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WO/2001/033608A2 |
An improved method for depositing ferroelectric particles on a surface of a substrate to form films or stand-alone bodies. The improvement is based on electrophoretic deposition (EPD) of ferroelectric films by using a tri-functional phos...
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WO2000072983B1 |
A process for drying a liquid electrodeposited coating composition applied to a metal substrate is provided. Infrared radiation and warm air are applied simultaneously to the electrodeposited coating composition for a period of at least ...
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WO/2001/014617A1 |
The present invention relates to a rapid and reproducible electrochemical method leading to the production of radioactive angioplastic device such as stents, based on rapid and effective deposition or electrodeposition of charged radioac...
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WO/2001/012306A1 |
The invention relates to an aqueous cleaning agent and to its use in a method for cleaning ultrafiltration membranes in ultrafiltration installations of electrophoretic dip coating installations. Said cleaning agent contains electrophore...
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WO2000068467B1 |
The invention relates to a method for carrying out electrophoretic immersion-enameling while decreasing the loss of edges during baking by; 1) electrically precipitating a protective layer, said layer consisting of an electrically precip...
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WO/2001/007688A1 |
The invention relates to a metallized component which has a substrate consisting of a light metal or a light-metal alloy. Said substrate is covered by a layer of electro-dipcoat with a coarseness R¿z? < 1 $g(m)m and the latter is covere...
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WO/2001/002498A1 |
The invention relates to the use of a water-soluble polyvinyl alcohol (co)polymer or a mixture of polyvinyl alcohol (co)polymers as an additive in aqueous electrodeposition baths, to electrodeposition baths that contain such a polyvinyl ...
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WO/2000/069790A2 |
The invention relates to the field of technical ceramics and specifically relates to a method of synthesis for aluminum oxides of different crystalline structure and to the products obtained by said method. The aim of the invention is to...
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WO/2000/068466A1 |
An improved process for applying a lead-free coating by electrodeposition to an untreated ferrous metal substrate is provided. The substrate need not be phosphated prior to treatment. The process includes the following steps: a) contacti...
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WO/2000/064991A1 |
Disclosed are improved electrodeposition bath compositions comprising a resinous phase dispersed in an aqueous medium, the resinous phase being comprised of an active hydrogen containing ionic electrodepositable resin and a curing agent,...
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WO/2000/063303A1 |
A method of treating a substrate by applying a coating of a silane solution comprising at least one bis-silyl aminosilane which has been at least partially hydrolyzed and at least one bis-silyl polysulfur silane which has been at least p...
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WO/2000/058187A1 |
A machine for treating panels with chemicals for forming an electrophoretic resist comprises receptacles (10) for the treatment media, a vertical-carriage (11) for each receptacle (10), transportation brackets (29) with horizontalcarriag...
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WO/2000/053827A2 |
Electrodeposition (ED) systems and methods are disclosed where acid control is possible without adding acid from outside when acid tends to be depleted. A mixture of high neutralizer removal type membrane electrodes and low neutralizer r...
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WO/2000/053828A1 |
A micelle dispersion having an aqueous medium and, dispersed therein, hydrophobic particles, electrically conductive particles and a ferrocene derivatives surfactant, characterized in that the equilibrium concentration of the oxidized fo...
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WO/2000/050670A2 |
In the case of an apparatus for electro-dipcoating small electrically conductive parts, having a tank (6) with a predetermined filling height for receiving a dipping bath of electrically conductive, liquid coating agent, a delivery tube ...
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WO/2000/049094A1 |
Provided are cationic electrodepositable compositions comprised of an acidified aqueous dispersion of (a) an ungelled cationic resin, (b) a curing agent having at least two functional groups which are reactive with (a), and (c) an exfoli...
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WO/2000/043572A1 |
The invention relates to non-porous, non-permeable protective ceramic layers of a thickness of less than 50 $g(m)m, preferably of a thickness of less than 5 $g(m)m and still more preferably of a thickness of less than 1 $g(m)m, which hav...
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WO/2000/040398A1 |
A single or multi-component particulate tape (64) and a method and apparatus (40) for making the single or multi-component particulate tape. More particularly, the present invention relates to a single or multi-component particulate tape...
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WO/2000/039177A2 |
A method of treating a metal substrate by applying a coating of a silane solution comprising at least one bis-silyl aminosilane which has been at least partially hydrolyzed and at least one bis-silyl polysulfur silane which has been at l...
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WO/2000/038844A1 |
The adhesion between a galvanized surface and a polymeric material is improved by coating the galvanized surface with an adhesion promoter. The adhesion promoter is a compound which includes at least two trialkoxysilyl groups which are b...
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WO/2000/037570A1 |
The invention provides a process for preparing an allophanate-containing compound in the presence of a metal catalyst and a tertiary amine. In a preferred process, the tertiary amine compound also has a hydroxyl group. The hydroxyl group...
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WO/2000/037572A1 |
The invention provides a polymer (a) having a polymer backbone having appended thereto at least one carbamate functional group, the polymer represented by randomly repeating units according to the formula: (I) R¿1? represents H or CH¿3...
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WO/2000/037560A1 |
The invention provides a polymer (a) having a polymer backbone having appended thereto at least one carbamate functional group, the polymer represented by randomly repeating units according to formula (I), wherein R¿1? represents H or C...
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WO/2000/034399A1 |
An improved aqueous cathodic electrocoating composition having a binder of an epoxy-amine adduct which is an epoxy resin that has been reacted with an amine, a blocked polyisocyanate crosslinking agent and an organic or inorganic acid as...
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WO/2000/034397A2 |
The invention relates to aqueous, anodically electrodepositable coatings which contain A) an aqueous dispersion of anionically modified polyurethane (meth)acrylates (a1) with terminal, ethylenically unsaturated (meth)acrylic double bonds...
