Oxygen-absorbing composition and method
US6558571B1 · kind B1 · utility
37Cited by
4References
40Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 11, 2000 |
| Grant date | May 6, 2003 |
| Priority date | — |
| Expiry date | Apr 29, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An oxygen-absorbing composition including in relatively sufficient proportions a dry acid, iron, and an inhibited carbon dioxide generating compound. A method of absorbing oxygen from a closed environment including the steps of providing an oxygen-absorbing composition comprising in relatively sufficient proportions by weight a dry acid, iron and an inhibited carbon dioxide generating compound, and injecting water into said composition. An oxygen-absorbing packet including an oxygen-permeable packet containing an oxygen-absorbing composition including iron and an inhibited carbon dioxide generating compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.