Coated roofing materials
US12172935B2 · kind B2 · utility
0Cited by
24References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2019 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | May 28, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A roofing membrane is provided that includes at least one substrate at least partially impregnated with a first asphalt coating composition and a liquid parting agent emulsion applied to the upper surface of the asphalt-coated substrate. The liquid parting agent emulsion comprises one or more thermoplastic polymers and about 15 wt. % to about 40 wt. % of at least one mineral filler, based on the weight of the total solids in the emulsion. The first asphalt coating composition is free of oxidized asphalt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.