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WO/2000/034398A1 |
An improved aqueous cathodic electrocoating composition having a binder of an epoxy-amine adduct and a blocked polyisocyanate cross-linking agent; wherein the improvement is the use of a catalytic amount of bismuth trioxide dispersed in ...
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WO/2000/032844A1 |
A coating composition which contains a polymeric complex between polyaniline and a polymeric ion. In addition to the said polymeric complex, the composition contains a water-dispersable binder. The composition is useful as a water-borne ...
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WO/2000/026445A2 |
One electrode is provided in association with the object to be coated, the other electrode. A pre-stretched ion-exchange membrate in a thin tubular form is sandwiched in-between two nonconductive water permeable screen tubular housings. ...
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WO/2000/024499A1 |
The cross-flow filtration apparatus (10) comprises a filtration (50), a process zone (12) and a buffer zone (14). The retentate outlet means (20) of filtration means (50) is in fluid communication with the buffer zone (14) and the permea...
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WO/2000/008231A1 |
The invention relates to a method for the pretreatment of surfaces made of steel, galvanized steel and/or aluminium and/or alloys thereof. According to said method, in a first step the surfaces are phosphatized with a zinc phosphatizing ...
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WO/2000/006810A1 |
A method for multilayered coating, whereby hurdles for the item that is to be treated are guided for galavanic dip coating (2) through a tank in a separate circuit. Downstream from the tank, the hurdles are changed over (12) and the item...
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WO/2000/006808A2 |
A steel article has at least a part of a surface which is plated with a pre-treatment coating layer comprising at least 90 % zinc, plus cobalt, at least one trivalent or higher-valent metal, and at least one colloidal inorganic material....
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WO/2000/003070A2 |
Disclosed are improved electrodeposition bath compositions comprising a resinous phase dispersed in an aqueous medium, the resinous phase being comprised of an active hydrogen containing ionic electrodepositable resin and a curing agent,...
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WO/2000/003069A1 |
A method of sealing a surface of a metal such as magnesium or an alloy thereof, whether first anodised or not, by deactivating the outer surface using an agent not substantially destructive to any anodised surface that might be present a...
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WO/1999/061532A1 |
A process for applying two electrodeposited coatings, one on top of the other, to an electrically conductive substrate is provided. An electrically conductive first coating is applied to provide for corrosion resistance and a second poly...
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WO/1999/050480A1 |
A method for electrophoretic deposition of ceramic particles as a green body shaped as a dental appliance, the method comprising the steps of (a) forming a suspension of the ceramic particles in a first polar solvent, the ceramic particl...
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WO/1999/036597A2 |
The invention relates to an anodic electrophoretic coating method. According to said method, a coating agent used in an anodic electrophoretic bath is compensated with an under-neutralised anodic refill material, said refill material con...
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WO/1999/035308A2 |
A method for forming a coating on aluminum by contacting the aluminum with water, at least one multifunctional polymeric organic acid, a monomer of an intrinsically conductive polymer and polymerizing the ICP monomer and forming aluminum...
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WO/1999/022046A1 |
A method of brazing which includes deposition of brazing material by electrophoresis. Deposition is performed with a low viscosity, low surface tension bath comprising an alcohol, a nitroalkane, and a complex ionic solute. Brazing powder...
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WO/1999/020697A1 |
The invention concerns a method for forming a coat on conductive particles by grafting a polymer and/or a copolymer on said particles from a bath containing at least a monomer from which said polymer and/or copolymer is formed. The metho...
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WO/1999/016937A1 |
A method for maintaining a plurality of articles in spaced relationship with each other is described, comprising inserting an elongate member having an uneven external surface into an aperture in each article, and supporting the elongate...
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WO/1999/015715A2 |
A product (20, 21, 41, 60) comprised of a three-dimensional network of material is coated with a particulate support. The coating may be applied by an electrophoretic coating procedure to apply a particulate coating on the surface or int...
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WO/1999/015716A1 |
A method of controlling the final coating thickness of a diffused alumnide coating on a metal substrate. The method includes: (a) depositing an alumina-doped platinum-silicon powder onto a metal substrate, (b) heating the coated substrat...
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WO/1999/010565A2 |
A process for forming polymer films through electrochemical techniques utilizing electrolytes with include conductive polymer. The resulting polymer films are electrically conductive and corrosion and wear resistant. Polyamino-benzene (p...
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WO/1999/006158A1 |
The invention relates to a method for producing a three-dimensional substrate with a protective and decorative layered composite. According to said method, a priming layer which consists of a coating agent (I) and which is electrically c...
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WO/1999/003933A1 |
Electrodepositable coating composition bath is prepared and maintained to reduce the growth of bacteria in and around the bath. The composition has dispersed in an aqueous medium a resinous phase, said composition having a pH of at least...
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WO/1999/004064A2 |
The invention relates to a method for dip coating electrically conducting elements, like, for example, screws, nuts, shims or other small parts. In this method, the elements to be coated are positioned in, on or against a support element...
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WO/1999/002759A1 |
A method of polymer sealing an anodised or unanodised surface (whether of pure metal or an alloy) having a content of at least one of the group consisting of magnesium, beryllium, titanium, zirconium, hafnium, zinc and aluminium which in...
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WO/1998/056964A1 |
The invention relates to a method for treating an electrolyte used for electrophoretic painting. The electrolyte concentration of ions attacking the electrodes (3) is diluted by removing part of the electrolyte and by replacing the remov...
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WO/1998/048084A1 |
A method of electrophoretic deposition of a ceramic green body. A ceramic powder is optionally washed with a polar solvent such as deionized water, dried, and suspended in a polar organic solvent in a proportion of at least 20 % by weigh...
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