Method of continuously dyeing nonwoven fabrics and the products thereof
US6905524B2 · kind B2 · utility
1Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2002 |
| Grant date | Jun 14, 2005 |
| Priority date | — |
| Expiry date | Jan 26, 2023 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/6025
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.