HFO-containing isocyanate-reactive compositions, related polyurethane foam-forming compositions, and spray-applied polyurethane foams
US12098545B2 · kind B2 · utility
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8References
16Claims
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Key dates
| Filing date | Jun 29, 2021 |
| Grant date | Sep 24, 2024 |
| Priority date | — |
| Expiry date | Nov 10, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Isocyanate-reactive compositions that include a hydrofluoroolefin blowing agent, polyurethane foam-forming compositions, as well as spray-applied polyurethane foams formed therefrom that can provide structural support to wall structures and can also exhibit ASTM E84-16 Class A flame spread and smoke development characteristics at a foam thickness of 4 inches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.