Modified sulfuric acid and uses thereof
US11760720B2 · kind B2 · utility
2Cited by
9References
11Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 26, 2021 |
| Grant date | Sep 19, 2023 |
| Priority date | — |
| Expiry date | Jun 14, 2041 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21C9/16
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An aqueous composition comprising: sulfuric acid; a compound comprising an amine moiety; a compound comprising a sulfonic acid moiety; and a peroxide. Said composition being capable of delignifying biomass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.