Process for foam treating pile fabrics
AssigneeE. I. Du Pont de Nemours and Company
InventorPeter Michael Murphy
Life of this patent
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Abstract
An improved process for applying a treating agent in the form of a foam to fibrous material wherein the improvement comprises applying foam having a blow ratio of from about 2:1 to about 6:1 using equipment designed for the application of liquid treating agents is disclosed.
Claims8
A process comprising applying a treating agent in the form of a foam to fibrous material said foam having a half life of from about 2 to about 5 minutes and a blow ratio of from about 2:1 to about 6:1 at a wet pick up of from about 80% to about 150% using liquid application equipment wherein said material is passed through a chemical bath containing the treating agent.
Dependencies are inferred from the claim text.