Patents by Inventor Josef Herd

Josef Herd 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: 6376656
    Abstract: Reactive dyestuffs of the formula (I) wherein R1 denotes H or unsubstituted or substituted C1-C4-alkyl, R2 denotes C1-C4-alkyl, X denotes F, Cl or Br, Z denotes —CH═CH2 or —CH2CH2—OSO3H, R15 denotes H, C1-C4-alkyl, C1-C4-alkoxy, Cl, Br, acylamino, amino carbonylamino, C1-C4-alkylsulphonylamino or arylsulphonylamino and R18 denotes H, C1-C4-alkyl, C1-C4-alkoxy, OH or SO3H. The invention also relates to a process for the preparation of the reactive dyestuff and their use of dyeing fibre materials containing OH groups and NH groups.
    Type: Grant
    Filed: October 26, 1999
    Date of Patent: April 23, 2002
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Klaus Kunde, Karl-Josef Herd
  • Patent number: 6124441
    Abstract: Described are fiber-reactive, water-soluble monoazo compounds which conform to the hereinbelow indicated and defined general formula (1) and which are capable of dyeing hydroxy- and/or carboxamido-containing material, especially fiber material, such as cellulose fibers, for example cotton or regenerated cellulose fibers, and also wool and synthetic polyamide fibers in high color strength and good fastnesses. ##STR1## where M is hydrogen, an alkali metal or some other salt-forming, colorless metal, D is a 2-sulfophenyl radical which may be additionally substituted by alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, sulfo and/or carboxy or is a 1-sulfonaphth-2-yl radical which may be additionally substituted by sulfo and/or carboxy, and the group --SO.sub.2 --Y is a fiber-reactive group of the vinyl sulfone series.
    Type: Grant
    Filed: April 13, 1999
    Date of Patent: September 26, 2000
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Stefan Ehrenberg, Karl-Josef Herd
  • Patent number: 6025478
    Abstract: Reactive dyestuff of the formula ##STR1## wherein D is a radical of a monaozo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone or nitroaryl organic dyestuff,a process for their preparation and their use for dyeing fiber materials containing OH groups and NH groups have been found.
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: February 15, 2000
    Assignee: Bayer AG
    Inventors: Klaus Kunde, Karl-Josef Herd
  • Patent number: 5944854
    Abstract: According to the invention, a process for the preparation of triphendioxazines systemetrically or asymmetrically amidated on both sides comprises reducing a triphendioxazine chromophore, which is optionally already amidated on one side, to give the leuco form end amidating and re-oxidizing the leuco form. Products amidated on both sides are obtained in this manner with a high yield and product quality. Novel triphendioxazine dyestuffs are furthermore prepared in this manner.
    Type: Grant
    Filed: July 15, 1997
    Date of Patent: August 31, 1999
    Assignee: Dystar Textilfarben GmbH & Co.
    Inventors: Christian Schumacher, Karl-Josef Herd
  • Patent number: 5856472
    Abstract: Novel aluminum phthalocyanine reactive dyestuffs of the formula (1) ##STR1## in which x is Cl or OH;Z is vinyl or a group of the formula --CH.sub.2 CH.sub.2 --Y, in which Y is a substituent which can be eliminated under alkaline conditions,c is a number from 0.5 to 4;M is a hydrogen, an alkali metal or a substituted or unsubstituted ammonium ion; andR.sup.1 and R.sup.2 independently of one another are hydrogen, substituted or unsubstituted C.sub.1 -C.sub.6 alkyl, a C.sub.1 -C.sub.6 -alkyl which is substituted by one or two radicals of the formulae OH, SO.sub.3 M or OSO.sub.
    Type: Grant
    Filed: June 16, 1997
    Date of Patent: January 5, 1999
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Karl-Josef Herd, Klaus Saitmacher
  • Patent number: 5780621
    Abstract: Phthalocyanines of the formula ##STR1## in which Z is a fiber-reactive radical and the other substituents and indices have the meaning given in the description, have improved use properties.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: July 14, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Harms, Karl-Josef Herd, Willi Brust
  • Patent number: 5709717
    Abstract: A phthalocyanine reactive dyestuff mixture having improved color levelness and combination properties comprises at least one phthalocyanine-fluoropyrimidinyl reactive dyestuff 2 and at least one phthalocyanine-vinylsulfonyl reactive dyestuff 1 or at least one phthalocyanine-monochlorotriazinyl reactive dyestuff 3, as well as one or more yellow reactive dyestuffs of the formula 4 to 9.
    Type: Grant
    Filed: May 7, 1996
    Date of Patent: January 20, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfram Reddig, Karl-Josef Herd, Wolfgang Harms
  • Patent number: 5696258
    Abstract: According to the invention, a process for the preparation of triphendioxazines symmetrically or asymmetrically amidated on both sides comprises reducing a triphendioxazine chromophore, which is optionally already amidated on one side, to give the leuco form and amidating and re-oxidizing the leuco form. Products amidated on both sides are obtained in this manner with a high yield and product quality. Novel triphendioxazine dyestuffs are furthermore prepared in this manner.
    Type: Grant
    Filed: November 8, 1996
    Date of Patent: December 9, 1997
    Assignee: DyStar Textilfarben GmbH
    Inventors: Christian Schumacher, Karl-Josef Herd
  • Patent number: 5686642
    Abstract: Reactive dyestuffs which, in the form of the free acid, correspond to the following formula ##STR1## wherein D is the radical of an organic dyestuff of the mono-azo, polyazo or metal complex azo series and the other substituents have the meaning given in the description, show improved application properties.
