Multi-layered thermoplastic roofing membranes
US11987986B2 · kind B2 · utility
2Cited by
29References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2020 |
| Grant date | May 21, 2024 |
| Priority date | — |
| Expiry date | Oct 3, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/36
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multi-layered membrane comprising skin layers including an ethylene-based olefinic block copolymer (EBOC); and two or more core layers including a propylene-based elastomer (PBE).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.