Patents by Inventor Dieter Mausezahl

Dieter Mausezahl 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).

  • Patent number: 5416227
    Abstract: The invention includes printing ink compositions containing an organic solution of a film-forming polymer and a dye salt of formula ##STR1## wherein R is a group of formula ##STR2## wherein R.sub.1 is C.sub.1 -.sub.4 alkyl, R.sub.2 and R.sub.3 are each independently of the other hydrogen, CH.sub.2 X, SO.sub.2 Y or NHCOZ, R.sub.4 is hydrogen or C.sub.1 -C.sub.4 alkyl and R.sub.5 is CH.sub.2 X, SO.sub.2 Y or NHCOZ, X is a NHCOR.sub.6 or NR.sub.7 SO.sub.2 R.sub.6 group, Y is NR.sub.8 R.sub.9 or N(R.sub.8).sub.2, and Z is C.sub.1 -C.sub.4 alkyl or NHR.sub.9, R.sub.6 is C.sub.1 -C.sub.4 alkyl, unsubstituted phenyl or phenyl which is substituted by C.sub.1 -C.sub.4 alkyl or halogen, R.sub.7 is hydrogen or C.sub.1 -C.sub.4 alkyl and R.sub.8 is hydrogen, C.sub.1 -C.sub.4 alkyl or a ##STR3## group, and R.sub.9 is hydrogen C.sub.1 -C.sub.4 alkyl or phenyl, and R', R" and R"' are alkyl radicals containing together 10 to 24 carbon atoms, or a mixture of such dye salts.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: May 16, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Martin Tanner, Dieter Mausezahl, Paul Lienhard, Robert von Arx
  • Patent number: 5298036
    Abstract: Azo dyes of the formula ##STR1## in which R.sub.1 and K are as defined in claim 1, produce on nitrogen-containing or hydroxyl-containing fibre materials dyeings having good fastness properties.
    Type: Grant
    Filed: July 14, 1992
    Date of Patent: March 29, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Dieter Mausezahl, Urs Lehmann
  • Patent number: 5131919
    Abstract: The invention relates to a dye mixture containing a dye of the formula ##STR1## and a dye of the formula ##STR2## where R is cyclohexyl or phenyl, which may each be substituted by C.sub.1 -C.sub.4 alkyl, acetylamino, N-C.sub.1 -C.sub.4 alkylacetylamino, benzoylamino, ureido or by phenylsulfonylamino or phenylsulfonyloxy which may be substituted in the phenyl ring by C.sub.1 -C.sub.4 alkyl.Said dye mixture is suitable for dyeing and printing natural or synthetic polyamide materials, in particular in combination with other dyes and in particular from short liquors. The mixture is notable for generally good properties, in particular good dyeing properties and good solubility.
    Type: Grant
    Filed: April 18, 1991
    Date of Patent: July 21, 1992
    Assignee: Ciba-Geigy Corporation
    Inventor: Dieter Mausezahl
  • Patent number: 5106960
    Abstract: The present invention relates to azo dyes of the formula ##STR1## wherein X is an aryloxy radical or an unsubstituted or substituted C.sub.1 -C.sub.12 alkyl radical, a cycloalkyl radical or an aryl radical or a group of the formula ##STR2## wherein R.sub.1 is hydrogen, unsubstituted or substituted lower alkyl, cycloalkyl or aryl, and R.sub.2 is hydrogen or unsubstituted or substituted lower alkyl, or wherein R.sub.1 and R.sub.2, together with the nitrogen atom to which they are attached, form a 5- or 6-membered heterocyclic ring which may contain a further hetero-atom, Y is halogen, low molecular alkyl or low molecular alkoxy, and K is the radical of a coupling component of the benzene or naphthalene series or of the heterocyclic series.These dyes yield dyeings of good light- and wetfastness on polyamide material.
    Type: Grant
    Filed: March 22, 1991
    Date of Patent: April 21, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Rudolf Hurter, Dieter Mausezahl
  • Patent number: 5096460
    Abstract: The invention relates to a dye mixture containing a dye of the formula ##STR1## in which R.sub.1 is methyl or ethyl and at least one dye of the formulae (2) and (3) ##STR2## in which D is substituted or unsubstituted phenyl, thiophenyl or benzothiazolyl, R.sub.2 is C.sub.1 -C.sub.8 alkyl, R.sub.3 is substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, and R.sub.4 is hydrogen or C.sub.1 -C.sub.4 alkyl, and ##STR3## in which R.sub.5 is C.sub.1 -C.sub.4 alkyl. The dye mixture is distinguished by generally good properties, in particular by good exhaustion.
