Silica-based sols
US8835515B2 · kind B2 · utility
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65References
17Claims
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Key dates
| Filing date | Apr 4, 2011 |
| Grant date | Sep 16, 2014 |
| Priority date | — |
| Expiry date | Apr 4, 2031 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H17/455
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An aqueous sol containing silica-based particles which sol has a specific surface area of at least 115 m2/g aqueous sol and a pH of at least 10.5, and an S-value within the range of from 10 to 45% and/or contains silica-based particles having a specific surface area of at least 550 and less than about 1200 m2/g SiO2, and wherein the sol is substantially free from aluminium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.