Non-black rubber membranes
US8367760B1 · kind B1 · utility
7Cited by
26References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2009 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Sep 14, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/10
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A roofing membrane comprising an olefinic rubber; and from about 20 to about 250 parts by weight of a silica filler per 100 parts by weight rubber; wherein the silica filler is chemically coupled to the olefinic rubber; and wherein the roofing membrane is non-black.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.