Method for reducing the aldehyde emissions of polyurethane foams
US11572435B2 · kind B2 · utility
0Cited by
16References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 12, 2017 |
| Grant date | Feb 7, 2023 |
| Priority date | — |
| Expiry date | Jun 7, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/019
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a process for producing polyurethanes having reduced aldehyde emissions using large amounts of phenolic antioxidants. The present invention further relates to the polyurethanes obtainable from this process, and to the use of such polyurethanes, for example in the interior of automobiles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.