A surface covering comprising at least one layer containing wear-resistant particles, such as aluminum oxide, is disclosed. Preferably, the wear-resistant particles are present in the outermost layer of the surface covering which is exposed to the environment. A method to improve wear and/or stain resistance...http://www.google.es/patents/US6218001?utm_source=gb-gplus-sharePatente US6218001 - Surface coverings containing dispersed wear-resistant particles and methods of making the same
Surface coverings containing dispersed wear-resistant particles and methods ...
