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Macdermid Acumen Inc patents

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

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

Etching of plastic using acidic solutions containing trivalent manganese

A method of preparing a solution capable of etching a platable plastic. The method comprises the steps of: (a) providing an electrolyte comprising a solution of manganese(ii) in a solution of 9 to 15 molar sulfuric acid or phosphoric acid to an electrolytic cell; (b) applying a current to the electrolytic cell, wherein the electrolytic cell comprises an anode and a cathode; and (c) oxidizing the electrolyte to form manganese(iii) ions, wherein the manganese(iii) ions form a metastable sulfate complex. ... Macdermid Acumen Inc

Sealing anodized aluminum using a low-temperature nickel-free process

The inventive two-step process operates at low temperature, without any toxic heavy metals, to provide excellent sealing on anodized aluminum substrates, especially those aluminum substrates comprising silicon. The first step of the process seals the anodized surface and the second step passivates the anodized surface. ... Macdermid Acumen Inc

Chromium alloy coating with enhanced resistance to corrosion in calcium chloride environments

The invention consists of a chromium electroplating solution comprising a chromium electroplating solution comprising: (1) a water soluble trivalent chromium salt; (2) at least one complexant for trivalent chromium ions; (3) a source of hydrogen ions sufficient to create a ph of from 2.8-4.2; (4) a ph buffering compound; and (5) a sulfur-containing organic compound. The chromium electroplating solution is usable in a method for producing an adherent metallic coating on a decorative article, such coating having enhanced resistance to corrosion in environments containing calcium chloride.. ... Macdermid Acumen Inc

Dark colored chromium based electrodeposits

An aqueous trivalent chromium electrolyte comprising trivalent chromium ions and amino acids that allow for producing a dark colored hue in the trivalent chromium coating which is plated on a substrate. The amino acids described herein comprise a cationic side chain and are at least essentially free of sulfur. ... Macdermid Acumen Inc

Treatment of etch baths

A method of maintaining a concentration of sulfuric acid in an electrolyte comprising manganese(iii) ions in a solution of sulfuric acid. The method includes the steps of a) removing a portion of the electrolyte from the electrolytic cell to an annex tank; b) treating the removed portion of the electrolyte in the annex tank to remove moisture from the portion of the electrolyte; and c) returning the treated portion of the electrolyte to the electrolytic cell. ... Macdermid Acumen Inc

Electrolytic generation of manganese (iii) ions in strong sulfuric acid

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 at least one acid; (2) a cathode immersed in the electrolyte solution; and (3) an anode immersed in the electrolyte solution and spaced apart from the cathode. ... Macdermid Acumen Inc

Electroless silver plating bath and method of using the same

An electroless silver plating bath and method of use is presented within. The electroless silver plating bath is designed to plate only on the desired metal substrate while preventing plating on areas other than those which are to be plated. ... Macdermid Acumen Inc

Solutions of organic salts as pretreatments for plastic prior to etching

A method of preparing a plastic substrate to accept metal plating thereon is described. The method includes the steps of pretreating the plastic substrate by contacting the plastic substrate with an aqueous electrolyte comprising an organic salt to raise the surface energy of the plastic substrate. ... Macdermid Acumen Inc

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Macdermid Acumen Inc in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Macdermid Acumen Inc with additional patents listed. Browse our Agent directory for other possible listings. Page by