Waterproofing membrane
US7550205B2 · kind B2 · utility
4Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2005 |
| Grant date | Jun 23, 2009 |
| Priority date | — |
| Expiry date | Jan 5, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2221
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A waterproofing membrane comprising a structure incorporating a fiber layer and wherein to one side of said structure a bituminous mass is applied and another side of said structure is covered on its surface with a substance comprising a mineral or organic filler and an acrylic polymer, whereby said substance comprises between 15% and 25% by dry weight of said acrylic polymer and mixed therewith between 4% and 22% by dry weight of titanium dioxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.