Supports for gas chromatography comprising aggregates of finely divided carbon particles and process for preparing the same
US5098784A · kind A · utility
14Cited by
4References
2Claims
0Family size
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Key dates
| Filing date | Jan 4, 1991 |
| Grant date | Mar 24, 1992 |
| Priority date | — |
| Expiry date | Jan 4, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Supports for gas chromatography comprising aggregates of finely divided carbon particles, said aggregates having a bulk specific gravity of 0.2 to 0.5 and a specific surface area of not more than 1.0 m.sup.2 /g and being produced by coating finely divided particles, such as carbon powder, having a diameter of 100 .mu.m or less and a content of particles having a diameter of 5 .mu.m or less of 20% or less, with a liquid thermosetting resin, and subjecting the coated particles to forming, curing, heat-treating, dividing and classifying; and a process for preparing said supports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.