Back to results
US 8,940,058 B2Granted
Fluorescent whitening agent aqueous solutions
Assignee3V Sigma S.p.A.
InventorsFerruccio Berte', Paolo Alioli, Marco Brena
Life of this patent
Estimating the term…
Abstract
The present invention relates to a composition comprising a fluorescent whitening agent and a tertiary alkanolamine, a stable aqueous solution of such a composition and use of such composition for the bleaching of textile fibers or paper.
Claims9
A composition comprising:
- i) at least one compound of formula (I) N1R2R3 wherein R1 and R2, independently of each other, are selected in the group consisting of C1-C3 alkyl groups, and R3 is a hydroxyethyl group;
- and
- ii) at least one compound selected in the group consisting of the following compounds of formula (IIb), (IIc) (IIe)
- wherein
- X is selected in the group consisting of hydrogen, alkaline metals, alkaline-earth metals, ammonium or ammonium derived from a compound of formula (I).
2 more elements
Dependencies are inferred from the claim text.