Oxygen absorber for low moisture products
US5207943A · kind A · utility
38Cited by
15References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 1991 |
| Grant date | May 4, 1993 |
| Priority date | — |
| Expiry date | Jan 7, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23B2/717
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
An oxygen-absorbing composition for absorbing oxygen from an enclosure, such as a package, containing a low-moisture product having an equilibrium relative humidity, or water activity, of between 30% and 90% including in relatively sufficient proportions for absorbing oxygen in the container, particles of iron, particles of a solid electrolyte material, and particles of hydrogel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.