Patents by Inventor Albrecht Marhold

Albrecht Marhold 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: 5117038
    Abstract: Herbicidal substituted phenoxyphenylpropionic acid derivatives of the formula ##STR1## in which Q represents S, SO or SO.sub.2,m represents the numbers 0 or 1,R.sup.1 represents hydrogen, halogen, cyano or trifluoromethyl,R.sup.2 represents hydrogen or halogen,R.sup.3 represents halogen, cyano, trifluoromethyl, trifluoromethoxy or trifluoromethylsulphonyl,R.sup.4 represents hydrogen or halogen,R.sup.5 represents hydrogen or halogen,R.sup.6 represents hydrogen, cyano, carboxyl, alkyl optionally substituted by halogen or alkoxycarbonyl,R.sup.7 represents halogen, hydroxyl, amino, alkylamino, alkenylamino, alkynylamino, arylamino, aralkylamino, alkoxycarbonyl-alkylamino, cyanoamino, dialkylamino, dialkenylamino, alkylsulphonylamino, arylsulphonylamino, hydroxyamino, alkoxyamino, hydrazino, alkylsulphonylhydrazino, arylsulphonylhydrazino, alkylthio, arylthio, aralkylthio, alkoxycarbonylalkylthio or the grouping O--R.sup.8.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: May 26, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Haug, Albrecht Marhold, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt
  • Patent number: 5116836
    Abstract: Novel 3-aryl-pyrrolidine 2,4-dione derivatives of the formula ##STR1## having pesticidal activity.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: May 26, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Hermann Hagemann, Andreas Krebs, Albrecht Marhold, Hans-Joachim Santel, Robert R. Schmidt, Klaus Lurssen, Benedikt Becker, Wilhelm Stendel, Christoph Erdelen
  • Patent number: 5096928
    Abstract: Insecticidal substituted benzoyl(thio) ureas of the formula ##STR1## in which Q stands for oxygen or sulphur,R.sup.1 stands for hydrogen, halogen, nitro, methyl or trifluoromethyl,R.sup.2 stands for hydrogen, fluorine or chlorine,R.sup.3 stands for hydrogen, fluorine or chlorine,R.sup.4 stands for hydrogen or fluorine,R.sup.5 stands for hydrogen or halogen andn stands for the numbers 2, 3 or 4.Intermediates of the formula ##STR2## are also new.
    Type: Grant
    Filed: September 24, 1990
    Date of Patent: March 17, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Sirrenberg, Albrecht Marhold, Benedikt Becker, Wilhelm Stendel
  • Patent number: 5091537
    Abstract: A 3-aryl-pyrrolidine-2,4-dione (e) derivative of the formula (I) ##STR1## in which X represents alkyl, halogen and alkoxy,Y represents hydrogen, alkyl, halogen, alkoxy and halogenoalkyl,Z represents alkyl, halogen and alkoxy,m represents a number from 1-4,n represents a number from 0-3,R represents hydrogen, ##STR2## or A, where A represents a metal cation equivalent or represents an ammonium ion,R.sup.1 represents optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl and optionally substituted cycloalkyl which can be interrupted by hetero atoms, or represents optionally substituted phenyl, optionally substituted phenylalkyl, substituted hetaryl, substituted phenoxyalkyl and substituted hetaryloxyalkyl andR.sup.2 represents optionally halogen-substituted alkyl, cycloalkyl, alkenyl, alkoxyalkyl, polyalkoxyalkyl and optionally substituted phenyl,as well as the pure enantiomeric forms of compounds of the formula (I).
    Type: Grant
    Filed: August 8, 1990
    Date of Patent: February 25, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Hermann Hagemann, Andreas Krebs, Albrecht Marhold, Klaus Lurssen, Robert R. Schmidt, Hans-Joachim Santel, Benedikt Becker, Klaus Schaller, Wilhelm Stendel
  • Patent number: 5087747
    Abstract: Trifluoromethanesulphenyl chloride is prepared by reacting bis-(trifluoromethyl)disulfane in the liquid phase with chlorine in the presence of a strong acid.
    Type: Grant
    Filed: May 15, 1990
    Date of Patent: February 11, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dietmar Bielefeldt, Rudolf Braden, Albrecht Marhold
  • Patent number: 5082971
    Abstract: Trifluoromethylaminobenzenes containing fluorine and/or chlorine, in which the trifluoromethyl groups are situated in the 1-position, the amino groupa) is situated in the 2-position and a fluorine atom is situated in the 6-position or two fluorine atoms are situated in the 5- and 6-position or a fluorine atom is situated in the 5-position and a chlorine atom is situated in the 6-position orb) is situated in the 3-position and a fluorine atom is situated in the 2-position or two fluorine atoms are situated in the 2- and 6-position or a chlorine atom is situated in the 2-position and a fluorine atom is situated in the 6-position orc) is situated in the 4-position and a fluorine atom is situated in the 2-position and additionally a further fluorine atom is situated in the 3- or 6-position or two further fluorine atoms are situated in the 5- and 6-position or a further fluorine atom is situated in the 6-position and two chlorine atoms are situated in the 3- and 5-position or a chlorine atom is situated in the 3-p
    Type: Grant
    Filed: March 1, 1990
    Date of Patent: January 21, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventor: Albrecht Marhold
  • Patent number: 5069711
    Abstract: Herbicidal N-aryl-substituted nitrogen-containing heterocycles of the formula ##STR1## in which Het represents a heterocycle of the formula ##STR2## R.sup.1 represents hydrogen or halogen and R.sup.2 represents halogen, hydroxyl or represents a radical --Z.sup.2 --R.sup.8,whereX.sup.1 represents oxygen, represents a --CH.sub.2 -- group, represents a ##STR3## or represents a ##STR4## represents nitrogen or a CH group, Z.sup.1 represents oxygen or sulphur,Z.sup.2 represents oxygen or sulphur,R.sup.3 and R.sup.4 independently of one another in each case represent hydrogen or alkyl,R.sup.3 and R.sup.6 either independently of one another in each case represent hydrogen or alkyl or together represent a double-linked alkanediyl radical,R.sup.7 represents hydrogen, alkyl or represents optionally substituted aryl andR.sup.8 represents in each case optionally substituted alkyl, alkenyl alkinyl or cycloalkyl.
