Patents for C25F 1 - Electrolytic cleaning, degreasing, pickling, or descaling (1,460)
11/1983
11/15/1983US4415415 Oxidation, electrolysis; acid treatment
11/08/1983US4414078 Method for pretreatment in the production of tin-free steel
10/1983
10/26/1983EP0092342A2 Method for producing a steel strip having an excellent phosphate-coating property
10/19/1983EP0091627A2 Process for cleaning, degreasing and activating metallic surfaces
09/1983
09/27/1983US4406761 Electrolysis, nonconductor, abrasive
08/1983
08/30/1983US4401533 Surface-treatment of carbon fiber
08/09/1983US4397721 Pickling of aluminum
08/02/1983CA1151101A1 Descaling steel wire by non-contact current with ferrous ions present
07/1983
07/19/1983US4394232 Pickling of aluminum
07/05/1983US4391685 Process for electrolytically pickling steel strip material
03/1983
03/23/1983EP0074463A1 Method and apparatus for cleaning the inner walls of metallic tubular systems by electropolishing by means of moving electrodes
01/1983
01/05/1983EP0068174A1 Improved electrolytic silver tarnish removal method
12/1982
12/14/1982US4363709 High current density, acid-free electrolytic descaling process
10/1982
10/12/1982US4353786 Electrolytic silver tarnish removal method
09/1982
09/08/1982EP0059527A1 High current density, acid-free electrolytic descaling process
07/1982
07/20/1982CA1127994A1 Electroplating aluminium
06/1982
06/30/1982EP0054743A1 Process for the chemical removal of oxidic layers from titanium or titanium alloys
06/29/1982CA1126630A1 Method of treating electrodes
05/1982
05/26/1982EP0052509A2 Method of removing oxide on a metal surface
03/1982
03/09/1982US4318786 Electrolysis of rhdioactive coolants
12/1981
12/16/1981EP0041638A1 Method for the pretreatment of stainless steel for the direct electrodeposition of gold
10/1981
10/13/1981CA1110576A1 Electrocleaning process
10/07/1981EP0037190A1 Method of electrolytically decontaminating components of nuclear reactor system
09/1981
09/29/1981US4292148 Post-treatment of etched aluminum capacitor foil
08/1981
08/18/1981US4284482 Electrochemical oxidation
06/1981
06/30/1981US4276133 Ferrous chloride, alkali metal chloride
06/09/1981US4272334 Method of fluidification of liquid between plane parallel plates by jetting the liquid
04/1981
04/28/1981US4264418 Method for detersifying and oxide coating removal
03/1981
03/24/1981CA1098076A1 Reduction of steel cathode overpotential
03/10/1981US4255239 Conditioning with urea or thiosemicarbazide before electrodeposition
02/1981
02/17/1981CA1095849A1 Wire cleaning system
10/1980
10/28/1980CA1088457A1 Treating metallic article in molten oxidizing salt before immersion in electrolyte
09/1980
09/02/1980CA1084868A1 Water waste treatment with periodic current reversal in production of microbubbles
07/1980
07/22/1980US4213839 Process for improving the adhesion of paint to steel sheets
07/15/1980CA1081653A1 Descaling metallic article in alkaline and neutral electrolytes
05/1980
05/06/1980US4201650 Apparatus for continuous electrolytic descaling of steel wire with mill scales
12/1979
12/11/1979US4178194 Oxidation resistance while hot rolling and controlling electrical potential
11/1979
11/13/1979US4174269 Maintaining metal body anodic in aqueous hydroxy acid solution to decrease electrode potential
10/1979
10/31/1979EP0005123A1 Pretreatment of metal sheets for improving the adhesion of paint systems, and metal sheets so obtained
10/02/1979US4169770 Electroplating aluminum articles
10/02/1979CA1063548A1 Electrolytic decomposition of ferrous sulphate in pickle waste liquor
07/1979
07/31/1979US4162949 Reduction of steel cathode overpotential
04/1979
04/17/1979US4149942 Free radical oxidizers
01/1979
01/16/1979CA1046455A1 Electrolytic treating apparatus
01/16/1979CA1046387A1 Method and composition for cleaning the surface of ferrous metal
12/1978
12/12/1978US4129485 Method for electrolytic removal of scale from band steel
12/12/1978CA1044174A1 Tinned steel plate free from surface graphite
11/1978
11/28/1978US4127450 Method for pretreating surfaces of steel parts for electroplating with organic or inorganic coatings
09/1978
09/12/1978CA1038328A1 Prevention of unwanted deposits in polymerization processes
01/1978
01/03/1978US4066521 Metallic descaling system
09/1977
09/06/1977US4046592 Wire cleaning system
08/1977
08/16/1977US4042475 Bath of sulfuric acid
08/02/1977US4039410 Electrocleaning process
07/1977
07/12/1977US4035256 Process for electrolytic removal of lubricants from steel strip
05/1977
05/31/1977US4026777 Immersion in molten oxidizing salt, then in aqueous electrolyte
05/31/1977US4026737 Method for coloring a stainless steel
03/1977
03/15/1977US4012299 Metallic descaling system
03/01/1977US4010086 Alkali metal hydroxide, alkali metal salt of 1-hydroxyethylidene-1,1-diphosphonic acid
07/1976
07/13/1976US3969203 Electrolytic
04/1976
04/20/1976US3951681 Oxidation, chelation
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