Patents by Inventor Udo Mayer

Udo Mayer 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: 6242052
    Abstract: The present invention relates to triboelectrically chargeable powder coating materials to which benzimidazole-based additives are added.
    Type: Grant
    Filed: November 15, 1999
    Date of Patent: June 5, 2001
    Assignee: BASF Coatings AG
    Inventors: Christoph Hilger, Rolf Boysen, Helmut Riestenpatt, Ulrike Schlösser, Erwin Czech, Udo Mayer, Gunther-Rudolf Schröder, Benno Sens
  • Patent number: 6153734
    Abstract: Oligomeric azo dyes having an alternating construction made up of tetrazo components and coupling components, containing in the molecule at least 2 units of the structure I------[D--------K]------ (I)where D and K are as defined in the specification, are prepared and used alone or in mixtures for dyeing and printing natural or synthetic substrates.
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: November 28, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Gunter-Rudolf Schroder, Torsten Freund, Udo Mayer, Karl-Heinz Etzbach
  • Patent number: 6114512
    Abstract: Oligomeric azo dyes having an alternating construction made up of diazo components and coupling components, containing in the molecule at least 3 units of the structure I--[D--K]-- (I)where D is a tetrazo component of the formula II ##STR1## where x is a direct bond, oxygen, sulfur or a bridge member of the formula --NHCO--, --NHCONH--, --CO--, --NHSO.sub.2 --, --SO.sub.2 NHSO.sub.2 --, --SO.sub.2 --, --SO.sub.2 --NH--A--NH--SO.sub.2 --, -NAlk-CO-, -NAlk-CO-NAlk-, -NAlk-CO--NH--, -NAlk-SO.sub.2 --, --SO.sub.2 -NAlk-SO.sub.2 --, --SO.sub.2 -NAlk-A-NAlk-SO.sub.2 --, --SO.sub.2 -NAlk-A-NH--SO.sub.2 --, --CH.dbd.CH--, --CH.sub.2 CH.sub.2 --, --C(CH.sub.3).sub.2 --, --CH.sub.2 -- or --NH--,R.sup.1 and R.sup.2 are each independently of the other hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkanoyl, cyano, carboxyl, hydroxysulfonyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, hydroxyl, carbamoyl, mono- or di-(C.sub.1 -C.sub.4)-alkyl-carbamoyl, sulfamoyl, mono- or di-(C.sub.1 -C.sub.
    Type: Grant
    Filed: September 17, 1999
    Date of Patent: September 5, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Gunter-Rudolf Schroder, Torsten Freund, Udo Mayer, Karl-Heinz Etzbach
  • Patent number: 6048969
    Abstract: Cationic sulfonic acid dyes of the formula I ##STR1## where the variables are as defined in the specification, are useful for the dyeing or printing of polymeric material.
    Type: Grant
    Filed: April 6, 1999
    Date of Patent: April 11, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Gunter-Rudolf Schroder, Udo Mayer, Rainer Tresch
  • Patent number: 5827332
    Abstract: Azo dyes of the formula ##STR1## where the ring A may be benzofused,n is 0 or 1, and R.sup.1 -R.sup.8 are as defined,as pH-dependent markers for hydrocarbons, hydrocarbons containing the above-mentioned azo dyes, and a method for detecting these azo dyes in hydrocarbons.
    Type: Grant
    Filed: June 6, 1996
    Date of Patent: October 27, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Georg Zeidler, Gerhard Scholz, Claudia Krah, Karin Heidrun Beck, Udo Mayer
  • Patent number: 5792879
    Abstract: A process for preparing di- or triarylmethane dyes by oxidation of di- or triarylmethanes in the presence of a diluent and of an oxygen transfer catalyst that contains a complexed heavy metal ion comprises using as oxidizing agent hydrogen peroxide, a hydrogen peroxide donor compound, an organic hydroperoxide or a percarboxylic acid and as the oxygen transfer catalyst a member of the class of the porphyrins, tetraaza?14!annulenes, phthalocyanines or tetraazacyclotetradecanes.