    Type: Grant
    Filed: November 19, 1990
    Date of Patent: March 17, 1992
    Assignee: Ciba-Geigy Corporation
    Inventor: Dieter Mausezahl
  • Patent number: 5094665
    Abstract: The invention relates to a dye mixture containing a dye of the formula ##STR1## in which R.sub.1 is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halogen, C.sub.2-4 alkanoylamino or an unsubstituted or substituted arylsulfonyl, aryloxy or arylcarbonyl radical, R.sub.2 is hydrogen, halogen, an unsubstituted or substituted alkyl, aryloxy or aryloxysulfonyl radical or a radical of the formula ##STR2## R.sub.3 is unsubstituted or substituted alkyl or aryl radical, R.sub.4 is hydrogen or alkyl and R.sub.5 and R.sub.6 independently of one another are hydrogen or an unsubstituted or substituted alkyl, cycloalkyl or aryl radical, and at least one dye of the formula (2) to (5) ##STR3## in which the benzene rings I, II and III can be substituted, ##STR4## in which the benzene rings IV, V and VI can be substituted and R is hydrogen or arylsulfonyl, ##STR5## in which B.sub.1, B.sub.2 and E.sub.1 are hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or C.sub.2-4 hydroxyalkoxy and X is straight-chain or branched C.sub.
    Type: Grant
    Filed: October 18, 1990
    Date of Patent: March 10, 1992
    Assignee: Ciba-Geigy Corporation
    Inventor: Dieter Mausezahl
  • Patent number: 5092906
    Abstract: The invention relates to a dye mixture containing a dye of the formula ##STR1## in which R.sub.1 is methyl or ethyl and at least one dye of the formulae (2) to (4) ##STR2## in which R.sub.2 is halogen, benzoylamino which is unsubstituted or substituted in the phenyl ring by halogen, 1-azacycloheptane-N-sulfonyl or ##STR3## in which R.sub.5 is C.sub.1 -C.sub.8 alkyl or phenyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, and R.sub.6 is hydrogen, or R.sub.5 and R.sub.6 are C.sub.1 -C.sub.8 alkyl, R.sub.3 is hydrogen, halogen or C.sub.1 -C.sub.8 alkyl, and R.sub.4 is hydrogen or halogen, ##STR4## in which D is substituted or unsubstituted phenyl, thiophenyl or benzothiazolyl, R.sub.7 is C.sub.1 -C.sub.8 alkyl, R.sub.8 is substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, and R.sub.9 is hydrogen or C.sub.1 -C.sub.4 alkyl, and ##STR5## in which R.sub.10 is C.sub.1 -C.sub.4 alkyl. The dye mixture is extinguished by generally good properties, in particular by good exhaustion.
    Type: Grant
    Filed: November 19, 1990
    Date of Patent: March 3, 1992
    Assignee: Ciba-Geigy Corporation
    Inventor: Dieter Mausezahl
  • Patent number: 5090964
    Abstract: The invention relates to a dye mixture containing a dye of the formula ##STR1## in which R.sub.1 is methyl or ethyl and at least one dye of the formula ##STR2## in which R.sub.2 is substituted or unsubstituted C.sub.1 -C.sub.8 alkyl is halogen, benzoylamino which unsubstituted or substituted in the phenyl ring by halogen, or 1-azacycloheptane-N-sulfonyl or ##STR3## in which R.sub.5 is C.sub.1 14 C.sub.8 alkyl or phenyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, and R.sub.6 is hydrogen or C.sub.1 -C.sub.8 alkyl, R.sub.3 is hydrogen, halogen or C.sub.1 -C.sub.8 alkyl, and R.sub.4 is hydrogen or halogen. The dye mixture is distinguished by generally good properties, in particular by good exhaustion.
    Type: Grant
    Filed: November 19, 1990
    Date of Patent: February 25, 1992
    Assignee: Ciba-Geigy Corporation
    Inventor: Dieter Mausezahl
  • Patent number: 4990599
    Abstract: The invention relates to a process for dyeing or printing natural or synthetic polyamide fibre materials which comprises dyeing or printing these fibre materials with reactive dyes of the formula ##STR1## where each M is a cation, R.sub.1 and R.sub.2 are independently of each other hydrogen or C.sub.1 -C.sub.4 alkyl, and X.sub.1 and X.sub.2 are independently of each other .alpha.,.beta.-dibromopropionyl, .alpha.-bromoacryloyl, chloroacetyl or a mono-, di- or trihalopyrimidinyl radical.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: February 5, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Dieter Mausezahl, Peter Loew
  • Patent number: 4935033
    Abstract: Natural polyamide fibres, in particular wool, are dyed by means of reactive dyes using the exhaust method in the presence of a dyeing assistant consisting of a combination of (a) quaternized ammonium compounds of polyglycol compounds and (b) of acidic esters or salts thereof derived from at least dibasic oxyacids and from polyglycol compounds, both the quaternary ammonium compounds and the acidic esters being derived from an aliphatic amine having 12 to 24 carbon atoms in the aliphatic moiety. The process comprises carrying out the dyeing in the additional presence of (c) a fatty alcohol/polyalkylene glycol ether of the formulaR-O-(alkylene-O.sub.m H (1)in which R is an aliphatic radical having at least 8 carbon atoms, "alkylene" is an ethylene radical or propylene radical and m is 3 to 25.
