Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Including gas generating means
Patent
1989-06-30
1992-04-21
Lacey, David L.
Chemical apparatus and process disinfecting, deodorizing, preser
Physical type apparatus
Including gas generating means
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.
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patent: 4331693 (1982-05-01), Wojciechowski
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patent: 4550026 (1985-10-01), Ando
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Chem. Abstract 96(3): 18868f [in English], Illouze, "Packing for Preservation . . . ," Apr. 1981.
Lacey David L.
Waack Janelle D.
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