Stock material or miscellaneous articles – Structurally defined web or sheet – Weight per unit area specified
Patent
1997-01-08
1998-06-09
Raimund, Christopher
Stock material or miscellaneous articles
Structurally defined web or sheet
Weight per unit area specified
428373, 442347, 442351, B32B 702
Patent
active
057630658
ABSTRACT:
Multilayer microfibers of at least one layer of a hydrolytically degradable polymer and at least one layer of a water soluble polymer are disclosed. The articles have water resistance during preparation, storage, and use with mammals but are dispersible when submersed in water at conditions of elevated temperature, elevated pH, and during a single commercial laundry cycle. The articles solve both the problem of solid waste disposal prevalent with single use garments and the problem of repeated cleansing and recycling of multiple use garments. Contamination associated with the articles of the invention after their use will be disinfected during the commercial laundry cycle that is utilized to disperse the article.
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Patnode Gregg A.
Rutherford Denise R.
Schlei Dietmar
Griswold Gary L.
Hornickel John H.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Raimund Christopher
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