Oxygen absorbent and use thereof

Details Oxygen absorbent and use thereof Oxygen absorbent and use thereof

1989-07-11

1991-07-02

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Solid sorbent

Organic

502407, B01J 2010, B01J 2022

Patent

active

050285785

ABSTRACT:
An oxygen absorbent, namely based on a combination of an absorbent in the form of porous, precipitated silicic acid as the water carrier and which is characterized by a mixture, in which the organic substances are formed by glucose and glucose oxidase and in which the particle or pore gaps of the precipitated silicic acid and other solids are at least kept partly free from water. In order to obtain a free-flowing mixture, it is advantageous if at least 40% of the particle or pore gaps are kept free from water, said value serving as a guide value. Simultaneously use is made of calcium carbonate, calcium hydrogen phosphate, magnesium carbonate or sodium hydrogen carbonate as absorbents or reaction accelerators. The invention also permits the use of a bag, tablet or pellets in mini containers containing this oxygen absorbent mixture for keeping food fresh.

REFERENCES:
patent: 4524015 (1985-06-01), Takahashi et al.
European Search Report dated 2/1/90.

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