smoothness
01/2006
01/05/2006	WO2006001699A1 Method and means for improving electrolysis cell operation
10/2004
10/14/2004	DE10259934B3 Verfahren zur Herstellung von Formteilen aus Niob oder Tantal durch elektrochemisches Ätzen und so erhältliche Formteile A process for producing moldings made of niobium or tantalum by electrochemical etching and thus obtainable molded parts
09/2004
09/16/2004	US20040178081 Process for the production of shaped articles of niobium or tantalum by electrochemical etching
08/2004
08/18/2004	CN1521288A Process for the production of niobium or tantalum parts by electrochemical etching
07/2004
07/28/2004	EP1441049A1 Process for the production of niobium or tantalum parts by electrochemical etching
12/2003
12/02/2003	US6656341 Method of etching, as well as frame element, mask and prefabricated substrate element for use in such etching
10/2002
10/02/2002	CN1091805C Method and apparatus for automated stripping of zine sheets from aluminum cathode base plates
07/2002
07/04/2002	US20020086240 Method of etching, as well as frame element, mask and prefabricated substrate element for use in such etching
06/2001
06/13/2001	CN1067121C Device for cleaning metal surfaces after they have been worked at high temp.
01/2001
01/02/2001	CA2178776C Method and apparatus for automated stripping of zinc sheets from aluminum cathode base plates
11/2000
11/02/2000	EP0852629B1 Device for cleaning metal surfaces after they have been worked at high temperatures
07/2000
07/26/2000	EP1022361A2 Process for cleaning metals after their thermal treatment
10/1999
10/12/1999	US5964990 Device for cleaning metal surfaces
10/1998
10/28/1998	CN1197487A Device for cleaning metal surfaces after they have been worked at high temp.
07/1998
07/15/1998	EP0852629A1 Device for cleaning metal surfaces after they have been worked at high temperatures
02/1998
02/18/1998	CN1173553A Method and apparatus for automated stripping of zinc sheets from aluminum cathode base plates
04/1997
04/03/1997	WO1997012081A1 Device for cleaning metal surfaces after they have been worked at high temperatures