Porous silica particles
US11794165B2 · kind B2 · utility
0Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 2020 |
| Grant date | Oct 24, 2023 |
| Priority date | — |
| Expiry date | May 5, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/17
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present disclosure provides a porous silica having an average pore diameter of at least 210 Å and a pore volume of at least 0.80 cm3g−1. The present disclosure also provides a method of producing the porous silica including gelling a liquid phase-dispersed nanoparticulate silica in the presence of either (i) a Brønsted acid and an amine group having two or more primary or secondary amine groups or (ii) an amino acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.