System, apparatus and method for concentrating chemical vapors
US7449050B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2005 |
| Grant date | Nov 11, 2008 |
| Priority date | — |
| Expiry date | Mar 6, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/255
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for concentrating a vaporous substance, which comprises: a sorbent material capable of capturing a vaporous substance; a first housing in which the sorbent material is located, a heating element proximate the exterior of the housing; a second housing defining a chamber within which the first housing resides, the first housing being located in said chamber such that there is a space permitting gas flow between the outside of the first housing and the inside of the second housing; and a pump capable of causing an exhaust gas to flow through the space in contact with the outside of the first housing; and methods for making and utilizing such apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.