Invention Grant
- Patent Title: Inorganic non-chrome aqueous treatment composition and process for coating metal surfaces
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Application No.: US16014045Application Date: 2018-06-21
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Publication No.: US11293104B2Publication Date: 2022-04-05
- Inventor: Richard J. Church
- Applicant: Bulk Chemicals, Inc.
- Applicant Address: US PA Reading
- Assignee: Bulk Chemicals, Inc.
- Current Assignee: Bulk Chemicals, Inc.
- Current Assignee Address: US PA Reading
- Agency: Stradley Ronon Stevens & Young, LLP
- Main IPC: C23C22/44
- IPC: C23C22/44 ; C23C22/74 ; C23C22/00 ; C23C22/76
Abstract:
A chromium-free aqueous treatment solution for coating metal surfaces which meets corrosion resistance, electrical contact resistance, and paint adhesion requirements set forth in MIL-DTL-81706B, Class 3. The treatment solution contains a compound of a Group IV-B element, and a vanadium ion. The solution may be inorganic and molybdate-free.
Public/Granted literature
- US20180371622A1 INORGANIC NON-CHROME AQUEOUS TREATMENT COMPOSITION AND PROCESS FOR COATING METAL SURFACES Public/Granted day:2018-12-27
Information query
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