Fine silver particle dispersion
US11227702B2 · kind B2 · utility
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19Claims
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Assignee
Inventors
Key dates
| Filing date | Apr 4, 2019 |
| Grant date | Jan 18, 2022 |
| Priority date | — |
| Expiry date | Apr 4, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2304/056
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
This disclosure relates to a fine silver particle dispersion including: (1) 65 to 95.4% by weight of fine silver particles which have an average primary particle diameter of 10 to 190 nm and which comprise 25% by number or less of silver particles having a primary particle diameter of 100 nm or larger, (2) 4.5 to 34.5% by weight of a solvent, and (3) 0.1 to 1.0% by weight of ethyl cellulose having a weight average molecular weight of 10,000 to 120,000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.