Gas chromatography column comprising a porous stationary phase in keeping therewith
US9643120B2 · kind B2 · utility
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Key dates
| Filing date | Oct 30, 2013 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Apr 3, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/66
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Gas chromatography column comprising a substrate, a channel formed in said substrate, a cover closing said substrate and a stationary phase covering the walls of said channel, wherein said stationary phase is made of SiOxCyHz with x between 1.6 and 1.8, y between 1 and 2.2 and z between 3 and 4, wherein said stationary phase is porous with a porosity of between 10% and 40%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.