Roofing material
US8389103B2 · kind B2 · utility
38Cited by
18References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2006 |
| Grant date | Mar 5, 2013 |
| Priority date | — |
| Expiry date | Mar 2, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24372
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Roofing material consists essentially of a substrate, a hot melt material applied to one side of the substrate, an asphalt material coating the other side of the substrate and roofing granules disposed on said asphalt material coated on the substrate. The hot melt material may be polyethylene, polyethylene-vinyl acetate, polypropylene, polyvinylidene chloride, polyester, nylon and mixtures thereof. The asphalt material may include non-asphaltic filler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.