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US 2005/0172856 A1Published application
Acidic mono azo dyestuffs
AssigneeClariant Finance (BVI) Limited
InventorLudwig Hasemann
Life of this patent
Estimating the term…
Abstract
Disclosed are novel dyestuff for printing recording materials, especially textile fiber materials, paper and papery substrates and plastic films and plastic transparencies by the inkjet printing process of the formula (I) wherein all substituents are defined in the claims.
Claims16
A dyestuff of formula (i)
- wherein
- R1 is H;
- C1-4alkyl;
- substituted C1-4alkyl;
- phenyl or substituted phenyl,
- R2 is H;
- C1-4alkyl;
- substituted C1-4alkyl;
- C1-4alkoxy;
- —COOH;
- —COOCH3;
- —CF3;
- —SO3H or —CN,
- R3 is H;
- C1-4alkyl;
- substituted C1-4alkyl;
- C1-4alkoxy;
- —SO3H;
- —CN;
- acetylamino;
- —OH;
- —CF3 or —SO2R5,
- wherein
- R5 is unsubstituted C1-4alkyl or substituted C1-4alkyl,
- R4 is H;
- unsubstituted C1-4alkyl or substituted C1-4alkyl,
- A is a radical of formula
- wherein
- B is unsubstituted phenylene;
- substituted phenylene or C1-4alkylene,
- X is —SO3H or —SO2R5 wherein
- R5 has the same meanings as defined above,
- or A is a radical of formula —SO2R6,
- wherein
- R6 is unsubstituted C1-4alkyl;
- substituted C1-4alkyl;
- unsubstituted phenyl or substituted phenyl,
- m is 0 or 1.
35 more elements
Dependencies are inferred from the claim text.