Patents by Inventor Bernd Wenderoth

Bernd Wenderoth 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: 5726266
    Abstract: Copolymers comprisea) from 1 to 65 mol % of at least one diketene of the general formula I ##STR1## where R.sup.1 and R.sup.2, independently of one another, are each hydrogen or C.sub.1 -C.sub.30 -alkyl,b) from 30 to 70 mol % of at least one ethylenically unsaturated dicarboxylic acid or one dicarboxylic acid derivative,c) from 0.5 to 60 mol % of at least one ethylenically unsaturated hydrocarbon andd) up to 20 mol % of at least one further ethylenically unsaturated monomer,modified copolymers are obtainable by reacting these copolymers with NH-, SH- and/or OH-functional compounds, and the unmodified or modified copolymers are used as additives for mineral oil middle distillates.
    Type: Grant
    Filed: September 24, 1996
    Date of Patent: March 10, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Faul, Joachim Roser, Heinrich Hartmann, Gabriele Dralle-Voss, Knut Oppenlander, Bernd Wenderoth
  • Patent number: 5684108
    Abstract: An ethylene-based copolymer which is suitable as a flow improver for mineral oil middle distillates and is composed ofa) from 50 to 94% by weight of ethylene;b) from 3 to 30% by weight of one or more vinyl esters of C.sub.2 -C.sub.6 -monocarboxylic acids;c) from 3 to 20% by weight of one or more aminoalkyl acrylates of the formula I ##STR1## which R.sup.1 is hydrogen or methyl, R.sup.2 and R.sup.3 are identical or different and are each hydrogen or C.sub.1 -C.sub.6 -alkyl and A.sup.1 is straight-chain or branched C.sub.2 -C.sub.10 -alkylene; andd) from 0 to 10% by weight of one or more monomers which are copolymerizable with the monomers a) to c), wherein copolymers containing vinyl acetate as monomer b) and having a number average molecular weight of from 5,000 to 50,000 are excluded from the scope of the copolymer.
    Type: Grant
    Filed: April 2, 1996
    Date of Patent: November 4, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Joachim Muller, Bernd Wenderoth, Albin Berger, Dieter Littmann, Roger Klimesch, Knut Oppenlander, Bernd Lothar Marczinke, Thomas Ruhl, Marc Heider
  • Patent number: 5663435
    Abstract: Reaction products of amino-alkylenecarboxylic acids with polyoxyalkylene compounds are used as paraffin dispersants for mineral oil middle distillates.
    Type: Grant
    Filed: November 29, 1995
    Date of Patent: September 2, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Gabriele Dralle-Voss, Knut Oppenlander, Klaus Barthold, Bernd Wenderoth, Wolfgang Kasel
  • Patent number: 5554578
    Abstract: Oxime ether derivatives of the formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or alkyl, Het is pyridyl, quinolyl, pyrimidinyl, pyrazinyl, pyridazinyl, thienyl, quinoxalinyl, isoxazolyl, benzoxazolyl or benzothiazolyl bedeutet, the heterocyclic ring system being unsubstituted or substituted, and X is oxygen or sulfur, their plant-tolerated acid addition salts, metal complexes and N-oxides, and fungicides containing these compounds.
    Type: Grant
    Filed: August 8, 1995
    Date of Patent: September 10, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Siegbert Brand, Franz Schuetz, Thomas Kuekenhoehner, Franz Roehl, Eberhard Ammermann, Gisela Lorenz
  • Patent number: 5468717
    Abstract: Oxime ether derivatives of the formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or alkyl, Het is quinolyl, unsubstituted or substituted, and X is oxygen or sulfur, their plant-tolerated acid addition salts, metal complexes and N-oxides, and fungicides containing these compounds.
