Passive sampling badge
US6607581B2 · kind B2 · utility
2Cited by
19References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2001 |
| Grant date | Aug 19, 2003 |
| Priority date | — |
| Expiry date | Apr 13, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/255
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A passive air sampler is designed to facilitate emptying granular or particulate adsorbent from it directly into a thermal desorption tube or other vessel for use in an analytical instrument. The preferred form has an adsorbent container in a conical or funnel-like shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.