Modified sulfuric acid and uses thereof
US12320066B2 · kind B2 · utility
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12References
9Claims
0Family size
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Key dates
| Filing date | Sep 11, 2023 |
| Grant date | Jun 3, 2025 |
| Priority date | — |
| Expiry date | Sep 11, 2043 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21C3/22
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A modified aqueous acid composition comprising: sulfuric acid; a compound comprising an amine moiety and a sulfonic acid moiety; and a peroxide; wherein sulfuric acid, said compound comprising an amine moiety and a sulfonic acid moiety and said peroxide are present in a molar ratio of no less than 1:1:1. Also disclosed are methods of using such compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.