USPTO Patent Granted for Electrodeposition Coating Material

ChangeBridge: Patent Grants - Batteries (H01M)

Published March 24th, 2026

Detected March 26th, 2026

Summary

The USPTO has granted a patent (US12584235B2) for a method of surface treatment using electrodeposition. The method involves applying a surface layer with a bath containing an electrodeposition coating material and a conductive material, specifically a carbon-based compound forming a protective barrier.

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What changed

The United States Patent and Trademark Office (USPTO) has granted patent US12584235B2 for a novel method of surface treatment. This patent covers a process for applying a surface layer to an object via electrodeposition, utilizing a liquid bath that includes both an electrodeposition coating material and a conductive material. Notably, the conductive material is specified as a carbon-based compound designed to form a protective barrier over the object's surface. The patent also includes claims for an object treated with this method.

This patent grant signifies a new intellectual property right for the assignee, PROVEXA TECHNOLOGY AB. While this is a patent grant and not a regulatory rule imposing obligations on industry, it may influence future product development and manufacturing processes in sectors utilizing electrodeposition for surface treatments, particularly those related to battery technology as indicated by the CPC classifications. Compliance officers in manufacturing or R&D should be aware of this patented technology if their operations involve similar surface treatment methods.

Source document (simplified)

← USPTO Patent Grants

Method for surface treatment

Grant US12584235B2 Kind: B2 Mar 24, 2026

Assignee

PROVEXA TECHNOLOGY AB

Inventors

Anders Skalsky

Abstract

Disclosed is a method for surface treatment of an object, the method including the following steps: applying a surface layer on the object by electrodeposition of the object in a liquid bath; and forming the surface layer as a result of the bath containing at least an electrodeposition coating material and a conductive material. Furthermore, the method includes: providing the conductive material in the form of a carbon-based compound which is configured as a protective barrier covering generally the entire surface of the object. Also disclosed is an object including a surface layer which is applied in accordance with the above-mentioned method.

CPC Classifications

C25D 15/02 C25D 15/00 C25D 13/01 C09D 5/084 C09D 5/4407 C09D 5/448 C09D 127/18 C09D 7/61 C23C 2/06 C23C 2/26 C23C 28/343 C23C 30/00 C23C 2/02 C23C 2/024 C23C 2/0224 C23C 2/40 C23C 2/261 C23C 2/28 C23C 2/12 C23C 30/005 C23C 2/04 C23C 2/0222 C23F 17/00 C25F 1/00 H01M 10/0525 H01M 4/1391 H01M 10/052 H01M 4/13 H01M 4/622 H01M 4/625 H01M 4/0457 H01M 4/139 H01M 4/0404 H01M 4/131 H01M 4/1397 H01M 4/136 C08K 2003/2203 C08K 3/042 C08K 3/22 C08L 1/006 Y01E 60/10 C22C 38/00 C22C 38/14 C22C 38/38 C22C 38/02 C22C 38/06 C22C 38/12 C22C 38/002 C22C 38/04 C22C 38/28 C22C 38/32 C22C 38/34 C22C 38/26 C22C 38/22 C21D 1/26 C21D 1/74 C21D 1/76 C21D 6/008 C21D 9/46 C21D 6/005 B32B 15/04 B32B 15/043 B32B 15/012 B32B 15/013 B32B 15/18 Y10T 428/12993 Y10T 428/12979 Y10T 428/12799 Y10T 428/12972 Y10T 428/12792 Y10T 428/12757 Y10T 428/1295