Process for converting glycerin into propylene glycol
US8394999B2 · kind B2 · utility
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2References
11Claims
0Family size
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Key dates
| Filing date | Mar 12, 2012 |
| Grant date | Mar 12, 2013 |
| Priority date | — |
| Expiry date | Mar 12, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C29/60
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process to convert glycerin into propylene glycol and purifying the produced propylene glycol is described. The glycerin-based propylene glycol production requires only one process step compared to petroleum/natural gas-based propylene glycol production requires multiple process steps, and thus represents a cost savings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.