Topical polyurethane foam oxidative and photooxidative stabilizer
US8642130B2 · kind B2 · utility
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16References
8Claims
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Inventor
Key dates
| Filing date | Jun 12, 2009 |
| Grant date | Feb 4, 2014 |
| Priority date | — |
| Expiry date | Sep 17, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Methods for inhibiting oxidation and photooxidation in polyurethane foams are disclosed. The method involves spraying onto the surface of a polyurethane foam one of the following compositions: a solvent-based composition comprising: an organic solvent; an ultraviolet (UV) light inhibiting compound; and an antioxidant; or an emulsion comprising: water; an emulsifier; an ultraviolet (UV) light inhibiting compound; and an antioxidant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.