Patents for C25D 3 - Electroplating; Baths therefor (11,896)
09/1991
09/17/1991US5049286 Process for purification of nickel plating baths
09/09/1991CA2036843A1 Method for manufacturing electrogalvanized steel sheet excellent in spot weldability
09/04/1991CN1013773B Compound brightener for the use in electrozincing
08/1991
08/28/1991EP0443877A1 Gas turbine blades
08/28/1991EP0443009A1 Electrodeposited foil with controlled properties for printed circuit board applications and procedures and electrolyte bath solutions for preparing the same
08/27/1991US5043230 Multilayer; manganese concentration gradient
08/22/1991DE4011201C1 Coating workpiece with chromium for improved corrosion resistance - comprises using aq. electrolyte soln. contg. chromic acid sulphate ions, and fluoro:complexes to increase deposition
08/22/1991DE4005502A1 Electro coating screws to provide protective layer - by immersing and rotating in electrolyte containing aluminium
08/21/1991CN1053933A Technology for gold plating of small decorations
08/21/1991CN1013592B Process for producing cyanogenless continuous copper plating
08/21/1991CN1013591B Solution for high efficiency brush plating of abrasion-resisting chromium coating
08/21/1991CN1013590B Plating solution for brush-plating pb-sn-cu antiwear film by electric-brush plating method
08/20/1991US5041194 Aluminum electroplating method
08/14/1991EP0441238A2 Electrodeposited invar composite foil
08/14/1991CN1053818A Electrodeposited foil with controlled properties for printed circuit board applications and procedures and electrolyte bath solutions for preparing same
08/13/1991US5039576 From bath having alkyl sulfonic acid electrolyte, low melting
08/07/1991EP0440027A2 Additive for acid-copper electroplating baths to increase throwing power
08/06/1991CA2009442A1 Method of making a band for a band press
08/06/1991CA1287321C Chromium electroplating
07/1991
07/31/1991CN1053453A Electroplating technique of gun-colored (nickel-tin alloy) watchcase material
07/25/1991DE4001960A1 Zinc-nickel alloy electroplating of steel strip - with minimal carbon di:oxide entrainment on nickel carbonate addn. to electrolyte
07/16/1991US5032467 Polyimides, bonding strength
07/16/1991US5032464 Electrodeposited amorphous ductile alloys of nickel and phosphorus
07/16/1991US5032236 Electrolysis, oxidation, protective coating
07/11/1991WO1991009992A1 Process for continuously applying electro-deposited manganese or manganese alloy coating to steel plate
07/11/1991WO1991009991A1 Multilayer surface coating method and method for bonding parts thereby treated
07/09/1991CA1285901C Plating bath and method for electroplating tin and/or lead
07/09/1991CA1285857C Method of surface treating aluminum alloy
07/03/1991EP0435835A2 Process for electroplating zinc alloy and apparatus employed therefor
07/02/1991US5028301 Supersaturation plating of aluminum wettable cathode coatings during aluminum smelting in drained cathode cells
07/02/1991CA1285520C Electrolytic galvanizing process with controlled current density
06/1991
06/26/1991EP0124574B1 Method and apparatus for the manufacture of non-allergy creating precious metal objects
06/20/1991DE4040526A1 Electrocoating bath for gold alloys - using auric cyanide complex and alloy salt of alkyl:sulphonic or hydroxy:alkyl:sulphonic acid
06/18/1991US5024900 Composite nickel-phosphorus alloy plated metal sheet excellent in strippability and having high hardness and method for manufacturing same
06/18/1991US5024736 Process for electroplating utilizing disubstituted ethane sulfonic compounds as electroplating auxiliaries and electroplating auxiliaries containing same
06/18/1991US5024733 Palladium alloy electroplating process
06/12/1991EP0431822A2 Bead wire for tyres
06/12/1991EP0431228A1 Method of copper-nickel-chromium bright electroplating which provides excellent corrosion resistance and plating film obtained by the method
06/11/1991US5023146 Black surface-treated steel sheet
06/11/1991US5022968 Oxidation resistance; removable with dilute hydrochloric or sulfuric acid
06/05/1991CN1051942A Quick electronickelling brightener and methods for manufacturing and applying thereof
06/04/1991US5021301 Method of producing a steel sheet plated with Zn-Mg alloy superior both in plating adhesion and corrosion resistance, and steel sheet plated with the same
06/04/1991US5021130 Electrolysis of alkanesulfonic acid or tin and or/lead alkanesulfonate
05/1991
05/29/1991CN1012688B High performance electrodeposited chromium layers
05/28/1991US5019223 Black chromium plating bath useful for solar reflecting coatings
05/28/1991US5019222 Copper-Cobalt Alloy
05/15/1991EP0427616A1 Nickel plating solution, nickelchromium electroplating method and nickel-chromium plating film
05/14/1991US5015538 Multilayer polymer metal composite formed by electrodeposition
05/14/1991US5015340 Method of continuous coating of electrically conductive substrates
05/07/1991WO1991006693A1 Protection of lead-containing anodes during chromium electroplating
05/02/1991WO1991005658A1 Method and composition for depositing a chromium-zinc anti-tarnish coating on copper foil
05/02/1991EP0424856A1 Method of producing a steel sheet plated with Zn-Mg alloy superior both in plating adhesion and corrosion resistance, and sheet plated with the same
