Title:
Method of preserving packaged materials
United States Patent 2719660
Inventors:
Ellis, John M.
Publication Date:
10/04/1955
Export Citation:
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Assignee:
Ellis, John M.
Primary Class:
53/431
Other Classes:
53/432, 53/449, 53/468, 53/474, 141/4, 141/11, 141/70, 206/.5, 206/213.1, 426/124
International Classes:
A61L2/20; A61L2/20
View Patent Images:
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US Patent References:
2221520Apparatus for manufacturing carbon dioxide
2170531Apparatus for mixing a liquid with a gas
2159835Package and process for making the same
2054492Method of and apparatus for gassing and sealing products in cans
2027429Packing process
1406380Process of and means for putting up powdered milk and other food products in a sterile atmosphere
1371724Seal for solid formaldehyde products
0962036N/A
0697641N/A
0639674N/A
0113619N/A