Preparation of metal chalcogenide dispersions
US6911081B2 · kind B2 · utility
3Cited by
3References
26Claims
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Key dates
| Filing date | Jan 24, 2002 |
| Grant date | Jun 28, 2005 |
| Priority date | — |
| Expiry date | Nov 27, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/773
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Optionally doped nanoparticle dispersions of metal chalcogenides are prepared by a precipitation step in aqueous medium, followed by a diafiltration or ultrafiltration step in the presence of a compound capable of preventing agglomeration of said metal chalcogenide nanoparticles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.