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Enthone Inc patents


Recent patent applications related to Enthone Inc. Enthone Inc is listed as an Agent/Assignee. Note: Enthone Inc may have other listings under different names/spellings. We're not affiliated with Enthone Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "E" | Enthone Inc-related inventors


Flexible color adjustment for dark cr(iii) platings

The invention relates to a method for the adjustment of the lightness l* of electrolytically deposited chromium-finishes on workpieces obtained by an electroplating bath comprising at least chromium(iii)-ions and sulfur containing organic compounds, wherein the concentration of the sulfur containing organic compounds in the bath are adjusted by passing at least part of the bath composition through an activated carbon filter. Furthermore, the invention is directed to dark chrome coatings comprising a defined concentration gradient of deposited sulfur containing organic compounds.. ... Enthone Inc

Multicorrosion protection system for decorative parts with chrome finish

The invention relates to a corrosion protection layer system for metal surfaces, said layer system comprising as the two top most layers: a) a discontinuous nickel-phosphorus layer and b) a chromium layer plated from a trivalent chromium electrolyte solution, as well as to a method of producing such a layer system. The inventive layer system is capable to combine the good corrosion resistance of the nickel-phosphorus layer against sodium chloride with the protective power of the chromium layer from the trivalent plating process against magnesium and calcium salts, especially without the need for any post-treatment.. ... Enthone Inc

Inhibitor composition for racks when using chrome free etches in a plating on plastics process

The invention relates to an aqueous inhibition composition for the inhibition of electrochemical metal plating on polymer surfaces, said inhibition composition comprising an inhibition agent selected from the group of compounds having at least one sulfur and at least one nitrogen atom as well as to a method for the inhibition of an insulated surface of a rack area. The inventive inhibition composition is capable to provide a solution for prohibiting unintended metallization on insulated areas of the racks when non-chromic etching is utilized for plating on plastics processes.. ... Enthone Inc

Electrolytic generation of manganese (iii) ions in strong sulfuric acid using an improved anode

An electrolytic cell and a method of electrochemical oxidation of manganese(ii) ions to manganese(iii) ions in the electrolytic cell are described. The electrolytic cell comprises (1) an electrolyte solution of manganese(ii) ions in a solution of 9 to 15 molar sulfuric acid; (2) a cathode immersed in the electrolyte solution; and (3) an anode immersed in the electrolyte solution and spaced apart from the cathode. ... Enthone Inc

Compositions including a high molecular weight acid suitable for conductive polymer formation on dielectric substrate

The invention relates to a composition and a process for the deposition of conductive polymers on dielectric substrates. In particular, the invention relates to a composition for the formation of electrically conductive polymers on the surface of a dielectric substrate, the composition comprising at least one polymerizable monomer which is capable to form a conductive polymer, an emulsifier and an acid, characterized in that the composition comprises at least one metal-ion selected from the group consisting of lithium-ions, sodium-ions, aluminum-ions, beryllium-ions, bismuth-ions, boron-ions, indium-ions and alkyl imidazolium-ions. ... Enthone Inc

Use of water soluble lanthanide compounds as stabilizer in electrolytes for electroless metal deposition

The present invention relates to the use of water soluble lanthanide compounds as stabilizer in electrolytes for electroless metal deposition, an electrolyte as well as a method for the electroless deposition of metals, particularly layers of nickel, copper, cobalt, boron, silver, palladium or gold, as well as layers of alloys comprising at least one of the aforementioned metals as alloying metal.. . ... Enthone Inc

Leveler compositions for use in copper deposition in manufacture of microelectronics

An aqueous electrolytic composition and a process for electrodeposition of copper on a dielectric or semiconductor base structure using the aqueous electrolytic composition. The process includes (i) contacting a metalizing substrate comprising a seminal conductive layer on the base structure with an aqueous electrolytic deposition composition; and (ii) supplying electrical current to the electrolytic deposition composition to deposit copper on the substrate. ... Enthone Inc

Copper electrodeposition in microelectronics

A method and composition for electroplating cu onto a substrate in the manufacture of a microelectronic device involving and electrolytic solution containing a source of cu ions and a a quaternized pyridinium salt compound for leveling.. . ... Enthone Inc








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