Passivation process and copmposition for zinc-aluminum alloys
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 14, 1989
Issued Date -
N/A
app pub date -
Jun 10, 1987
filing date -
Sep 6, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An aqueous acidic treating solution and process for forming a chromium-containing passivate coating on the surface of zinc or zinc-aluminum alloys to enhance bare corrosion resistance and inhibit discoloration thereof upon exposure to ambient environments. The treating solution contains as its essential constituents, chromium ions, nitrate ions, phosphate ions.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully