Oxygen scavenging compositions for low temperature use

Compositions – Reductive bleachant – deoxidant – reductant – or generative – Deoxidant or oxygen scavenging

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Other Related Categories

2521813, 526 90, 526335, 2065242, 502402, 502406, C09K 1500, B65D 8584, B01J 2026

Type

Patent

Status

active

Patent number

053104978

Description

ABSTRACT:
Improved compositions for scavenging oxygen are disclosed. These materials, characterized by low degree crystallinity and a glass transition temperature of <-10.degree. C., have high oxygen scavenging rates at low temperatures. The composition comprises an ethylenically unsaturated hydrocarbon and a transition metal catalyst and can be incorporated into various types of layers. It is preferable that the composition be incorporated into layers of multilayered articles used for packaging oxygen-sensitive products such as food products.

REFERENCES:
patent: 3935141 (1976-01-01), Potts et al.
patent: 4908151 (1990-03-01), Inoue et al.
patent: 4983651 (1991-01-01), Griffin
Application of `Active Packaging` for "Improvement of Shelf Life and Nutritional Quality of Fresh and Extended Shelf-Life Foods", Labuza and Breene, Journal of Food Processing and Preservation, vol. 13, pp. 1-69 (1989).
"Ageless.sup.R -A New Age in Food Preservation" (date unknown), Mitsubishi Gas Chemical Company, Inc.

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