Surface covering
US9469754B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 4, 2012 |
| Grant date | Oct 18, 2016 |
| Priority date | — |
| Expiry date | Jul 4, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31551
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a PVC-free multiple layer surface covering comprising at least one layer of a thermoplastic composition, the thermoplastic composition comprising a polymer-based matrix representing 100 parts in weight and comprising one or more olefin-based polymer(s) and one or more anhydride copolymer(s), said one or more anhydride copolymer(s) representing between 5 and 40 parts in weight of the polymer-based matrix, one or more filler(s) representing in weight at least 100 parts per 100 parts of said polymer-based matrix, one or more basic or amphoteric metal oxide(s) representing between 5 and 40 parts in weight per 100 parts of said polymer-based matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.