Glycerol levulinate ketals and their use in the manufacture of polyurethanes, and polyurethanes formed therefrom
US8492433B2 · kind B2 · utility
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55References
27Claims
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Key dates
| Filing date | Apr 12, 2012 |
| Grant date | Jul 23, 2013 |
| Priority date | — |
| Expiry date | Apr 12, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/139
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present disclosure relates to the preparation of ketal compounds from glycerol and levulinic acid and esters, and uses thereof, in particular the manufacture of polyurethanes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.