Patents by Inventor Manfred Patsch

Manfred Patsch 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: 5625089
    Abstract: Anilines of the formula ##STR1## where rings A and B may each be benzofused,X is a bridge member,R.sup.1 and R.sup.2 are each hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, halogen, hydroxysulfonyl, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl or C.sub.1 -C.sub.4 -alkylsulfonyl,R.sup.3 is hydrogen, amino, C.sub.1 -C.sub.4 -alkanoylamino or nitro, andY is vinyl or a radical of the formula C.sub.2 H.sub.4 --Q, where Q is a group detachable under alkaline reaction conditions.
    Type: Grant
    Filed: February 28, 1996
    Date of Patent: April 29, 1997
    Assignee: BASF Aktiengesellschaft
    Inventor: Manfred Patsch
  • Patent number: 5585518
    Abstract: Useful ureas have the formula ##STR1##
    Type: Grant
    Filed: April 10, 1995
    Date of Patent: December 17, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Claus Marschner, Knut Kessel, Manfred Patsch
  • Patent number: 5536876
    Abstract: Fiber-reactive formazan dyes are prepared by diazotizing a protectively formylated hydroxyphenylenediamine, coupling with a hydrazone compound, metallizing, eliminating the protective group, and reacting with a halotriazine and optionally thereafter with an amine or a hydroxy compound via novel aminophenol intermediates.
    Type: Grant
    Filed: October 31, 1994
    Date of Patent: July 16, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Claus Marschner, Manfred Patsch
  • Patent number: 5516901
    Abstract: Reactive phthalocyanine dyes are prepared by reacting phthalocyaninesulfonyl chlorides with amines containing a reactive group and subjecting the resulting reaction mixture to a membrane treatment.
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: May 14, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Juergen Dornhagen, Manfred Patsch
  • Patent number: 5505743
    Abstract: Vat dyes obtainable bya) halogenation of dibenzanthrone with bromine in the presence of chlorosulfonic acid and of a halogenation catalyst to a bromine content from 26 to 32% by weight and a chlorine content from 1 to 5% by weight, andb) condensation of the isolated halogenation product with 1-aminoanthraquinone in a molar ratio from 1:2 to 1:2.5 in the presence of an inert solvent, the concentration of halogenated dibenzanthrone and 1-aminoanthraquinone together being at least 200 g/l of solventare useful for dyeing or printing cellulose-containing textile material.
    Type: Grant
    Filed: October 21, 1994
    Date of Patent: April 9, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Niedenbrueck, Manfred Patsch, Michael Schmitt
  • Patent number: 5493057
    Abstract: Chloroethylsulfonylbenzaldehydes of the formula ##STR1## where n is 1 or 2 and the ring A may be substituted with halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkysulfonyl, nitro or hydroxysulfonyl, are prepared.
    Type: Grant
    Filed: May 7, 1993
    Date of Patent: February 20, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Claus Marschner, Manfred Patsch
  • Patent number: 5491232
    Abstract: Sulfur compounds of the formula ##STR1## where n is 0 or 2,R.sup.1 and R.sup.2 are hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, halogen, nitro, amino, hydroxysulfonyl, C.sub.1 -C.sub.6 -alkoxycarbonyl or unsubstituted or substituted carbamoyl,A is methylene, carbonyl, sulfonyl or a radical of the formula CH.sub.2 --CO or CH.sub.2 --SO.sub.2,is a direct bond or unsubstituted or substituted C.sub.1 -C.sub.8 -alkylene andY is vinyl or a radical of the formula C.sub.2 H.sub.4 Q, where Q is hydroxyl or a group which can be removed under alkaline reaction conditions,and a process for their preparation are described.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: February 13, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Manfred Patsch, Ernst Schefczik
  • Patent number: 5488127
    Abstract: There are described formazan dyes of the formula ##STR1## where m and n are each 1 or 2,Kat.sup..sym. is the equivalent of a cation,Me is copper or nickel,X is oxygen or a radical of the formula CO--O or SO.sub.2 --0,Y is vinyl or a radical of the formula C.sub.2 H.sub.4 --Q, wherein Q is a group that is detachable under alkaline reaction conditions,E is a fiber-reactive radical,the rings A and B may be substituted and benzofused, andthe ring C may be substituted,the use thereof for dyeing or printing hydroxyl- or nitrogen-containing organic substrates, novel aminophenols and a process for preparing same.
