Laminated sulphur dioxide generators

Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Including gas generating means

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239 55, 239 60, B01J 700

Patent

active

051065967

ABSTRACT:
A sulphur dioxide generator is disclosed which comprises two sheets of synthetic or other material which are laminated together by a laminating substance. Dispersed in the laminating substance is a material which, in the presence of moisture, generates sulphur dioxide. The sheets are pervious to water vapor and sulphur dioxide and can be of natural, synthetic or semi-synthetic sheet material. Suitable sheet materials are polyester, polypropylene, polyethylene, cellulose, paper, cellulose acetate or regenerated cellulose foil.

REFERENCES:
patent: 2898026 (1959-08-01), Aid
patent: 3996007 (1976-12-01), Fang et al.
patent: 4331693 (1982-05-01), Wojciechowski
patent: 4384972 (1983-05-01), Nakamura et al.
patent: 4411918 (1983-10-01), Cimino et al.
patent: 4490330 (1984-12-01), Howes et al.
patent: 4550026 (1985-10-01), Ando
patent: 4882874 (1988-07-01), Paulson et al.
Chem. Abstract 96(3): 18868f [in English], Illouze, "Packing for Preservation . . . ," Apr. 1981.

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