Back to results
US 7,439,340 B2Granted
Reactive dyes containing an alkylthio-s-triazinyl reactive group
AssigneeEverlight USA, Inc.
InventorsWen-Jang Chen, Hsien-Chung Shia, Duncan Adrian Sidney Phillips, John Anthony Taylor
Life of this patent
Estimating the term…
Abstract
A reactive dyestuff containing an alkylthio-s-triazinyl reactive group of the following formula (I) is disclosed, wherein A, X, Y, Z, R, Q, and a are defined the same as the specification. It is suitable for exhaust dyeing, cold batch-up dyeing and continuous dyeing materials that contain hydroxyl group or nitrogen group fibers.
Claims3
A reactive dyestuff of the following formula (1):
A reactive dyestuff of the following formula (2):
A reactive dyestuff of the following formula (3):
Dependencies are inferred from the claim text.