Foodstuff freshness keeping agents
US4384972A · kind A · utility
87Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 1978 |
| Grant date | May 24, 1983 |
| Priority date | — |
| Expiry date | Jun 15, 1998 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23B2/717
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
Foodstuff freshness keeping agent comprising a particulate composition which contains a salt of manganese (II), iron (II), cobalt (II) or nickel (II), an alkali compound and a sulfite or a deliquescent substance, and optionally ascorbic acid or its salt, thereby to absorb oxygen in the interior of package of foodstuffs and/or generate therein carbon dioxide gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.