Patents by Inventor Claudia Carisch

Claudia Carisch has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Monoazo dyes having a fiber-reactive 2-vinylsulfonyl-5-sufoaniline diazo component and a fiber-reactive halotriazinyl-substituted coupling component of the benzene or naphthalene series
    Patent number: 5731421
    Abstract: Reactive dyes of the formula ##STR1## in which K and Z are as defined in claim 1, are suitable in particular for the dyeing and printing of cellulose-containing fibre material and produce dyeings and prints having good fastness properties in high coloristic yield.
    Type: Grant
    Filed: June 30, 1995
    Date of Patent: March 24, 1998
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Athanassios Tzikas, Claudia Carisch
  • Reactive dyes, process for their preparation and the use thereof
    Patent number: 5597904
    Abstract: Reactive dyes of formula ##STR1## wherein Z is a group of formula --CH.dbd.CH.sub.2 or --CH.sub.2 --CH.sub.2 --Y, and Y is a leaving group, and K is a radical of formula ##STR2## wherein X is a radical of formula --(CH.sub.2).sub.n --Cl, ##STR3## or --CH.dbd.CH.sub.2 ; Hal is halogen; and n is 1, 2, 3 or 4; R is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 alkyl; R.sub.1 is amino or hydroxyl; R.sub.2 is methyl or carboxyl; and R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, halogen or carboxyl, are particularly suitable for dyeing or printing cellulosic fibre materials or natural or synthetic polyamide fibre materials in high tinctorial yield, and give dyeings and printings with good fastness properties.
    Type: Grant
    Filed: March 12, 1996
    Date of Patent: January 28, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Athanassios Tzikas, Claudia Carisch
  • Fiber reactive disazo dyes having a 2-vinylsulfonyl-5-sulfoaniline diazo component or a precursor thereof
    Patent number: 5530104
    Abstract: Reactive dyes of the formula ##STR1## in which K and Z are as defined in claim 1, are suitable in particular for the dyeing and printing of cellulose-containing fibre material and produce dyeings and prints having good fastness properties in high coloristic yield.
    Type: Grant
    Filed: October 18, 1994
    Date of Patent: June 25, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: Athanassios Tzikas, Claudia Carisch
  • Reactive dyes, process for their preparation and the use thereof
    Patent number: 5523397
    Abstract: Reactive dyes of formula ##STR1## wherein Z is a group of formula --CH.dbd.CH.sub.2 or --CH.sub.2 --CH.sub.2 --Y, and Y is a leaving group, and K is a radical of formula ##STR2## wherein X is a radical of formula ##STR3## Hal is halogen; and n is 1, 2, 3 or 4; R is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 alkyl; R.sub.1 is amino or hydroxyl; R.sub.2 is methyl or carboxyl; and R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, halogen or carboxyl, are particularly suitable for dyeing or printing cellulosic fiber materials or natural or synthetic polyamide fiber materials in high tinctorial yield, and give dyeings and printings with good fastness properties.
    Type: Grant
    Filed: October 7, 1994
    Date of Patent: June 4, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: Athanassios Tzikas, Claudia Carisch
  • Reactive dyes containing a vinylsulfonyl-substituted 2-aminonaphthalene coupling component and a haloacryloylaniline diazo component or the like
    Patent number: 5480976
    Abstract: Reactive dyes of formula ##STR1## wherein X, Z, R.sub.1, R.sub.2, R.sub.3, R.sub.4 and m are as defined in claim 1, are particularly suitable for dyeing or printing cellulosic fiber materials or natural or synthetic polyamide fiber materials in high tinctorial yield, and give dyeings and prints with good fastness properties.
    Type: Grant
    Filed: October 7, 1994
    Date of Patent: January 2, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: Athanassios Tzikas, Claudia Carisch
  • Reactive dyes containing a 2,6-diaminopyridine coupling component
    Patent number: 5434252
    Abstract: Reactive dyes of the formula ##STR1## in which D, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as defined in claim 1, are particularly suitable for dyeing or printing cellulosic fiber materials or naturally occurring or synthetic polyamide fiber materials with a high tinctorial yield, and produce dyeings and prints having good fastness properties.
    Type: Grant
    Filed: October 25, 1994
    Date of Patent: July 18, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul Herzig, Athanassios Tzikas, Anton Andreoli, Claudia Carisch
  • Dye mixtures, processes for their preparation and their use
    Patent number: 5393306
    Abstract: Dye mixtures which comprise a reactive dye of the formula ##STR1## together with at least one reactive dye of the formulae ##STR2## in which D, D', R.sub.1, R.sub.2, R.sub.3, R.sub.3 ' and B are as defined in claim 1, are particularly suitable for dyeing or printing cellulosic fibre materials or naturally occurring or synthetic polyamide fibre materials with a high tinctoffal yield, and produce dyeings and prints having good fastness properties.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: February 28, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Athanassios Tzikas, Claudia Carisch
  • Fiber reactive azodyes having a 2-vinylsulfonyl-5-sulfoaniline diazo component or a precursor thereof
    Patent number: 5391718
    Abstract: Reactive dyes of the formula ##STR1## in which K and Z are as defined in the disclosure, are suitable in particular for the dyeing and printing of cellulose-containing fibre material and produce dyeings and prints having good fastness properties in high coloristic yield.
    Type: Grant
    Filed: February 26, 1993
    Date of Patent: February 21, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Athanassios Tzikas, Claudia Carisch