Preservative composition
US4820442A · kind A · utility
30Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1986 |
| Grant date | Apr 11, 1989 |
| Priority date | — |
| Expiry date | Dec 22, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23B4/24
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a preservative composition for foodstuffs and the like, which is comprised of (i) a metal powder or a granulated product thereof, (ii) an oxidation accelerator for the metal, (iii) polyallylamine, and (iv) an optional ethanol vapor-generating member. The polyallylamine is preferably deodorized by loading a solution of polyallylamine or a salt thereof on a carrier, and heating and drying the polyallylamine-loaded carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.