Method of continuously dyeing nonwoven fabrics and the...

Details Method of continuously dyeing nonwoven fabrics and the... Method of continuously dyeing nonwoven fabrics and the...

2005-06-14

2005-06-14

Einsmann, Margaret (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Nominal textile manufacture process combined with dyeing

C008S650000, C008S653000

Reexamination Certificate

active

06905524

ABSTRACT:
It is the objective of the present invention to disclose a method of continuously dyeing durable nonwoven fabrics, and more specifically, nonwoven fabrics comprising a cellulosic fibrous material dyed with indigo dyestuffs. It is in accordance with the present invention, to utilize synthetic fibers in combination with natural or cellulosic fibers in the formation of a nonwoven web. The natural fibers, preferably cotton, make up at least 10% of the fibrous nonwoven fabric.

REFERENCES:
patent: 3457022 (1969-07-01), Fields
patent: 3485706 (1969-12-01), Evans
patent: 5484457 (1996-01-01), Schulze et al.
patent: 5611822 (1997-03-01), Gurley
patent: 5882359 (1999-03-01), Leupin et al.
patent: 6004358 (1999-12-01), Kruger et al.
patent: 6022447 (2000-02-01), Radwanski et al.

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