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Inventor: Mueller; Gerhard
Address: Hanau am Main, DE
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4637838 |
Process for phosphating metals |
January 20, 1987 |
| The quality of coatings in a low zinc phosphating process is improved by including an activator of formate, nitrilotriacetate, trichloroacetate or ethylenediamenetetraacetate to produce more uniform coatings particularly desirable in advance of electrocoating. |
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