Isothiocyanate functional surfactants, formulations incorporating the same, and associated methods of use
AssigneeThe William M. Yarbrough Foundation
InventorMichael E. Silver
Life of this patent
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Abstract
An isothiocyanate functional surfactant, wherein the protonated form of the surfactant includes the structure of formula (IA): wherein R1 includes the structure of formula (IIA), (IIIA), or (IVA), wherein X includes an integer ranging from approximately 0 to approximately 20, wherein R2 comprises a linear or branched aliphatic group containing approximately 8 to approximately 25 carbon atoms, and wherein R3 comprises an aliphatic or aromatic group containing approximately 1 to approximately 20 carbon atoms and at least one—N═C═S group.
Claims21
A compound represented by the structure of formula (IA):
- wherein R1 is selected from the group consisting of the structures of formula (IIA), (IIIA), and (IVA);
- wherein X is an integer ranging from 1 to 20;
- wherein R2 is a linear or branched aliphatic group containing 8 to 25 carbon atoms;
- and
- wherein R3 is an aliphatic or aromatic group containing 1 to 20 carbon atoms and at least one—N═C═S group.
A compound represented by structure of formula (IB):
- wherein R1 is selected from the group consisting of the structures of formula (IIB), (IIIB), and (IVB);
- wherein X is an integer ranging from 0 to 20;
- wherein R2 is a linear or branched aliphatic group containing 8 to 25 carbon atoms;
- wherein R3 is an aliphatic or aromatic group containing 1 to 20 carbon atoms and at least one—N═C═S group;
- and
- wherein M+ is selected from the group consisting of Li+, Na+, K+, and H+.
A formulation, comprising:
- a compound represented by the structure of formula (IB):
- wherein R1 is selected from the group consisting of the structures of formula (IIB), (IIIB), and (IVB);
- wherein X is an integer ranging from 1 to 20;
- wherein R2 is a linear or branched aliphatic group containing 8 to 25 carbon atoms;
- wherein R3 is an aliphatic or aromatic group containing 1 to 20 carbon atoms and at least one—N═C═S group;
- wherein M+ is selected from the group consisting of Li+, Na+, K+, and H+;
- and
- a non-hygroscopic solvent.
Dependencies are inferred from the claim text.