    Type: Grant
    Filed: May 4, 1994
    Date of Patent: November 21, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Siegbert Brand, Franz Schuetz, Thomas Kuekenhoehner, Franz Roehl, Eberhard Ammermann, Gisela Lorenz
  • Patent number: 5376155
    Abstract: Mineral oil middle distillate compositions based on hydrocarbon mixtures whose boiling range begins at above 160.degree. C. and ends at below 420.degree. C. contain, as paraffin dispersants, reaction products of aminoalkylenecarboxylic acids with primary or secondary long-chain amines.
    Type: Grant
    Filed: November 4, 1993
    Date of Patent: December 27, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Gabriele Dralle-Voss, Knut Oppenlaender, Klaus Barthold, Bernd Wenderoth, Wolfgang Kasel
  • Patent number: 5334577
    Abstract: Oxime ether derivatives of the formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or alkyl, Het is pyridyl, quinolyl, pyrimidinyl, pyrazinyl, pyridazinyl, thienyl, quinoxalinyl, isoxazolyl, benzoxazolyl or benzothiazolyl, the heterocyclic ring system being unsubstituted or substituted, and X is oxygen or sulfur, their plant-tolerated acid addition salts, metal complexes and N-oxides, and fungicides containing these compounds.
    Type: Grant
    Filed: December 4, 1990
    Date of Patent: August 2, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Siegbert Brand, Franz Schuetz, Thomas Kuekenhoehner, Franz Roehl, Eberhard Ammermann, Gisela Lorenz
  • Patent number: 5320833
    Abstract: Arylpolyenecarboxylic acids and their derivatives of the formula I ##STR1## where Ar is phenyl, biphenylyl or naphthyl, each of which can be substituted by one to three C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, hydroxyl or phenoxy groups, or amino groups which can be mono- or di-substituted by C.sub.1 -C.sub.4 -alkyl groups, or one methylenedioxy group, it being possible for the substituents to be identical or different,R.sup.1 is hydrogen, an alkali metal or ammonium cation, C.sub.1 -C.sub.20 -alkyl or C.sub.2 -C.sub.20 -alkenyl,R.sup.2 is C.sub.1 -C.sub.8 -alkyl,R.sup.3 to R.sup.7 are each hydrogen or C.sub.1 -C.sub.4 -alkyl, andn is 0 or 1are used as sunscreen agents in cosmetic preparations.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: June 14, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Gabriele Deckers, Rainer Becker, Bernd Wenderoth, Norbert Goetz, Karin Sperling-Vietmeier
  • Patent number: 5206266
    Abstract: Substituted oxime ethers of the general formula ##STR1## where R.sup.1 is alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, alkoxyalkyl, cycloalkyl, cycloalkylalkyl, cyanoalkyl, alkoxycarbonylalkyl, arylalkyl, heteroarylalkyl, arylalkenyl or aryloxyalkyl, the aromatic or heteroaromatic ring being substituted or unsubstituted,R.sup.2 and R.sup.3 are hydrogen, alkyl, haloalkyl, alkoxy, haloalkoxy, halogen, cyano or nitro,R.sup.4 is hydrogen, alkyl or aryl, the aromatic ring being substituted or unsubstituted, andX is CH or N, and fungicides containing these compounds.
    Type: Grant
    Filed: May 21, 1992
    Date of Patent: April 27, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Schuetz, Hubert Sauter, Albrecht Harreus, Wolfgang Rohr, Michael Hepp, Siegbert Brand, Bernd Wenderoth, Gisela Lorenz, Eberhard Ammermann
  • Patent number: 5187170
    Abstract: Thiocarboxylic esters of the formula I ##STR1## where the substituents have the following meanings: X is oxygen, sulfur, oxymethylene, methyleneoxy, thiomethylene, methylenethio, ethylene, ethenylene or ethynylene,Y,Z are each sulfur or oxygen, but Y and Z are not simultaneously oxygen,R is alkyl, mononuclear, dinuclear or trinuclear aryl or hetaryl, where aryl and hetaryl may be substituted,and fungicidal agents containing these compounds.
