Specific compound detection system
US3996009A · kind A · utility
13Cited by
7References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1975 |
| Grant date | Dec 7, 1976 |
| Priority date | — |
| Expiry date | Sep 17, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/170769
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Apparatus for detecting the amount of a specific compound in a sample. The apparatus comprises, in combination, a gas chromatograph, a cold trap and a specific gas detector. The cold trap includes means to cool the gas passing therethrough to a predetermined pressure therein, whereby gaseous effluent from the trap substantially consists of the specific gas and an inert gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.