    Type: Grant
    Filed: September 21, 1988
    Date of Patent: June 19, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Walter Mosimann, Dieter Mausezahl
  • Patent number: 4917705
    Abstract: The invention relates to a process for dyeing or printing natural or synthetic polyamide fiber materials which comprises dyeing or printing these fiber materials with reactive dyes of the formula ##STR1## where each M is a cation, R.sub.1 and R.sub.2 are independently of each other hydrogen or C.sub.1 -alkyl, and X.sub.1 and X.sub.2 are independently of each other .alpha.,.beta.-dibromopropionyl, .alpha.-bromoacryloyl, chloroacetyl or a mono-, di- or trihalopyrimidinyl radical.
    Type: Grant
    Filed: September 21, 1988
    Date of Patent: April 17, 1990
    Assignee: Ciba-Geigy Corp.
    Inventors: Dieter Mausezahl, Peter Loew
  • Patent number: 4582897
    Abstract: Monoazo dyes of the formula ##STR1## in which K is a radical of the formula ##STR2## or of the formula ##STR3## in which R.sub.1 and R.sub.2 independently of one another is (sic) hydrogen, C.sub.1-4 -alkyl, which can be substituted by halogen, cyano, hydroxyl, carboxyl, sulfo, sulfato, C.sub.1-4 -alkoxy, C.sub.1-4 -alkoxycarbonyl, C.sub.1-4 -alkanoyloxy, phenyl, sulfophenyl and naphthyl, or cyclohexyl, or C.sub.1-4 -alkenyl, which can be substituted by halogen, or phenyl or naphthyl, or in which R.sub.1 and R.sub.2, together with the nitrogen atom connecting them and where relevant with the inclusion of a further hetero-atom, form a heterocyclic 5-membered or 6-membered ring, R.sub.3 is hydrogen, C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, which can be substituted by hydroxyl and C.sub.1-4 -alkoxy, or C.sub.1-4 -alkanoylamino, or benzoylamino, which can be substituted in the benzene nucleus by methyl, ethyl, methoxy, ethoxy, chlorine, carboxyl and sulfo, or ureido, C.sub.
    Type: Grant
    Filed: May 2, 1984
    Date of Patent: April 15, 1986
    Assignee: Ciba-Geigy Corporation
    Inventors: Dieter Mausezahl, Rudolf Hurter, Hansrudolf Schwander
  • Patent number: 4537598
    Abstract: A process for dyeing or printing natural and synthetic polyamide material by the trichromatic technique, which comprises the use of a red dye of the formula (1) defined in the specification, or a mixture of the red dye of the formula (1) with a red dye of the formula (2) together with at least one yellow or orange dye of the formula (3), or a mixture of at least one yellow or orange dye of the formula (3) with a yellow dye of the formula (4) and at least one blue dye of the formula (5). The process of the invention is suitable for dyeing natural or synthetic polyamide material from an aqueous liquor or for printing with printing pastes. It is particularly suitable for dyeing from short liquors.
    Type: Grant
    Filed: May 24, 1984
    Date of Patent: August 27, 1985
    Assignee: Ciba-Geigy Corporation
    Inventors: Harry Schaetzer, Helmut Raisin, Dieter Mausezahl
  • Patent number: 4445905
    Abstract: A process for the trichromatic dyeing and printing of natural and synthetic polyamide material with dyestuff mixtures. The process employs a red dye together with a blue mixture of dyes and a yellow or orange dye or mixtures thereof.The process is suitable for dyeing natural or synthetic polyamide material from an aqueous liquid or for printing with printing pastes, especially for dyeing from short liquors.
