Surface coverings containing aluminum oxide
US6291078A · kind A · utility
65Cited by
77References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 1997 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Oct 22, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/8305
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A surface covering comprising at least one layer containing aluminum oxide is disclosed. Preferably, the aluminum oxide is present in the outermost layer of the surface covering which is exposed to the environment. A method to improve wear and/or stain resistance to a surface covering is also disclosed and includes adding an effective amount of aluminum oxide to a top coat layer or outermost layer of a surface covering. Methods of making the surface covering are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.