Polyurethane foam and methods of forming the same
US11851521B2 · kind B2 · utility
0Cited by
4References
13Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 21, 2019 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | May 26, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyurethane foam may include a base polyol component, a phosphorous polyol component, an expandable graphite, and melamine. The polyurethane foam may have a VO rating based on a UL94 flame retardancy test performed at a polyurethane foam thickness of 3.5 mm and a polyurethane foam density of 380 kg/m3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.