    Type: Grant
    Filed: April 5, 1983
    Date of Patent: May 1, 1984
    Inventors: Harry Schaetzer, Helmut Raisin, Dieter Mausezahl, Ciba-Geigy AG
  • Patent number: 4402704
    Abstract: The invention relates to a process for the trichromatic dyeing or printing of natural and synthetic polyamide materials with dye mixtures, in which process there is used the dye of the formula ##STR1## wherein R.sub.1 is methyl or ethyl, and R.sub.2 is cyclohexyl or phenyl, together with at least one dye of the formula ##STR2## wherein B.sub.1, B.sub.2 and E.sub.1 are hydrogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, and X is straight-chain or branched-chain C.sub.1 -C.sub.4 -alkyl, or straight-chain or branched-chain C.sub.2 -C.sub.4 -hydroxyalkyl, and a dye of the formula ##STR3## wherein one Y is hydrogen or methyl, and the other Y is C.sub.2 -C.sub.4 -alkanoylamino or C.sub.2 -C.sub.4 -hydroxyalkylsulfamoyl, or with a mixture of the dyes of the formulae ##STR4## where Y.sub.1 in the formula (4) is C.sub.2 -C.sub.4 -hydroxyalkylsulfamoyl, and Z is hydrogen or methyl, and Y.sub.2 in the formula (5) is C.sub.2 -C.sub.4 -alkanoylamino, Z in the formula (4) being hydrogen when Y.sub.
    Type: Grant
    Filed: February 8, 1982
    Date of Patent: September 6, 1983
    Assignee: Ciba-Geigy Corporation
    Inventors: Helmut Raisin, Dieter Mausezahl, Harry Schaetzer
  • Patent number: 4396393
    Abstract: The invention relates to a dye mixture which contains a dye of the formula ##STR1## wherein Z is hydrogen or methyl, and a dye of the formula ##STR2## Z in the formula (1) being hydrogen when the propionylamino group in the formula (2) is bound in the m-position with respect to the NH group. The dye mixture is suitable for dyeing or printing natural or synthetic polyamide materials, especially in combination with other dyes, and particularly from short liquors. The dye mixture is characterized by generally good properties, in particular by good strike properties and good solubility.
    Type: Grant
    Filed: February 8, 1982
    Date of Patent: August 2, 1983
    Assignee: Ciba-Geigy Corporation
    Inventors: Harry Schaetzer, Helmut Raisin, Dieter Mausezahl
  • Patent number: 4382890
    Abstract: Azo dye of the formula ##STR1## wherein X represents an .alpha.,.beta.-dichloropropionyl or .alpha.,.beta.-dibromopropionyl group or an .alpha.-chloroacryloyl or .alpha.-bromoacryloyl group,Y represents hydrogen, chlorine, low molecular alkyl or alkoxy or a sulpho group,Z represents an OH group or a radical of the m-sulphobenzene series,R represents a substituted or unsubstituted alkyl radical of 1 to 8 carbon atoms, andm is 1 or 2, and wherein the group --NH--X is in meta- or para-position to the azo group. These dyes give strong, brilliant, and bright yellow dyeings on cotton, regenerated cellulose, and natural or synthetic polyamide materials, characterized by excellent light fastness and good wet fastness.
    Type: Grant
    Filed: January 23, 1980
    Date of Patent: May 10, 1983
    Assignee: Ciba-Geigy Corporation
    Inventors: Rene de Montmollin, Dieter Mausezahl
  • Patent number: 4283331
    Abstract: Azo dyes of the formula ##STR1## in which D is the sulfo group-containing radical of an aromatic or heterocyclic diazo component, which can be further substituted and itself can contain an azo bridge, R.sub.1 and R.sub.2 independently of one another are each a hydrogen atom or a substituted or unsubstituted alkyl or aryl radical and X is a substituted or unsubstituted alkyl or alkenyl radical, and their heavy metal complexes, it being possible for the azo dyes of the formula (1) and their heavy metal complexes to contain reactive radicals.
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: August 11, 1981
    Assignee: Ciba-Geigy Corporation
    Inventors: Karl Seitz, Dieter Mausezahl
  • Patent number: 3947407
    Abstract: The invention relates to reactive dyestuffs containing as reactive group a radical of the formula ##EQU1## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.5 -alkyl, C.sub.1 -C.sub.5 -alkyl substituted by chlorine, bromine, cyano, hydroxy, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxcarbonylamino, di-C.sub.1 -C.sub.4 -alkylamino, sulfo, phenyl or phenyl substituted by C.sub.1 -C.sub.4 -alkyl, sulfo or C.sub.1 -C.sub.4 -alkoxycarbonyl and R.sub.2, R.sub.3 and R.sub.4 are hydrogen or C.sub.1 -C.sub.5 -alkyl.
    Type: Grant
    Filed: September 16, 1974
    Date of Patent: March 30, 1976
    Assignee: Ciba-Geigy AG
    Inventors: Dieter Mausezahl, Alexander Wohlkonig