Roofing membranes with expandable graphite as flame retardant
US9611639B2 · kind B2 · utility
5Cited by
27References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2012 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | Dec 31, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2419/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A roofing membrane comprising at least one layer of a cured rubber and expandable graphite dispersed within the cured rubber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.