Dehydrating container comprising a humidity state indicator
US7665601B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 18, 2007 |
| Grant date | Feb 23, 2010 |
| Priority date | — |
| Expiry date | May 16, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D79/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A dehydrating container made of a thermoplastic polymer suitable for packaging products sensitive to ambient humidity, said containing comprising: a visual humidity state indicator, a container body forming a casing, closed at one of its ends by a base and open at another end thereof, a reclosable closure capable of cooperatively fitting on the open end of said casing, optionally, a connector placed between the closure and the casing, and a humidity absorber inside the containing for absorbing humidity from the atmosphere inside the container. The absorber comprises a dehydrating agent and the reclosable closure comprises a visual humidity state indicator that changes color according to the existing humidity level and/or to a maximum humidity level. The visual indicator is advantageously located on an internal surface of the closure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.