Desiccant system
US6716276B2 · kind B2 · utility
14Cited by
13References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2002 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Jun 25, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2259/4566
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A desiccant system in which a body of water-vapor-adsorbing desiccant material is sealed in a bag which is permeable to water vapor, but not to liquid water or particulates. A humidity indicator is sealed to the bag, and is sensitive to humidity within the bag, but not to water or water vapor outside the bag. The indicator changes color when a predetermined humidity level has been reached within the bag, and thereby to signal that the bag should be replaced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.