    Type: Grant
    Filed: March 22, 1995
    Date of Patent: January 30, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Claus Marschner, Manfred Patsch
  • Patent number: 5488100
    Abstract: There are described formazan dyes of the formula ##STR1## where m and n are each 1 or 2,Kat.sup..sym. is the equivalent of a cation,Me is copper or nickel,X is oxygen or a radical of the formula CO--O or SO.sub.2 --O,Y is vinyl or a radical of the formula C.sub.2 H.sub.4 --Q, wherein Q is a group that is detachable under alkaline reaction conditions,E is a fiber-reactive radical,the rings A and B may be substituted and benzofused, andthe ring C may be substituted,the use thereof for dyeing or printing hydroxyl- or nitrogen-containing organic substrates, novel aminophenols and a process for preparing same.
    Type: Grant
    Filed: March 22, 1995
    Date of Patent: January 30, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Claus Marschner, Manfred Patsch
  • Patent number: 5449762
    Abstract: Reactive dyes of the formula I ##STR1## where n is 0 or 1R.sup.1, R.sup.2 and R.sup.3 are in each case hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl,R.sup.4 is fluorine, chlorine, bromine, C.sub.1 -C.sub.4 -alkylsulfonyl, phenylsulfonyl or a radical of the formula ##STR2## L is a bridge member, A is unsubstituted or substituted C.sub.2 -C.sub.8 -alkylene,Y is vinyl or a radical of the formula --CH.sub.2 --CH.sub.2 --Q, Q being a group which can be removed under alkaline reaction conditions, andD is phenyl or naphthyl, it being possible for these radicals to be substituted, and a process for preparing reactive dyes by oxidation of the abovementioned compounds are described.
    Type: Grant
    Filed: February 1, 1995
    Date of Patent: September 12, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Wiesenfeldt, Bernd Siegel, Manfred Patsch
  • Patent number: 5446193
    Abstract: There are described formazan dyes of the formula ##STR1## where m and n are each 1 or 2,Kat is the equivalent of a cation,Me is copper or nickel,X is oxygen or a radical of the formula CO-O or SO.sub.2 -O,Y is vinyl or a radical of the formula C.sub.2 H.sub.4 -Q, wherein Q is a group that is detachable under alkaline reaction conditions,E is a fiber-reactive radical,the rings A and B may be substituted and benzofused, andthe ring C may be substituted,the use thereof for dyeing or printing hydroxyl- or nitrogen-containing organic substrates, novel aminophenols and a process for preparing same.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: August 29, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Claus Marschner, Manfred Patsch
  • Patent number: 5444163
    Abstract: There is described a process for preparing reactive phthalocyanine dyes with .beta.-substituted ethylsulfonyl or vinylsulfonyl groups by reacting a phthalocyaninesulfonyl chloride with amines with .beta.-substituted ethylsulfonyl or vinylsulfonyl groups with or without further amines in the presence of a heterocyclic catalyst.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: August 22, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Juergen Dornhagen, Manfred Patsch
  • Patent number: 5428140
    Abstract: Reactive dyes of the formula ##STR1## where n is 0 or 1R.sup.1, R.sup.2 and R.sup.3 are in each case hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl,R.sup.4 is fluorine, chlorine, bromine, C.sub.1 -C.sub.4 -alkylsulfonyl, phenylsulfonyl or a radical of the formula ##STR2## L is a bridge member, A is unsubstitued or substituted C.sub.2 -C.sub.8 -alkylene,Y is vinyl or a radical of the formula --CH.sub.2 --CH.sub.2 --Q, Q being a group which can be removed under alkaline reaction conditions, andD is phenyl or naphthyl, it being possible for these radicals to be substituted,and a process for preparing reactive dyes by oxidation of the abovementioned compounds are described.
    Type: Grant
    Filed: June 6, 1994
    Date of Patent: June 27, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Wiesenfeldt, Bernd Siegel, Manfred Patsch
  • Patent number: 5424461
    Abstract: A process for preparing 1-amino-4-hydroxyanthraquinone by treating 1,4-dihydroxyanthraquinone with ammonia in an aqueous medium comprises treating with ammonia in the presence of a base and of a catalytic amount of a reducing agent at from 60.degree. to 150.degree. C. and at from 1 to 30 bar.
