Process for treating oils containing antioxidant compounds
US6590113B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Mar 26, 2002 |
| Grant date | Jul 8, 2003 |
| Priority date | — |
| Expiry date | Mar 26, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11C3/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for treating a first oil containing antioxidant compounds selected from tocopherols, tocotrienols, sterols, or mixtures thereof comprising contacting the first oil with an effective amount of at least one compound under suitable reaction conditions to esterify at least about 50% of the antioxidant compounds to produce a second oil containing esters of the antioxidant compounds, the second oil and oil-based coatings or inks produced therefrom having reduced yellowing and improved drying property.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.