Synthetic fiber dyeing process
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 25, 1997
Issued Date -
N/A
app pub date -
May 22, 1996
filing date -
May 17, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention is a method of producing a melt spun synthetic polymeric filament which has the superior deep dyeability thereof. The method includes the steps of application of a dye dispersed in water to the filaments during the drawing of the filament, and heat setting the surface dyed filaments to uniformly diffuse the dye throughout the total cross section of the filaments.
First Claim
Family
International Classification(s)
- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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