Tile grout
US7183338B1 · kind B1 · utility
7Cited by
22References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 2, 2004 |
| Grant date | Feb 27, 2007 |
| Priority date | — |
| Expiry date | Dec 4, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A durable, stain resistant tile grout comprised of naturally rounded quartz particles and water-borne polyurethane. The naturally rounded quartz particles are permanently colored and encapsulated within the water-borne polyurethane, which remains transparent and shows the permanent color of the quartz particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.