Patents for C25F 1 - Electrolytic cleaning, degreasing, pickling, or descaling (1,460)
06/1990
06/19/1990US4935112 Inducing current through strand without direct contact; surface treatment; demetallization; cleaning
06/19/1990CA1270429A1 Scale removal composition
06/14/1990WO1990006382A1 Method for purifying quaternary ammonium hydroxides
05/1990
05/09/1990EP0367112A1 Method of descaling stainless steel and apparatus for same
05/03/1990WO1990004664A1 Method for electrochemically treating articles made of conductive materials
04/1990
04/19/1990WO1990004047A1 Method relating to the manufacturing of cold rolled strips and sheets of stainless steel
04/11/1990EP0362445A1 Electrical conditioning system for electrodes in an electrolysis cell
04/10/1990US4915864 Carboxylic acid or salts thereof as solubilizing agent wetting agent for glass, fibers, metals
04/05/1990WO1990003457A1 Method for plating on titanium
03/1990
03/21/1990EP0359736A1 Method of electrolytically pickling special steel
02/1990
02/20/1990US4902388 Method for electroplating nickel onto titanium alloys
02/08/1990WO1990001080A1 A steel wire for the reinforcement of elastomers
01/1990
01/30/1990CA1265093A1 Process for cleaning metal filters
01/24/1990EP0351909A1 A steel wire for the reinforcement of elastomers
12/1989
12/20/1989EP0346547A1 Method for processing cold-rolled stainless-steel sheet and strip
10/1989
10/18/1989EP0337342A1 Process for the stripping of a photoresist
09/1989
09/27/1989EP0334222A1 Permanent domain refinement by aluminum deposition
09/05/1989CA1259050A1 Method and apparatus for the continuous annealing of steel strips
08/1989
08/22/1989US4859298 Process and apparatus for electrolytically removing protective layers from sheet metal substrate
08/22/1989US4859297 Process for descaling cold-rolled and annealed stainless steel strip
08/22/1989US4859287 Method for producing colored stainless steel stock
07/1989
07/25/1989US4851092 Process for electrolytically pickling chromium-containing stainless steel
07/19/1989EP0324116A2 Method and apparatus for producing one-side electroplated steel strip with enhanced phosphatability
07/05/1989EP0323155A1 Method for producing low iron loss grain oriented silicon steel sheets
06/1989
06/27/1989CA1256396A1 Cleaning of conductive membrane electrode in electrochemical cell
06/07/1989EP0319313A2 Process for descaling cold rolled and annealed steel
06/06/1989US4836900 Process for the decontamination of the surface of a metal port contaminated by tritium and apparatus usable for this process
04/1989
04/25/1989US4824536 Induction annealing, electrolysis descaling
03/1989
03/21/1989CA1251380A1 Surface preparation of nickel base alloys for brazing
02/1989
02/28/1989US4808278 Method and apparatus for producing one-side electroplated steel strip with enhanced phosphatability
01/1989
01/26/1989WO1989000430A1 Electrochemical contact lens disinfection and neutralization system
01/03/1989US4795537 Electrical conditioning system for electrodes in an electrolysis cell
12/1988
12/28/1988EP0296431A2 Use of a branched carboxylic acid as additive for an alkaline detergent composition for cleaning metallic articles in an electrolytic cleaning operation
12/20/1988CA1247040A1 Process for removing surface oxides from a metal substrate
12/13/1988CA1246487A1 Method for electrolytically treating a steel strip with alkali metal and/or ammonium phosphate
11/1988
11/17/1988EP0291493A1 Process for electrolytic pickling of chrome containing stainless steel
11/17/1988DE3715454A1 Unit for electrochemically cleaning elongated materials, predominantly wire, used in welding
11/01/1988US4781804 Plastic from encapsulation of integrated circuits
10/1988
10/18/1988CA1243268A1 Process for producing cold rolled steel strip highly susceptible to conversion treatment
10/11/1988US4776933 Dividing electrolyte stream, flowing of anodic stream along surface
09/1988
09/21/1988EP0282863A2 Liquid alkaline cleaning concentrates
09/20/1988US4772367 Apparatus for and a method of electrochemically polishing pipe inside surfaces
08/1988
08/23/1988US4765958 Process for inhibiting the corrosion of a mass of metal in contact with an acid bath containing ferric ions
07/1988
07/13/1988EP0274329A1 Process for decontaminating the surface of a metallic component contaminated by tritium, and device for using said process
06/1988
06/07/1988US4749449 Metallization utilizing a catalyst which is removed or deactivated from undesired surface areas
05/1988
05/24/1988US4746453 Hydroxide, silicate, nonionic surfactant
02/1988
02/10/1988CN86209130U Neutral solution tank for wire-descaling
01/1988
01/19/1988US4720332 Nickel strip formulation
12/1987
12/15/1987US4713154 Continuous annealing and pickling method and apparatus for steel strips
