Patents Assigned to Atotech Deutschland GmbH & Co. KG
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Publication number: 20240124777Abstract: The present invention relates to a method for etching at least one surface of a plastic substrate, the method comprising steps (A) to (C), wherein step (B) comprises a contacting with a pre-treatment composition comprising one or more than one fluorine-free surface-active compound, and step (C) comprises a contacting with an etching composition comprising one or more than one manganese species, wherein after step (B) and prior to step (C) no rinsing is applied, and the etching composition is substantially free of, preferably does not comprise, fluorine-containing surface-active compounds.Type: ApplicationFiled: February 25, 2022Publication date: April 18, 2024Applicant: Atotech Deutschland GmbH & Co. KGInventors: Frank BAYER, Carl Christian FELS, Philip HARTMANN, Torsten VOSS
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Patent number: 11963308Abstract: The present invention relates to a method for increasing adhesion strength between a surface of copper or copper alloy and an organic layer, the method comprising in this order the steps: (i) providing a non-conductive substrate comprising on at least one side said surface, said surface having a total surface area of copper or copper alloy, (ii) contacting said substrate comprising said surface with an acidic aqueous non-etching protector solution comprising (ii-a) one or more than one amino azole, (ii-b) one or more than one organic acid and/or salts thereof, (ii-c) one or more than one peroxide in a total amount of 0.4 wt-% or less, based on the total weight of the protector solution, and (ii-d) inorganic acids in a total amount of 0 to 0.01 wt-%, based on the total weight of the protector solution, wherein during step (ii) the total surface area of said surface is not increased upon contacting with the protector solution.Type: GrantFiled: May 6, 2019Date of Patent: April 16, 2024Assignee: Atotech Deutschland Gmbh & Co. KGInventors: Norbert Lützow, Wonjin Cho, Toshio Honda, Dirk Tews, Markku Lager, Felix Tang, Mirko Kloppisch, Aaron Hahn, Gabriela Schmidt, Martin Thoms
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Patent number: 11946152Abstract: A method for depositing a zinc-nickel alloy on a substrate, including: (a) providing the substrate, (b) providing an aqueous zinc-nickel deposition bath as catholyte in a compartment, wherein the compartment includes an anode and anolyte, the anolyte being separated from catholyte by a membrane, and the catholyte includes nickel ions, complexing agent, zinc ions, (c) depositing zinc-nickel alloy onto the substrate, wherein after step (c) nickel ions have lower concentration than before step (c), (d) rinsing the zinc-nickel coated substrate in water, obtaining a rinsed zinc-nickel coated substrate and rinse water including a portion of the complexing agent and nickel ions, wherein (i) a portion of rinse water and/or a portion of catholyte is treated in a first treatment compartment to separate water from the complexing agent and the nickel ions, (ii) returning the separated complexing agent to the catholyte, and (iii) adding nickel ion to the catholyte.Type: GrantFiled: December 18, 2020Date of Patent: April 2, 2024Assignee: Atotech Deutschland GmbH & Co. KGInventors: Steven Leonhard, Thomas Freese
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Publication number: 20240068105Abstract: The present invention relates to a method for etching at least one surface of a plastic substrate, the method comprising the steps (A) to (C), wherein step (C) is an etching step including a contacting with an etching composition. The etching composition comprises permanganate ions and phosphoric acid, each in specifically defined concentration ranges.Type: ApplicationFiled: December 17, 2021Publication date: February 29, 2024Applicant: Atotech Deutschland GmbH & Co. KGInventors: Rafael-Eduard SZAMOCKI, Franziska FINN, Carl Christian FELS
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Publication number: 20240052266Abstract: The invention relates to an aqueous alkaline cleaner solution for glass filler removal comprising: (a) at least one non-ionic surfactant selected from the group consisting of saturated branched or unbranched C5 to C12 carboxylic acid or salt thereof, wherein the concentration of the (a) at least one surfactant is from 0.9 to 1.7 g/L; (b) at least one surfactant selected from the group consisting of saturated branched or unbranched C5 to C12 alkyl having a negatively charged group selected from sulfate, sulfite, sulfonate, phosphate, phosphite and carbonate, and saturated C3-C8 alkyl amino carboxylate; (c) at least one compound having at least one hydroxyl group and at least one C—O—C group selected from the group consisting of alkoxylated C5-C12 alkanol and glycosidic C5-C12 alkanol; and (d) alkali metal hydroxide, wherein the concentration of the (d) alkali metal hydroxide is from 65 to 200 g/L; and a method for use.Type: ApplicationFiled: December 10, 2021Publication date: February 15, 2024Applicant: Atotech Deutschland GmbH & Co. KGInventors: Wolfgang FRIZ, Laurence John GREGORIADES, Stefan KEMPA
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Publication number: 20240035165Abstract: The present invention refers to a method for depositing a chromium-comprising passivation layer on a zinc-comprising coating, wherein the zinc-comprising coating additionally comprises Fe, Sn, Mn, or mixtures thereof. The method utilizes a passivation composition comprising 0.001 mg/L to 200 mg/L, based on the total volume of the passivation composition, of at least one corrosion-inhibiting agent selected from the group consisting of unsubstituted azole compounds, substituted azole compounds, unsubstituted aliphatic organic acids with at least one mercapto-group, substituted aliphatic organic acids with at least one mercapto-group, salts, and mixtures thereof.Type: ApplicationFiled: February 4, 2022Publication date: February 1, 2024Applicant: Atotech Deutschland GmbH & Co. KGInventors: Sebastian HAHN, Katrin KRÜGER
