Dehumidifying device
US7323035B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 2003 |
| Grant date | Jan 29, 2008 |
| Priority date | — |
| Expiry date | Mar 18, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2259/455
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A dehumidifying device for absorbing water vapour from ambient air comprising a container having an opening to permit water vapour to enter the container, the container having a water-absorbing agent disposed therein for absorbing water vapour, wherein a first portion of the water-absorbing agent is adapted to provide an indication of water absorption faster than a second portion of the water-absorbing agent following exposure of the first and second portions of water-absorbing agents to water vapour, thereby providing an early indication of the operation of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.