12/15/1987US4713153 Process and apparatus for cleaning by electrochemical pickling with alternating current of specified frequency
12/08/1987US4711707 Method for removal of scale from hot rolled steel
12/02/1987EP0247209A1 Apparatus and process for electrochemically polishing the inner surfaces of pipes
12/01/1987US4710280 Method and apparatus for electrochemically cleaning gun bores and the like
10/1987
10/28/1987EP0242421A1 Method and apparatus for electrochemical polishing and pickling
09/1987
09/09/1987EP0235595A2 Process, installation and apparatus for continuously degreasing and cleaning metal strips, in particular cold-rolled steel strips
06/1987
06/23/1987US4675087 Semiconductor purification by solid state electromigration
04/1987
04/28/1987US4661220 Method for local cleaning of surfaces on a nuclear reactor which are coated with oxides or other corrosion products, in connection with inspection
04/21/1987US4659438 Process for the treatment of stainless steel for a direct galvanic gold plating
03/1987
03/24/1987US4652347 Acid activation baths
03/11/1987EP0213810A1 Continuous annealing and pickling method and apparatus for steel strips
02/1987
02/03/1987US4640752 Method for producing silver colored brazing alloy
02/03/1987CA1217451A1 Method of controlling oxide scale formation and descaling thereof from metal articles
01/1987
01/21/1987EP0209168A1 Process and apparatus for cleaning by electrochemical pickling with alternating current of specified frequency
12/1986
12/17/1986EP0204846A1 Method of manufacturing colored stainless steel materials and apparatus for continuously manufacturing same
11/1986
11/26/1986EP0202870A1 Apparatus and method for anodic treatment
11/25/1986US4624760 Filter cleaning
10/1986
10/21/1986US4618379 Method for the continuous annealing of steel strips
09/1986
09/16/1986US4612094 Electrical conditioning of a platinum electrode useful in measurement in hypochlorite
09/02/1986US4609594 Process for producing cold rolled steel strip highly susceptible to conversion treatment and product thereof
08/1986
08/13/1986EP0190465A2 Process for electroplating amorphous alloys
07/1986
07/30/1986EP0189334A1 Surface preparation of nickel base alloys for brazing
06/1986
06/05/1986WO1986003229A1 Method of manufacturing colored stainless steel materials and apparatus for continuously manufacturing same
05/1986
05/13/1986US4588488 Method of removing oxide on metal surface
01/1986
01/29/1986EP0169825A1 Process for the superficial treatment of steel plate
01/28/1986US4566939 Formation and removal of oxide layer
12/1985
12/27/1985EP0165744A1 Membrane cleaning
11/1985
11/27/1985EP0162491A1 Process for inhibiting corrosion of a metallic mass in contact with an acidic bath containing ferric ions
11/19/1985CA1196884A1 Electrolytic silver tarnish removal method
10/1985
10/01/1985US4544462 Process for removing metal surface oxide
08/1985
08/13/1985US4534834 Using a three phase alternating current, recitifing one
07/1985
07/31/1985EP0149938A2 Process for electrochemical removing gangue that surrounds metallic elements in loose materials
06/1985
06/25/1985US4525250 Cleaning with a non-aqueous solution of hydrogen fluoride, alkali fluorides and/or ammonium fluoride prior to coating
06/11/1985US4522892 Electrolysis of alkali metal or ammonium phosphates
05/1985
05/29/1985EP0143051A2 Process for removing gangue from metallic parts
05/14/1985CA1187037A1 High current density, acid-free electrolytic descaling process
01/1985
01/23/1985EP0132226A1 Process for the continuous pretreatment of an aluminium ribbon or foil by electrochemical oxidation
01/23/1985EP0131960A2 Process for producing cold rolled steel strip highly susceptible to conversion treatment
01/15/1985US4493756 Electrolysis using filter as electrode, then rinsing
12/1984
12/27/1984EP0129447A1 Process for cleaning metal filters
12/27/1984EP0129194A1 Process for removing metal surface oxide
11/1984
11/21/1984EP0125401A1 Method for decontaminating metals contaminated with radioactive substances
11/06/1984US4481089 Alternating electrolysis in neutral salt solution
07/1984
07/18/1984EP0113500A2 Process for manufacturing metal articles and for removing oxide scale therefrom
05/1984
05/22/1984US4450058 Method for producing bright stainless steel
04/1984
04/25/1984EP0106166A1 Method and apparatus for the continuous annealing of steel strips
04/24/1984CA1166186A1 Surface-treatment of carbon fiber
03/1984
03/27/1984US4439289 Process for removal of magnetic coatings from computer memory discs
03/27/1984CA1164404A1 Galvanic post-treatment of etched aluminum capacitor foil
02/1984
02/21/1984CA1162509A1 Electrolytic decontamination
01/1984
01/24/1984CA1160980A1 Method for pretreatment in the production of tin-free steel
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