Method to solubilize biomass under mild conditions
US12358939B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Jun 9, 2022 |
| Grant date | Jul 15, 2025 |
| Priority date | — |
| Expiry date | Mar 16, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/31
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of completely dissolving lignocellulosic biomass. The method includes the steps of dissolving a sample of biomass in an aqueous solution of strong acid and an amine-thiol to yield a first solution. A method for measuring lignin concentration in biomass via absorbance of the first solution at a wavelength of about 283 nm by comparing the measured absorbance to a standard curve of absorbance values made from solutions of known lignin concentration.
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