    Type: Grant
    Filed: December 13, 1993
    Date of Patent: June 13, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Erwin Hahn, Manfred Patsch, Heike Kilburg
  • Patent number: 5410027
    Abstract: Fiber-reactive formazan dyes are prepared by diazotizing a protectively formylated hydroxyphenylenediamine, coupling with a hydrazone compound, metallizing, eliminating the protective group, and reacting with a halotriazine and optionally thereafter with an amine or a hydroxy compound via novel aminophenol intermediates.
    Type: Grant
    Filed: June 11, 1993
    Date of Patent: April 25, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Claus Marschner, Manfred Patsch
  • Patent number: 5405993
    Abstract: There are described formazan dyes of the formula ##STR1## where n is 1 or 2,Kat.cndot. is the equivalent of a cation,Me is copper or nickel,X is a radical of the formula CO-O or SO.sub.2 -O,Y is vinyl or a radical of the formula C.sub.2 H.sub.4 -Q, where Q is a group which is detachable under alkaline reaction conditions,the ring A may be substituted and benzofused,the ring B is substituted and may be benzofused, andthe ring C may be substituted,the use thereof for dyeing or printing hydroxyl- or nitrogen-containing organic substrates, and novel hydrazones.
    Type: Grant
    Filed: August 9, 1994
    Date of Patent: April 11, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Claus Marschner, Manfred Patsch
  • Patent number: 5401846
    Abstract: There are described the preparation of 5-halo-2-(1-anthraquinonylamino)benzoic acids of the general formula I ##STR1## (X.sup.1 : Cl or Br; X.sup.2 : H, Cl or Br, identical or different when n>1; n: 1-6) by reacting 2-(1-anthraquinonylamino)benzoic acids II ##STR2## with the halogen in the presence of sulfuric acid, and the preparation of 4'-halo-2,1(N)-anthraquinonyl-1',2'(N)-benzacridones III ##STR3## by cyclizing condensation of the acids I.
    Type: Grant
    Filed: June 23, 1993
    Date of Patent: March 28, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Schmitt, Matthias Niedenbrueck, Manfred Patsch
  • Patent number: 5391719
    Abstract: A process for preparing metal aminoformazans by alkaline hydrolysis of the corresponding acylated amino derivates in aqueous medium, is described, the hydrolysis being carried out at from 120.degree. to 170.degree. C. and from 3 to 5 bar in the presence of from 1.5 to 3 mol of an alkali metal hyroxide, based on 1 mol of acylated aminoformazan.
    Type: Grant
    Filed: June 23, 1993
    Date of Patent: February 21, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Wiesenfeldt, Klaus Pandl, Manfred Patsch
  • Patent number: 5387674
    Abstract: There are described formazan dyes of the formula ##STR1## where n is 1 or 2,Kat.sup..sym. is the equivalent of a cation,Me is copper or nickel,X is a radical of the formula CO--O or SO.sub.2 --O,Y is vinyl or a radical of the formula C.sub.2 H.sub.4 --Q, where Q is a group which is detachable under alkaline reaction conditions,the ring A may be substituted and benzofused, the ring B is substituted and may be benzofused, and the ring C may be substituted, the use thereof for dyeing or printing hydroxyl- or nitrogen-containing organic substrates, and novel hydrazones.
    Type: Grant
    Filed: September 8, 1993
    Date of Patent: February 7, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Claus Marschner, Manfred Patsch
  • Patent number: 5380941
    Abstract: A process for preparing ureas of the formula ##STR1## where the ring A can be substituted and benzo-fused andn is 0 or 2,R.sup.4 and R.sup.5 are hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl,L is unsubstituted or substituted C.sub.2 -C.sub.4 -alkylene, or NR.sup.5 and L are together the radical of the formula ##STR2## and Z is hydroxyl or a radical which can be eliminated under alkaline reaction conditions,by reacting a phenylurea of the formula ##STR3## where R.sup.4 and the ring A each have the abovementioned meanings, with an amine of the formula ##STR4## where n, R.sup.5, L and Z each have the abovementioned meanings, at from 80.degree. to 180.degree. C. in the presence or absence of an inert diluent is described.
    Type: Grant
    Filed: October 1, 1993
    Date of Patent: January 10, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Siegel, Manfred Patsch