Dyeing of garments with low-substantivity vat dyes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 11, 1989
Issued Date -
N/A
app pub date -
May 16, 1988
filing date -
Apr 23, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a process for the rapid dyeing of a series of successive garments or batches of garments with a vat dye, preferably indigo dye, wherein the garments while contained are submerged in and impregnated with the dyeing solution in a first bath, then removed from it while draining the dyeing solution and conserving it for re-use, then promptly immersed in an oxidizing solution in a second bath so as to shock oxidize the dye present in the garments, then removed from the oxidizing bath while draining the oxidizing solution and preserving it for re-use, and then washed and dried, and wherein the time elapsed between removal of the garments from the dyeing solution and their immersion in the oxidizing solution is less than 5 minutes.
First Claim
Other Claims data not available