On-line analysis of process gas during the production of ketene
US6284547A · kind A · utility
3Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 27, 2000 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Apr 27, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/24
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a process for the on-line analysis of a reactive gas mixture, in particular of a gas mixture comprising ketene and/or diketene and/or acetic anhydride and/or acetic acid, which gas mixture is situated in a vessel, which comprises expanding a portion of the gas mixture instantaneously into a sampling line via a probe which is integrated into the vessel and which has an orifice whose clear cross sectional area is less than or equal to 1 mm.sup.2 and feeding it to a mass-spectrometric analysis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.