INDIGO AND RING DYEING PROCESS USING SULFUR DYE AS BARRIER, AND MATERIAL PRODUCED THEREBY
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
N/A
Issued Date -
Oct 31, 2024
app pub date -
Apr 26, 2024
filing date -
Apr 26, 2024
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A method of ring dyeing a yarn includes the steps of providing a cellulosic yarn chosen from the group consisting of open-end yarns and ring yarns. The yarn is immersed in only one sulfur dye box, the sulfur dye box having a sulfur concentration of 1 to 50 grams/liter. The yarn is skyed for less than 30 seconds after removal from the sulfur dye box. The yarn is rinsed in water after skying. The yarn is dyed in an indigo dye bath, with the indigo dye bath maintained at a pH of 10.8 and 12.8. The yarn is skyed after removal from the indigo dye box.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully