Modified fatty acid esters and method of preparation thereof
US8217193B2 · kind B2 · utility
3Cited by
28References
22Claims
0Family size
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Key dates
| Filing date | Sep 15, 2009 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | Nov 22, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11C3/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of new polyols and polyesters from a natural oil or other unsaturated fatty acid esters is described. The process involves ozone cleavage of double bonds in the fatty acid chains of the oils along with coupling of a hydroxylated compound such as a mono-alcohol, a diol, or a polyol to the cleaved ends of the molecules resulting from the cleavage with a base. The resulting polyols and polyesters are as intermediates for polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.