Zirconium pretreatment compositions containing a rare earth metal, associated methods for treating metal substrates, and related coated metal substrates
US10017861B2 · kind B2 · utility
0Cited by
21References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2011 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | Aug 3, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12493
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed are methods for treating metal substrates that include contacting the substrate with a pretreatment composition comprising a rare earth metal and a zirconyl compound. The present invention also relates to coated substrates produced thereby and further to substrates additionally coated with an electrophoretically applied coating composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.