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: August 11, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Gessner, Udo Mayer
  • Patent number: 5750661
    Abstract: Dyes of the formula ##STR1## where the ring A may be benzofused and R.sup.1 -R.sup.6 have the meaning defined in the specification, with the proviso that at least one quaternizable or quaternary group is present in the molecule; use of said dyes for dyeing or printing polymeric material, and novel amides of J-acid.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: May 12, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulrike Schloesser, Udo Mayer
  • Patent number: 5750742
    Abstract: Triarylmethanes of the formula ##STR1## where m is from 1 to 100,L.sup.1 and L.sup.2 are each C.sub.2 -C.sub.4 -alkylene,R.sup.1 and R.sup.2 are each hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or halogen,R.sup.3 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl,R.sup.4, R.sup.5,R.sup.6 and R.sup.7 are each hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl, or substituted or unsubstituted phenyl,Q is aryl, andAn.sup..crclbar. is the equivalent of an anion,are useful for dyeing or printing polymeric material.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: May 12, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Gunter-Rudolf Schroder, Udo Mayer, Ulf Baus, Johannes Peter Dix
  • Patent number: 5659053
    Abstract: A process for preparing di- or triarylmethane dyes by oxidation of di- or triarylmethanes in the presence of a diluent and of an oxygen transfer catalyst that contains a complexed heavy metal ion comprises using as oxidizing agent hydrogen peroxide, a hydrogen peroxide donor compound, an organic hydroperoxide or a percarboxylic acid and as the oxygen transfer catalyst a member of the class of the porphyrins, tetraaza[14]annulenes, phthalocyanines or tetraazacyclotetradecanes.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: August 19, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Gessner, Udo Mayer
  • Patent number: 5571898
    Abstract: There are described dyes of the formula ##STR1## where the ring A may be benzofused, R.sup.1 is substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, substituted or unsubstituted phenyl, C.sub.1 -C.sub.8 -alkanoyl, substituted or unsubstituted benzoyl, substituted C.sub.2 -C.sub.4 -alkanoyl, or substituted diaminotriazinyl,R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl or R.sup.1 and R.sup.2 together with the nitrogen atom joining them together are a heterocyclic radical,R.sup.3 and R.sup.4 are each substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, substituted or unsubstituted C.sub.5 -C.sub.7 -cycloalkyl or substituted or unsubstituted piperidinyl and R.sup.3 may also be hydrogen,R.sup.5 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.2 -C.sub.5 -alkanoylamino, halogen, nitro, cyano, substituted or unsubstituted phenylazo, C.sub.2 -C.sub.4 -alkanoylamino substituted by a quaternizable or quaternary group, or C.sub.2 -C.sub.4 -alkoxy, C.sub.2 -C.sub.4 -alkoxycarbonyl or C.sub.2 -C.
    Type: Grant
    Filed: July 11, 1995
    Date of Patent: November 5, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulrike Schloesser, Udo Mayer
  • Patent number: 5496378
    Abstract: Basic dyes of the formula ##STR1## where n is from 1 to 3,CuPc is a copper phthalocyanine radical,R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.2 is C.sub.1 -C.sub.4 -alkyl,R.sup.3 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.4 is C.sub.1 -C.sub.4 -alkyl andAn.sup..crclbar. is the equivalent of an anion,with the proviso that R.sup.1 and R.sup.3 are not both hydrogen, are useful for dyeing or printing polymeric material.
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: March 5, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Heidi Hengelsberg, Manfred Ruske, Udo Mayer
  • Patent number: 5478940
    Abstract: Benzimidazoles of the formula ##STR1## where n and q are each 1 or 2, the radicals R are each hydrogen, chlorine or methyl,L is a bridge member and An.sup..crclbar. is one equivalent of an anion, are used as charge stabilizers in electrostatic toners.
    Type: Grant
    Filed: November 17, 1994
    Date of Patent: December 26, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Gunter-Rudolf Schroeder, Udo Mayer, Karin H. Beck, Rainer Dyllick-Brenzinger
  • Patent number: 5478948
    Abstract: Benzimidazoles of the formula ##STR1## where n and q independently of one another are each 1 or 2, R.sup.1 is hydrogen, chlorine or methyl, R.sup.2 is hydrogen, unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl, halogen, nitro or C.sub.1 -C.sub.4 -alkanoyl, L is C.sub.2 -C.sub.6 -alkylene and An.sup.$ is one equivalent of an anion, are used as charge stabilizers in electrostatic toners.
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: December 26, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Gunter-Rudolf Schroeder, Udo Mayer
  • Patent number: 5470959
    Type: Grant
    Filed: January 24, 1994
    Date of Patent: November 28, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Gunther Lamm, Udo Mayer, Helmut Reichelt, Georg Zeidler
  • Patent number: 5424404
    Abstract: Biscationic azo dyes useful for dyeing or printing polymeric material have the formula ##STR1## where R.sup.1 is hydrogen or unsubstituted or phenyl-substituted C.sub.1 -C.sub.5 -alkyl,R.sup.2 is hydrogen or C.sub.1 -C.sub.5 -alkyl,R.sup.3 and R.sup.4 are independently of each other hydrogen or methyl,D is the radical of a diazo component, unsubstituted or substituted phenylene or a radical of the formula ##STR2## where Z is a bridge member, Y is hydrogen, C.sub.1 -C.sub.18 -alkyl, C.sub.2 -C.sub.6 -alkylene, xylidene or phenylene,An.sup..crclbar.
