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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

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... 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. The... 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... 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)... 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. Thereafter, the plastic substrate... Macdermid Acumen Inc

Electroless silver plating bath and 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. The invention uses heavy metal based stabilizers in the electroless... Macdermid Acumen Inc

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