    Type: Grant
    Filed: February 4, 1992
    Date of Patent: February 16, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Wingert, Hubert Sauter, Siegbert Brand, Bernd Wenderoth, Gisela Lorenz, Eberhard Ammermann
  • Patent number: 5178641
    Abstract: Crude oil middle distillates with improved cold flow properties, containing small amounts ofA. conventional flow improver on an ethylene base, andB. copolymers which consist of 10 to 95 mol-% of one or more acrylacrylates or alkylmethacrylates with C.sub.1 - to C.sub.26 -alkyl chains, and of 5 to 90 mol-% of one or more ethylenically unsaturated dicarboxylic acids or their anhydrides, where the copolymer is reacted to a large extent with one or several primary or secondary amines into the monoamide or amide/ammonia salt of dicarboxylic acid, and the quantitative proportion of A to B is from 40 to 60 up to 95 to 5.
    Type: Grant
    Filed: November 13, 1991
    Date of Patent: January 12, 1993
    Assignee: BASF Corporation
    Inventors: Gerd Konrad, Bernd Wenderoth, Klaus Barthold, Erich Schwartz, Hans-Juergen Raubenheimer, Heinrich Hartmann
  • Patent number: 5166399
    Abstract: Substituted oxime ethers of the general formula ##STR1## where R.sup.1 is alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, alkoxyalkyl, cycloalkyl, cycloalkylalkyl, cyanoalkyl, alkoxycarbonylalkyl, arylalkyl, heteroarylalkyl, arylalkenyl or aryloxyalkyl, the aromatic or heteroaromatic ring being substituted or unsubstituted, R.sup.2 and R.sup.3 are hydrogen, alkyl, haloalkyl, alkoxy, haloalkoxy, halogen, cyano or nitro, R.sup.4 is hydrogen, alkyl or aryl, the aromatic ring being substituted or unsubstituted, and X is CH or N, and fungicides containing these compounds.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: November 24, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Schuetz, Hubert Sauter, Albrecht Harreus, Wolfgang Rohr, Michael Hepp, Siegbert Brand, Bernd Wenderoth, Gisela Horenz, Eberhard Ammermann
  • Patent number: 5145980
    Abstract: Oxime ethers of the formula ##STR1## where X (m=1 to 5) denotes identical or different substituents selected from halogen, cyano, nitro, alkyl, cycloalkyl, alkenyl, alkoxy, haloalkyl, haloalkoxy, substituted or unsubstituted phenyl, substituted or unsubstituted phenoxy, substituted or unsubstituted benzyl or a substituted or unsubstituted fused aromatic ring, with the exception of several known compounds, and fungicides containing these novel compounds.
    Type: Grant
    Filed: April 16, 1990
    Date of Patent: September 8, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Hubert Sauter, Horst Wingert, Michael Hepp, Siegbert Brand, Thomas Kuekenhoehner, Franz Roehl, Eberhard Ammermann, Gisela Lorenz
  • Patent number: 5118710
    Abstract: Acrylic esters of the formula ##STR1## where R.sup.1 and R.sup.2 are hydrogen or alkyl, X is S, SO or SO.sub.2, R.sup.3 is phenyl, naphthyl or phenanthrenyl, these radicals being unsubstituted or substituted, with the exception of compounds in which R.sup.3 is phenyl, 3-chlorophenyl, 4-chlorophenyl, 2,4-dichlorophenyl or methylphenyl, and fungicides containing these compounds.
