Invention Grant
- Patent Title: Permanganate based conversion coating compositions
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Application No.: US16888994Application Date: 2020-06-01
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Publication No.: US11408077B2Publication Date: 2022-08-09
- Inventor: Eric L. Morris , Jane B. Moon
- Applicant: PRC-DeSoto International, Inc.
- Applicant Address: US CA Sylmar
- Assignee: PRC-DeSoto International, Inc.
- Current Assignee: PRC-DeSoto International, Inc.
- Current Assignee Address: US CA Sylmar
- Agent Alicia M. Passerin; Ashley N. Crane
- Main IPC: C23C22/66
- IPC: C23C22/66 ; C23C22/68 ; B05D5/00 ; B05D7/14 ; B05D7/00 ; C23G1/22 ; C23G1/24 ; C23C22/56 ; C23C22/83

Abstract:
A composition for application to a substrate comprising a carrier, a permanganate ion source, and a corrosion inhibitor comprising a rare earth ion, an alkali metal ion, an alkaline earth metal ion, and/or a transition metal ion is disclosed. A substrate or article including the composition for application to a substrate, and a method of treating a substrate comprising applying the composition to a substrate to form a permanganate treated surface of the substrate, and applying a lithium containing composition on the permanganate treated surface are also disclosed.
Information query
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