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US 6,896,705 B2Granted
Mixtures of sulfuric esters
AssigneeBayer Aktiengesellschaft
InventorUwe Vogt
Life of this patent
Estimating the term…
Abstract
The invention relates to novel mixtures of sulfuric esters and specific sulfuric esters that are useful as leveling agents for the dyeing of nitrogenous fiber materials and to a process for their preparation by reacting sulfuryl chloride with specific alcohols.
Claims5
A sulfuric ester of formula (1)
- wherein
- R1 is an aliphatic radical having 1 to 30 carbon atoms,
- R2 is a radical of formula (2)
- wherein
- n is an integer from 0 to 30,
- m is an integer from 1 to 29,
- X is an aliphatic radical having 4 to 24 carbon atoms, and
- Y is H or SO2(OM), where M represents hydrogen, alkali metal, ammonium, mono-, di-, tri-, or tetra(C1-C6-alkyl)ammonium, or mono-, di-, tri-, or tetra(C2-C6-alkanol)ammonium ions,
- R3 is a radical of formula (3)
- wherein
- p is an integer from 4 to 35,
- R4 is H, methyl, ethyl, phenyl, or mixtures of H and methyl, and
- Z is H, methyl, ethyl, or SO2(OM), where M represents hydrogen, alkali metal, ammonium, mono-, di-, tri-, or tetra(C1-C6-alkyl)ammonium, or mono-, di-, tri-, or tetra(C2-C6-alkanol)ammonium ions, and
- a, b, and c are identical or different and are 0 or 1, with the proviso that a+b+c is 2.
11 more elements
A sulfuric ester according to claim 7 wherein
- R1 is an aliphatic radical having 4 to 30 carbon atoms,
- R2 is a radical of formula (2)
- wherein
- n is an integer from 0 to 10,
- m is an integer from 1 to 10,
- X is an aliphatic radical having 12 to 24 carbon atoms, and
- Y is H or SO2(OM), where M independently represents hydrogen, alkali metal, ammonium, mono-, di-, tri-, or tetra(C1-C6-alkyl)ammonium, or mono-, di-, tri-, or tetra(C2-C6-alkanol)ammonium ions,
- R3 is a radical of formula (3)
- wherein
- p is an integer from 3 to 35,
- R4 is H or methyl, and
- Z is H, methyl, ethyl, or SO2(OM), where M independently represents hydrogen, alkali metal, ammonium, mono-, di-, tri-, or tetra(C1-C6-alkyl)-ammonium, or mono-, di-, tri-, or tetra(C2-C6-alkanol)ammonium ions, and
- a, b, and c are identical or different and are 0 or 1, with the proviso that a+b+c is 2.
10 more elements
A sulfuric ester according to claim 7 wherein
- R1 is an aliphatic radical having 8 to 20 carbon atoms,
- R2 is a radical of formula (2)
- wherein
- n is an integer from 0 to 5,
- m is an integer from 1 to 5,
- X is an aliphatic radical having 16 to 22 carbon atoms, and
- Y is H,
- R3 is a radical of formula (3)
- wherein
- p is an integer from 9 to 22,
- R1 is H, and
- Z is H,and
- a, b, and c are identical or different and are 0 or 1, with the proviso that a+b+c is 2.
10 more elements
An organic or aqueous-organic formulation comprising 25 to 70% by weight of a mixture of sulfuric esters according to claim 7.
Dependencies are inferred from the claim text.