Sheet useful as roofing
US4301204A · kind A · utility
10Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 1980 |
| Grant date | Nov 17, 1981 |
| Priority date | — |
| Expiry date | Nov 24, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3211
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Material useful as sheet roofing is made up of a foraminous, stress-free reinforcing layer covered with layers of titanium dioxide bearing unplasticized chlorinated polyethylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.