Back to results
US 10,106,926 B2Granted
Formulations having benzoate dye carriers for meta-aramid articles
AssigneeDow Global Technologies LLC
InventorsAleksandr T. Gamble, Felipe A. Donate, Rebecca J. Wachowicz
Life of this patent
Estimating the term…
Abstract
Glycol ether benzoates, glycol benzoates and methyl benzoate facilitate the dyeing of the meta-aramid article, e.g., fibers, at or near neutral pH. The addition of an anionic surfactant, such as sodium lauryl sulfate, enhances the performance of the benzoates.
Claims9
An aqueous dye formulation consisting of:
- A. a cationic dye;
- B. a glycol ether benzoate;
- C. water;
- D. an anionic surfactant;
- and
- E. optionally, an additive selected from the group consisting of a salt, an ultraviolet light absorber, a pH adjuster, methoxytriglycol, and combinations thereof.
3 more elements
Dependencies are inferred from the claim text.