Bio-based glutaralydehyde, and manufacture methods thereof
US8779213B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2010 |
| Grant date | Jul 15, 2014 |
| Priority date | — |
| Expiry date | Oct 19, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/60
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a bio-based glutaraldehyde compound and to the different non-fossil, natural raw material manufacture methods thereof. To prepare said compound, glycerol created by the methanolysis of vegetable oil or animal fat is used, leading after dehydration to acrolein that is caused to react with a vinyl/alkyl/ether as per a Diels-Alder cyclization reaction, followed by hydrolysis so as to obtain the bio-based glutaraldehyde of the invention. Sugars containing five carbon atoms, that is, pentoses created from for example hemicellulose, may also be used, leading after dehydration to furfural, which leads, after complete hydrogenation followed by selective oxidation, to the bio-based glutaraldehyde of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.