Back to results
US 6,319,290 B1Granted
Fiber-reactive disazo dyestuffs
AssigneeClariant Finance (BVI) Limited
InventorsDetlef Kalweit, Martin Oberholzer
Life of this patent
Estimating the term…
Abstract
Compounds of the general formula (I) wherein R1 represents hydrogen or a C1-C4-alkyl group, X represents the radical of aliphatic, cyclic or aromatic diamines and Y represents hydrogen or an alkali metal, and a process for their preparation and their use for dyeing organic substrates, and organic substrates dyed with these compounds.
Claims16
Compounds of the general formula (I)
- wherein R1 represents hydrogen or a C1-4-alkyl group;
- X represents:
- (a) the radical of a cyclic diamine other than an aromatic diamine, which can optionally be substituted;
- (b) the radical of an aromatic diamine, wherein said radical is a member selected from the group consisting of
- wherein R2 is a member selected from the group consisting of —H, and—OH, provided that when R2 is H, R1 is H;
- and
- wherein R3 is —OH;
- or
- (c) the radical of an aliphatic group, said radical represented by the formula
- and
- Y represents hydrogen or an alkali metal, and mixtures of such compounds.
8 more elements
Compounds of the general formula
- wherein Y represents hydrogen or an alkali metal, and mixtures of such compounds, and wherein R1 and X are defined below:
- R1 Bridge X H —H —H —CH3 —H —H —CH3
Compounds of the general formula (I)
- wherein R1 represents hydrogen or a C1-4-alkyl group;
- X represents the radical of a cyclic diamine other than an aromatic diamine;
- and Y represents hydrogen or an alkali metal, and mixtures of such compounds.
Compounds of the general formula (I)
- wherein R1 represents hydrogen or a C1-4-alkyl group;
- X represents the radical of a cyclic diamine other than an aromatic diamine;
- and Y represents hydrogen or an alkali metal, and mixtures of such compounds;
- wherein the radical of the cyclic diamine is a member selected from the group consisting of
1 more element
Compounds of the general formula (I)
- wherein R1 represents hydrogen or a C1-4-alkyl group;
- X represents the radical of an aliphatic group, said radical represented by the formula
- and Y represents hydrogen or an alkali metal, and mixtures of such compounds.
Compounds of the general formula (I)
- wherein R1 represents hydrogen or a C1-4-alkyl group;
- X represents the radical of an aromatic diamine, wherein said radical is a member selected from the group consisting of
- (i)
- wherein R2 is a member selected from the group consisting of —H, and —OH, provided that when R2 is H, R1 is H;
- and
- wherein R3 is —OH;
- and Y represents hydrogen or an alkali metal, and mixtures of such compounds.
4 more elements
Compounds of the general formula (I)
- wherein R1 represents hydrogen;
- X represents the radical of an aromatic diamine represented by the formula
- and Y represents hydrogen or an alkali metal, and mixtures of such compounds.
Dependencies are inferred from the claim text.