Methods for producing white appearing metal oxide films by positioning reflective particles prior to or during anodizing processes
US9181629B2 · kind B2 · utility
6Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2014 |
| Grant date | Nov 10, 2015 |
| Priority date | — |
| Expiry date | Aug 18, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12111
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The embodiments described herein relate to anodic films and methods for forming anodic films. The methods described can be used to form anodic films that have a white appearance. Methods involve positioning reflective particles on or within a substrate prior to or during an anodizing process. The reflective particles are positioned within the metal oxide of the resultant anodic film but substantially outside the pores of the anodic film. The reflective particles scatter incident light giving the resultant anodic film a white appearance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.