Patent 9522489 was granted and assigned to Tarkett on December, 2016 by the United States Patent and Trademark Office.
The present invention relates to a process to manufacture a substrate-free decorative surface covering, having a relief-like pattern, comprising a non-uniform arrangement of unfused and discrete colored polymer-based particles (9, 10), the particles are obtained by the shredding of a polymer based sheet, and the particles are non-uniformly embedded in, and principally surrounded by, a substantially transparent or translucent polymeric matrix 12.