Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1979-06-27
1981-06-30
Herbert, Jr., Thomas J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
426 8, 426118, 426127, 426130, 426415, 427209, 428195, 428207, 428211, 428327, B32B 300, B32B 2714, B05D 500, B65B 5500
Patent
active
042763401
ABSTRACT:
A cellulose packaging film for packaging soft cheeses has a controlled permeability to oxygen, carbon dioxide, ammonia and water vapor which allows the cheese to properly ripen while wrapped in the packaging material. The cellulose packaging film is formed from a cellulose film substrate with a coating layer of a nitrocellulose varnish having distributed therein casein or starch particles which have a diameter which is greater than the thickness of the coating layer. In use, the soft cheese is wrapped with the cellulose packaging film with the nitrocellulose varnish layer facing the soft cheese.
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Herbert, Jr. Thomas J.
La Cellophane
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