Invention Grant
- Patent Title: Electrodeposition coatings for use over aluminum substrates
- Patent Title (中): 用于铝基板的电沉积涂层
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Application No.: US11839127Application Date: 2007-08-15
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Publication No.: US08323470B2Publication Date: 2012-12-04
- Inventor: Joseph T. Valko , Robin M. Peffer , Craig A. Wilson , Alan J. Kaylo
- Applicant: Joseph T. Valko , Robin M. Peffer , Craig A. Wilson , Alan J. Kaylo
- Applicant Address: US OH Cleveland
- Assignee: PPG Industries Ohio, Inc.
- Current Assignee: PPG Industries Ohio, Inc.
- Current Assignee Address: US OH Cleveland
- Agent William J. Uhl; Donald R. Palladino
- Main IPC: C25D13/06
- IPC: C25D13/06 ; C08L63/00
Abstract:
A process for applying a coating on aluminum substrates by anionic electrodeposition of a phosphated epoxy resin made by phosphating a polyepoxide with both phosphoric acid and an organophosphonic acid and/or an organophosphinic acid. The coating has a reduced tendency to form pinholes.
Public/Granted literature
- US20090045071A1 ELECTRODEPOSITION COATINGS FOR USE OVER ALUMINUM SUBSTRATES Public/Granted day:2009-02-19
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