Built-up roofing surfacing sheets and methods of manufacture
US7923108B2 · kind B2 · utility
4Cited by
8References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 2009 |
| Grant date | Apr 12, 2011 |
| Priority date | — |
| Expiry date | May 12, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3626
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Built-up roofing surfacing sheets that include a white, resin coated aluminum foil adhered to one side of an asphalt-impregnated fiberglass mat and sand adhered to the other side of the asphalt-impregnated fiberglass mat, the surfacing sheet being compliant with the requirements of California Code of Regulations, Title 24 in effect as of Sep. 11, 2006, and methods of manufacturing the built-up roofing surfacing sheets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.