Modified sulfuric acid and uses thereof
US11846067B2 · kind B2 · utility
1Cited by
9References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2021 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Jul 16, 2041 |
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.