    Type: Grant
    Filed: June 11, 1993
    Date of Patent: June 13, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Manfred Ruske, Udo Mayer
  • Patent number: 5410053
    Abstract: There are described rhodamine derivatives of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl, or R.sup.2 is paired off with R.sup.5 or R.sup.4 with R.sup.6 to form 1,3-propylene, which can be substituted,R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are each hydrogen or methyl,R.sup.9 is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl or a radical of the formula (C.sub.2 H.sub.4 O--).sub.n H, where n is 2 or 3, andAn.sup..crclbar. is the equivalent of an anion derived from an addition or condensation polymer that contains acid groups, novel cyclic rhodamine dyes, and the use of the novel rhodamine derivatives and cyclic rhodamine dyes for dyeing polyacrylonitrile fibers, for incorporation into polymers or for preparing inks.
    Type: Grant
    Filed: March 16, 1994
    Date of Patent: April 25, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Erwin Hahn, Claudia Kraeh, Udo Mayer, Bernhard Albert, Walter Denzinger
  • Patent number: 5378818
    Abstract: There are described azo dyes of the formula ##STR1## where in case a)m is 1,n is 0,Y is hydroxyl, andL is C.sub.1 -C.sub.6 -alkylene, orin case b)m is 0 or 1,n is 1,X is hydrogen,Y is imino, andL is 1,4-piperazinediyl when m is 0 orC.sub.2 -C.sub.6 -alkylene or phenylene when m is 1,the use thereof for dyeing or printing paper stock, and dye mixtures comprising the dyes.
    Type: Grant
    Filed: November 29, 1993
    Date of Patent: January 3, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Udo Mayer, Hans-Juergen Degen
  • Patent number: 5354904
    Abstract: The sulfonamides have the formula ##STR1## where R.sup.1 is C.sub.1 -C.sub.13 -lkyl, substituted or unsubstituted phenyl, C.sub.1 -C.sub.8 -alkanoyl or substituted or unsubstituted benzoyl, andR.sup.2 and R.sup.3 are each independently of one another substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, substituted or unsubstituted C.sub.5 -C.sub.7 -cycloalkyl or substituted or unsubstituted piperidinyt, or R.sup.2 may also be hydrogen.
    Type: Grant
    Filed: October 8, 1992
    Date of Patent: October 11, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Udo Mayer, Ulrike Schloesser
  • Patent number: 5347022
    Abstract: A process for preparing di- or triarylmethane dyes by oxidation of di- or triarylmethanes in the presence of a diluent and of an oxygen transfer catalyst that contains a complexed heavy metal ion or of a catalyst based on molybdenic acid and vanadium compounds comprises using as oxidizing agent peroxomonosulfuric acid or a salt thereof.
    Type: Grant
    Filed: March 29, 1993
    Date of Patent: September 13, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Gessner, Udo Mayer
  • Patent number: 5338639
    Abstract: Electrostatic toners contain a polymeric binder and, as a charge stabilizer, a compound of the formula ##STR1## where Z is C.sub.1 -C.sub.20 -alkyl which is unsubstituted or substituted by phenyl or Z is C.sub.5 -C.sub.7 -cycloalkyl or unsubstituted or substituted phenyl, X and Y are each cyano or a radical of the formula --CO--OR.sup.1, --CO--NR.sup.1 R.sup.2 or --C--R.sup.3, where R.sup.2 is C.sub.1 -C.sub.20 -alkyl which is unsubstituted or substituted by phenyl or R.sup.1 is C.sub.5 -C.sub.7 -cycloalkyl, R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl and R.sup.3 is C.sub.1 -C.sub.20 -alkyl which is unsubstituted or substituted by phenyl or R.sup.3 is C.sub.5 -C.sub.7 -cycloalkyl or unsubstituted or substituted phenyl, or X and Y together form a radical of the formula --CO--L--CO-- or --CO--CH.dbd.C(CH.sub.3)--O--CO--, where L is C.sub.2 -C.sub.4 -alkylene, and cat.sup..sym. is one equivalent of a cation.
    Type: Grant
    Filed: July 20, 1993
    Date of Patent: August 16, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Gunter-Rudolf Schroeder, Udo Mayer