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process for manufacture of a composition for corrosion resistant conversion coating 发明授权

2023-02-20 3770 704K 0

专利信息

申请日期 2025-07-02 申请号 EP05257417
公开(公告)号 EP1666634B1 公开(公告)日 2010-06-30
公开国别 EP 申请人省市代码 全国
申请人 Deft Inc
简介 A conversion coating composition for coating a metal substrate is provided which imparts corrosion resistance to the underlying metal substrate. The conversion coating composition comprises an aqueous carrier and first and second rare earth element salts. A complete coating system employing the conversion coating composition is also provided as well as methods for conversion coating a metal substrate with the rare earth element conversion coating compositions of the present invention.


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