Flexible polyurethane foam, automobile seat pad, and flexible polyurethane foam production method
US12084574B2 · kind B2 · utility
0Cited by
3References
15Claims
0Family size
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Key dates
| Filing date | Jul 5, 2019 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Oct 25, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2350/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided is a flexible polyurethane foam having high hardness required for weight reduction of members and having low stress relaxation. A flexible polyurethane foam comprises a structural protein fiber having a length of 0.1 mm to 5 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.