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Publication number: 20240035183Abstract: The present invention refers to an electroplating composition for plating a chromium coating on a substrate, the composition comprising: (i) a source of hexavalent chromium; (ii) one or more than one betaine comprising a quaternary nitrogen and/or salts thereof; and (iii) one or more than one poly-organosiloxane.Type: ApplicationFiled: December 17, 2021Publication date: February 1, 2024Applicant: Atotech Deutschland GmbH & Co. KGInventors: Simon PAPE, Oleksandra YEVTUSHENKO, Anke WALTER, Thorsten ROSS
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Publication number: 20240026557Abstract: The present invention relates to a very specific electroplating bath for depositing a black chromium layer, and a respective method for electroplating such a layer. The electroplating bath comprises two specific groups of compounds defined as (D) and (E), present in a particularly defined molar ratio ranging from 0.9 to 2.65, based on (E):(D). The black chromium layer is excellently suited for decorative purposes.Type: ApplicationFiled: December 10, 2021Publication date: January 25, 2024Applicant: Atotech Deutschland GmbH & Co. KGInventors: Berkem ÖZKAYA, Philipp WACHTER, Michael JONAT
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Publication number: 20240011178Abstract: The present invention relates to a black plated substrate comprising a base-substrate and deposited thereon a layer stack, wherein the layer stack comprises a black chromium plating layer comprising on its surface a conversion layer having a depth of 30 nm or more, characterized in that the conversion layer does not comprise metallic chromium or comprises metallic chromium only up to 2 at.-%, based on the element chromium and the total number of chromium atoms in the conversion layer.Type: ApplicationFiled: December 10, 2021Publication date: January 11, 2024Applicant: Atotech Deutschland GmbH & Co. KGInventors: Berkem ÖZKAYA, Philipp WACHTER, Michael JONAT
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Publication number: 20240003013Abstract: The present invention relates to a method for etching at least one surface of a plastic substrate, the method comprising steps (A) to (C), wherein step (B) comprises a contacting with a pre-treatment composition comprising one or more than one fluorine-free surface active compound, and step (C) comprises a contacting with an etching composition comprising chromic acid, wherein after step (B) and prior to step (C) no rinsing is applied, and the etching composition is substantially free of fluorine-containing surface active compounds.Type: ApplicationFiled: November 23, 2021Publication date: January 4, 2024Applicant: Atotech Deutschland GmbH & Co. KGInventors: Frank BAYER, Carl Christian FELS, Philip HARTMANN
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Patent number: 11851780Abstract: The present invention relates to an aqueous passivation solution having a pH in the range from 5.4 to 7.2, the solution including trivalent chromium ions, and formate anions and/or oxalate anions as complexing agents for said trivalent chromium ions, in which the trivalent chromium ions with respect to all formate anions together with all oxalate anions form a molar ratio in the range from 1:15 to 1:400.Type: GrantFiled: August 15, 2022Date of Patent: December 26, 2023Assignee: Atotech Deutschland Gmbh & Co. KGInventors: Robert Rüther, Olaf Kurtz, Joko Setyadi-Lie, Tse-Cheen Foong
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Patent number: 11761090Abstract: The present invention relates to a method for monitoring the total amount of sulphur containing compounds in a metal or metal alloy plating bath, wherein the sulphur containing compounds contain at least one sulphur atom having an oxidation state below +6, the method comprising the steps (a), (b), optionally (c), and (d). Said method is a means of providing control over a metal plating process. Thus, the present invention relates furthermore to a controlled process for plating a metal on a substrate utilizing the method of the present invention for monitoring the total amount of said sulphur containing compounds.Type: GrantFiled: December 2, 2016Date of Patent: September 19, 2023Assignee: Atotech Deutschland GmbH & Co. KGInventors: Andreas Kirbs, Christian Wendeln, Edith Steinhäuser, Sebastian Zarwell, Kevin-Sigurt Gottschalk, Mayumi Nishikido
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Patent number: 11447884Abstract: A method for electrolytically passivating a surface of silver, silver alloy, gold, or gold alloy, the method comprising the steps of (i) providing a substrate comprising the surface, (ii) providing an aqueous passivation solution comprising trivalent chromium ions, and one or more than one species of carboxylic acid residue anions, (iii) contacting the substrate with the passivation solution and passing an electrical current between the substrate as a cathode and an anode such that a passivation layer is electrolytically deposited onto the surface, wherein the trivalent chromium ions with respect to all species of carboxylic acid residue anions form a molar ratio in the range from 1:10 to 1:400.Type: GrantFiled: October 18, 2019Date of Patent: September 20, 2022Assignee: Atotech Deutschland GmbH & Co. KGInventors: Robert Rüther, Olaf Kurtz, Joko Setyadi-Lie, Tse-Cheen Foong