Use of small pore silicas as a support for a chiral stationary phase
US5889180A · kind A · utility
3Cited by
13References
9Claims
0Family size
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Key dates
| Filing date | Nov 10, 1997 |
| Grant date | Mar 30, 1999 |
| Priority date | — |
| Expiry date | Nov 10, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/54
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Small pore silicas serving as the inert core support in chiral stationary phases show a surprising increase in column capacity relative to conventional chiral stationary phases having large pore silicas as the inert core support. This affords increased productivity and lower overall costs for chiral resolutions using a chiral stationary phase as adsorbent and an achiral liquid as eluant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.