Methods, systems and devices for simultaneous production of lactic acid and propylene glycol from glycerol
US9447011B2 · kind B2 · utility
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25Claims
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Key dates
| Filing date | Nov 21, 2013 |
| Grant date | Sep 20, 2016 |
| Priority date | — |
| Expiry date | Nov 21, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Methods, processes and systems for using solid catalysts to simultaneously produce lactic acid and propylene glycol from glycerol are provide, as are methods, processes and systems of converting glycerol use heterogeneous catalytic agents. Different combinations of catalysts and reaction conditions provide tunable ranges for the yields of lactic acid and propylene glycol. The conversion methods, processes and systems are not reliant on external hydrogen. Applications to crude glycerol, including that co-produced during biodiesel production, are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.