    Type: Grant
    Filed: December 31, 1990
    Date of Patent: June 2, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Wingert, Hubert Sauter, Franz Schuetz, Bernd Wenderoth, Siegbert Brand, Bernd Mueller, Franz Roehl, Gisela Lorenz, Eberhard Ammermann
  • Patent number: 5116866
    Abstract: Aniline derivatives of the formula ##STR1## where R is hydrogen, halogen, cyano, nitro, alkyl, cycloalkyl, alkenyl, alkoxy, haloalkyl, haloalkoxy, or substituted or unsubstituted phenyl, phenoxy, benzyl or benzyloxy,m is an integer from 1 to 5 or the group ##STR2## .alpha.-naphthyl or .beta.-naphthyl and X is hydrogen, alkyl or cycloalkyl,their plant-tolerated acid addition salts and metal complexes, and their use for combating fungi.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: May 26, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Franz Schuetz, Hubert Sauter, Franz Roehl, Eberhard Ammermann, Gisela Lorenz
  • Patent number: 5112862
    Abstract: 3-Methoximinopropionic esters of the formula ##STR1## where the radicals R (m=1 to 5) are each hydrogen, halogen, cyano, nitro, alkyl, cycloalkyl, alkenyl, alkoxy, haloalkyl, haloalkoxy, unsubstituted or substituted phenyl, unsubstituted or substituted phenoxy, unsubstituted or substituted benzyl or unsubstituted or substituted benzyloxy, or the group ##STR2## is naphthyl, and X is methyleneoxy, oxymethylene, ethylene, ethenylene, thiomethylene or oxygen, and fungicides containing these compounds.
    Type: Grant
    Filed: July 2, 1990
    Date of Patent: May 12, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Hubert Sauter, Franz Roehl, Eberhard Ammermann, Gisela Lorenz
  • Patent number: 5112860
    Abstract: Thiocarboxylic esters of the formula I ##STR1## where the substituents have the following meanings: X is oxygen, sulfur, oxymethylene, methyleneoxy, thiomethylene, methylenethio, ethylene, ethenylene or ethynylene,Y, Z are each sulfur or oxygen, but Y and Z are not simultaneously oxygen,R is alkyl, mononuclear, dinuclear or trinuclear aryl or hetaryl, where aryl and hetaryl may be substituted,and fungicidal agents containing these compounds.
    Type: Grant
    Filed: November 2, 1990
    Date of Patent: May 12, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Wingert, Hubert Sauter, Siegbert Brand, Bernd Wenderoth, Gisela Lorenz, Eberhard Ammermann
  • Patent number: 5089528
    Abstract: Oxime ether derivatives of the formula ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or alkyl, X is S, SO or SO.sub.2, R.sup.3 is hydrogen, cycloalkyl, phenyl, naphthyl, quinolinyl or phenanthrenyl, these radicals being unsubstituted or substituted, Y is alkylene, alkenylene or alkynylene, and m is 0 or 1.
    Type: Grant
    Filed: November 15, 1989
    Date of Patent: February 18, 1992
    Assignee: Basf Aktiengesellschaft
    Inventors: Horst Wingert, Siegbert Brand, Bernd Wenderoth, Franz Schuetz, Hubert Sauter, Franz Roehl, Gisela Lorenz, Eberhard Ammermann
  • Patent number: 5057537
    Abstract: Ortho-substituted 1-napthyl ethers of the formula ##STR1## where X is CH or N, Y is saturated or unsaturated alkylene and R is aryl, aryloxy, arylthio or arylalkoxy, the aromatic ring being substituted or unsubstituted, and fungicides containing these compounds.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: October 15, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Hubert Sauter, Albrecht Harreus, Franz Roehl, Eberhard Ammermann, Gisela Lorenz
  • Patent number: RE33989
    Abstract: Oxime ethers of the formula ##STR1## where R.sup.1 and R.sup.2 are hydrogen or alkyl, X(m=1 to 5) is halogen, cyano, trifluoromethyl, nitro, allyl, alkoxy, unsubstituted or substituted phenyl, unsubstituted or substituted phenoxy, unsubstituted or substituted benzyloxy or hydrogen, and Y is methyleneoxy, oxymethylene, ethylene, ethynylene or oxygen, and fungicides containing these compounds.
    Type: Grant
    Filed: June 11, 1990
    Date of Patent: July 7, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Timm Anke, Costi Rentzes, Eberhard Ammermann, Ernst-Heinrich Pommer, Wolfgang Steglich