    Type: Grant
    Filed: July 16, 1996
    Date of Patent: November 11, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Konrad Bootz, Manfred Hoppe, Eckhard Bock, Wolfram Reddig, Thomas Eizenhofer, Wolfgang Harms, Karl-Josef Herd
  • Patent number: 5675040
    Abstract: The invention relates to a process for the preparation of compounds of the formula ##STR1## characterized in that the radical X in sulphones of the formulaX--(CH.sub.2 --CH.sub.2 --O).sub.m --(CH.sub.2).sub.n --SO.sub.2 --CH.sub.2 --CH.sub.2 OH (2)is replaced by ##STR2## or a compound of the formula ##STR3## is added to the sulphone of the formulaCH.sub.2 .dbd.CH--SO.sub.2 --CH.sub.2 --CH.sub.2 --OH (3),the substituents having the meanings given in the description.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: October 7, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Harms, Udo-Winfried Hendricks, Karl-Josef Herd, Klaus Kunde
  • Patent number: 5663442
    Abstract: The invention relates to a process for the preparation of compounds of the formula ##STR1## characterized in that the radical X in sulphones of the formulaX--(CH.sub.2 --CH.sub.2 --O).sub.m --(CH.sub.2).sub.n --SO.sub.2 --CH.sub.2 --CH.sub.2 OH (2)is replaced by ##STR2## or a compound of the formula ##STR3## is added to the sulphone of the formulaCH.sub.2 =CH--SO.sub.2 --CH.sub.2 --CH.sub.2 --OH (3),the substituents having the meanings given in the description.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: September 2, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Harms, Udo-Winfried Hendricks, Karl-Josef Herd, Klaus Kunde
  • Patent number: 5591834
    Abstract: Reactive dyestuffs of the formula ##STR1## in which Z is a cyano-free pyrimidine reactive group and the remaining groups have the meaning given in the description, are highly suitable for the dyeing and printing of hydroxyl- or amido-containing materials.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: January 7, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Konrad Bootz, Karl-Josef Herd
  • Patent number: 5554731
    Abstract: Preparation of water-soluble reactive dyes containing vinylsulphonyl and .beta.-sulphatoethylsulphonyl groups by the oxidation of dyes containing .beta.-hydroxyethylmercapto radicals, and then sulphation and, if appropriate, conversion of the .beta.-sulphatoethylsulphonyl radical to the vinylsulphonyl radical with bases.
    Type: Grant
    Filed: September 22, 1994
    Date of Patent: September 10, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl-Josef Herd, Peter Roschger
  • Patent number: 5538518
    Abstract: Dyeing and printing of natural or synthetic OH-- and/or amido-containing materials, in particular, those made of cotton and polyamides, with reactive dyestuffs which in the form of the free acid are of the formula ##STR1## wherein A is a chromophoric radical.
    Type: Grant
    Filed: April 17, 1995
    Date of Patent: July 23, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfram Reddig, Karl-Josef Herd
  • Patent number: 5493010
    Abstract: The dyestuffs of the formula ##STR1## in which D is the radical of a diazo component,SO.sub.2 X is the radical of a fibre-reactive group,and the remaining substituents have the meaning given in the descriptionare suitable for dyeing and printing hydroxyl- and amido-containing materials.
    Type: Grant
    Filed: March 17, 1994
    Date of Patent: February 20, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl-Josef Herd, Konrad Bootz, Eckhard Bock, Manfred Hoppe, Klaus Kunde, Wolfram Reddig
  • Patent number: 5465641
    Abstract: A knife cylinder for processing a continuous web has a plurality of knife blades mounted therein each associated with motors on the cylinder for adjusting each knife in a radial direction during rotation of the knife cylinder. A mechanism on the cylinder is provided for actuating each motor to control the radial adjustment of each knife, and a device located outside the knife cylinder is provided for operating the actuating mechanism.
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: November 14, 1995
    Assignee: Maschinenfabrik Goebel GmbH
    Inventor: Josef Herd
  • Patent number: 5460631
    Abstract: Reactive dyestuff mixtures containing one or more monochlorotriazine dyestuffs of the formula (1) ##STR1## and one or more monofluorotriazine dyestuffs of the formula (2) ##STR2## in which the substituents have the meaning given in the description, show on-tone exhaustion onto fibres and are fixed uniformly even under different fixation conditions.
    Type: Grant
    Filed: June 15, 1994
    Date of Patent: October 24, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Hoppe, Karl-Josef Herd, Konrad Bootz, Stefan Ehrenberg, Thomas Eizenhofer, Wolfgang Harms, Hermann Henk, Klaus Kunde, Stefan Meier, Wolfram Reddig
  • Patent number: 5436324
    Abstract: Improved reactive dyestuffs of the following formula (I) ##STR1## in which the substituents have the meaning given in the description. The improved reactive dyestuffs are highly suitable for the dyeing and printing of natural or synthetic OH-- and/or amido-containing materials, in particular, those made of cellulose and polyamides.
    Type: Grant
    Filed: July 23, 1992
    Date of Patent: July 25, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfram Reddig, Karl-Josef Herd
  • Patent number: 5434251
    Abstract: Symmetric azo dyestuffs of the formula ##STR1## wherein the substituents have the meaning given in the description, produce improved dyeings or prints on wool and cellulose materials.
    Type: Grant
    Filed: April 2, 1993
    Date of Patent: July 18, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventor: Karl-Josef Herd
  • Patent number: 5432266
    Abstract: Preparation of water-soluble reactive dyes containing vinylsulphonyl and .beta.-sulphatoethylsulphonyl groups by the oxidation of dyes containing .beta.-hydroxyethylmercapto radicals, and then sulphation and, if appropriate, conversion of the .beta.-sulphatoethylsulphonyl radical to the vinylsulphonyl radical with bases.
    Type: Grant
    Filed: April 1, 1993
    Date of Patent: July 11, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl-Josef Herd, Peter Roschger