Sulfur calibration and analytical reference gas for part per billion concentration sulfur measurements
US8993336B1 · kind B1 · utility
0Cited by
2References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 4, 2012 |
| Grant date | Mar 31, 2015 |
| Priority date | — |
| Expiry date | May 4, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates in part to a Sulfur standard gas in the ppb range in a matrix gas. The Sulfur standard gas is maintained in a cylinder under pressure sufficient to compress the majority of the Sulfur gas and into a liquid matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.