Roofing membranes comprising pressure-sensitive adhesives and methods of using same
US12168874B2 · kind B2 · utility
0Cited by
19References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2021 |
| Grant date | Dec 17, 2024 |
| Priority date | — |
| Expiry date | Dec 7, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D5/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Provided are roofing membranes comprising pressure-sensitive adhesives particularly adapted for use at cold temperature, and methods for using same. In one aspect, the disclosure provides a roofing membrane comprising: a bituminous sheet having a lower bituminous surface and an upper bituminous surface; and a non-bituminous cold-temperature pressure-sensitive adhesive disposed on the lower bituminous surface, the upper bituminous surface, or both, wherein the cold-temperature pressure-sensitive adhesive has an average adhesion of at least 10 lbs/ft (146 N/m) at 2° C. as measured by a two hour T-peel test.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.