05/01/1991CN1051060A Electric depositing solution of antiwear non-crystal alloy of iron, nickel, phosphorus and its process
04/1991
04/30/1991US5011581 Electrodeposition at cathode
04/25/1991DE3934866A1 Verfahren zur abscheidung von blei- und bleihaltigen schichten, elektrolyte zur durchfuehrung des verfahrens sowie verwendung von tensiden in sauren blei-elektrolyten Layers process for deposition of lead and lead-containing electrolytes for performing the method as well as the use of surfactants in acidic lead-electrolyte
04/24/1991EP0423947A2 Process for electroplating electroactive polymers and articles derived therefrom
04/24/1991EP0318513B1 Method for forming a metal coating on a substrate
04/24/1991CN1050910A Wide-temp. low chrome anhydride chroming additive
04/17/1991EP0422760A1 Amorphous alloy and process for preparation thereof
04/17/1991CN1050689A Process, vessel and installation for continuous/intermittent coating of objects by passage of said objects in bath of liquid coating product
04/16/1991US5007991 Complexes with potassium fluoride
04/09/1991US5006420 Electroplated steel sheet having a plurality of coatings, excellent in workability, corrosion resistance and water-resistant paint adhesivity
04/09/1991US5006208 Coatings are used in jewelry, and decoration
04/04/1991WO1991004359A1 Improvements in or relating to the electrodeposition of zinc or zinc alloy coatings
04/04/1991DE3932119A1 Bipolar lead-lead di:oxide electrode prodn. - by coating substrate foil in galvanic bath contg. carrier electrode(s) clamped between two metallic terminal electrodes
04/03/1991EP0419845A2 Method for preparing metallized polyimide composites
04/02/1991US5004525 Copper electroplating composition
03/1991
03/28/1991DE3935664C1 Palladium-silver alloys for electrical contacts - deposited from ammoniacal bath contg. palladium tetramine complex, silver di:amine complex and organic sulphur cpd.
03/14/1991WO1991004358A1 Electrodeposited foil with controlled properties for printed circuit board applications and procedures and electrolyte bath solutions for preparing the same
03/14/1991CA2041665A1 Electrodeposited foil with controlled properties for printed circuit board applications and procedures and electrolyte bath solutions for preparing the same
03/13/1991EP0416342A1 Galvanic gold alloy bath
03/13/1991EP0198038B1 Bath and process for plating tin/lead alloys on composite substrates
03/13/1991CN1011990B Process for zinc plating of articles
03/06/1991EP0415632A1 Palladium alloy electroplating process
03/06/1991EP0415631A1 Electrodeposition of palladium films
03/02/1991WO1991005890A1 Process for deposing layers of or containing lead, electrolyte for carrying out the process and use of tensides in acidic lead electrolytes
03/01/1991CA2023870A1 Palladium alloy electroplating process
02/1991
02/28/1991DE3927440A1 Direct metallisation of non-conductive substrates - by using alkaline copper bath after acid activation of substrate
02/21/1991WO1991002110A1 Treatment to reduce solder plating whisker formation
02/19/1991US4994329 Article having nickel plated film comprising a varying content of phosphorus
02/19/1991US4994155 High speed tin, lead or tin/lead alloy electroplating
02/13/1991CN1049192A Multi-functional basicity galvanizing gloss agent and its making method
02/12/1991CA1280085C Surface treated steel sheet for welded can material and method for its production
02/06/1991CN1049036A Technology for plating chromium onto metalworking tool and metalworking tool with chromium layer
02/06/1991CN1049035A Technology for electroplating high anticrossion hard chromium
02/05/1991US4990226 Electroplating wires with nickel at high-speed and a nickel fluoborate bath therefor
02/05/1991US4990225 Electrodeposition using sulfate or halide salt of iron, cobalt, nickel, chromium, or copper
02/05/1991US4990224 Copper plating bath and process for difficult to plate metals
01/1991
01/31/1991DE4023444A1 Cyanide-free copper plating process - where a portion of the plating bath is electrolysed by an independently-controlled insol. anode to reduce bath impurities
01/30/1991CN1048895A Iron plating nitridation
01/23/1991CN1011318B Electroplate solution composed of bright sn-zn alloy
01/23/1991CN1011317B Electroplating process of nickel-iron alloy
01/23/1991CN1011316B Ni-plating solution and method
01/09/1991EP0407326A1 Method for electroplating nickel onto titanium alloys
01/09/1991EP0406579A2 Electroplated steel sheet having a plurality of coatings, excellent in workability, corrosion resistance and water-resistant paint adhesivity
01/09/1991EP0397663A4 A method, bath and cell for the electrodeposition of tin-bismuth alloys
01/09/1991CN1048418A Secondary passivation formulation of extreme low chromium for sodium salt zinc plating and process thereof
01/08/1991US4983263 Alloying with nickel and iron salts; containing chelating polyamines and brighteners from reaction of imidazole and epichlorohydrin; wide range of current density
01/08/1991CA1278765C Applying nickel coating to substrate and electrodeposition chromium alloy over the nickel coating
01/01/1991US4981564 Additives for electroplating compositions and methods for their use