    Type: Grant
    Filed: February 1, 1991
    Date of Patent: December 3, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Uta Jensen-Korte, Franz Kunisch, Albrecht Marhold, Pieter Ooms, Otto Schallner, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang
  • Patent number: 5059711
    Abstract: Trifluoromethanesulphonic acid is prepared from bis-(trifluoromethyl) disulphane in the liquid phase and in acidic medium by means of an oxygen-containing oxidizing agent.
    Type: Grant
    Filed: March 24, 1988
    Date of Patent: October 22, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dietmar Bielefeldt, Albrecht Marhold
  • Patent number: 5059623
    Abstract: A substituted cycloalkyl- or heterocyclyl-carboxanilide of the formula (I) ##STR1## in which X stands for an unsubstituted or an alkyl-substituted cycloalkyl or an unsubstituted or an alkyl-substituted heterocyclic,Hal stands for halogen andY.sup.1, Y.sup.2 and Y.sup.3 independently of one another stand for hydrogen, halogen, an unsubstituted or a halogen-substituted alkyl, an unsubstituted or a halogen-substituted alkoxy or an unsubstituted or a halogen-substituted alkylthio. Such substituted cycloalkyl- or heterocyclyl-carboxanilides are useful as fungicides.
    Type: Grant
    Filed: April 5, 1989
    Date of Patent: October 22, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Klaus Sasse, Hermann Hagemann, Albrecht Marhold, Wilhelm Brandes
  • Patent number: 5045560
    Abstract: Insecticidal, acaricidal, herbicidal and antimycotic 3-aryl-pyrrolidine-2,4-diones of the formula ##STR1## in which X represents alkyl, halogen or alkoxy,Y represents hydrogen, alkyl, halogen, alkoxy or halogenoalkyl,Z represents alkyl, halogen or alkoxy,n represents a number from 0-3,R represents hydrogen or represents the groups --CO--R.sup.1 or --CO--O--R.sup.2, in whichR.sup.1 represents alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl or cycloalkyl which can be interrupted by hetero atoms, each of which radicals is optionally substituted by halogen, or represents optionally substituted phenyl, optionally substituted phenylalkyl, substituted hetaryl, substituted phenoxyalkyl or substituted hetaryloxyalkyl, or represents optionally substituted phenyl, optionally substituted phenylalkyl, substituted hetaryl, substituted phenoxyalkyl and substituted hetaryloxyalkyl, andR.sup.
    Type: Grant
    Filed: January 2, 1990
    Date of Patent: September 3, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Bernd Baasner, Hermann Hagemann, Andreas Krebs, Albrecht Marhold, Hans-Joachim Santel, Robert R. Schmidt, Klaus Lurssen, Benedikt Becker, Klaus Schaller, Harry Strang
  • Patent number: 5045108
    Abstract: Herbicidal and plant growth-regulating N-aryl-nitrogen heterocyclic compounds of the formula ##STR1## in which R.sup.1 represents hydrogen or halogen,R.sup.2 represents cyano, nitro, fluorine, chlorine, bromine, iodine, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio or halogeneoalkylthio,R.sup.3 represents halogen, hydroxyl or mercapto, or represents a radical, in each case optionally substituted, from the series comprising alkoxy, alkenyloxy, alkinyloxy, cycloalkoxy, alkylthio, alkenylthio, alkinylthio and cycloalkylthio,R.sup.4 represents hydrogen, halogen or alkyl,R.sup.5 represents hydrogen, halogen or alkyl, or together with R.sup.4 represents alkanediyl,R.sup.6 represents hydrogen or alkyl andR.sup.7 represents hydrogen or alkyl, or together with R.sup.6 represents alkanediyl,with certain provisos regarding R.sup.2.
    Type: Grant
    Filed: June 7, 1990
    Date of Patent: September 3, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Albrecht Marhold, Klaus Lurssen, Hans-Joachim Santel, Robert R. Schmidt, Birgit Krauskopf
  • Patent number: 5041683
    Abstract: Process for the preparation of nuclear-fluorinated trifluoromethylbenzaldehydes from nuclear-chlorinated trifluoromethylbenzaldehydes, and new nuclear-fluorinated trifluoromethylbenzaldehydes.
    Type: Grant
    Filed: April 25, 1990
    Date of Patent: August 20, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Albrecht Marhold, Rudolf Braden
  • Patent number: 5039334
    Abstract: Herbicidal and plant growth-regulating substituted N-aryl nitrogen heterocycles of the formula ##STR1## in which Het stands for ##STR2## where A stands for ##STR3## where R.sup.1 and R.sup.2 in each case independently of one another stand for hydrogen, halogen, halogenoalkyl or alkyl,Y.sup.1 and Y.sup.2 in each case stand for oxygen or sulphur andZ stands for hydrogen, hydroxyl or chlorine,R stands for alkyl, alkenyl, cycloalkyl, cycloalkenyl, cycloalylalkyl, or cycloalkenylalkyl, in each case optionally branched and in each case interrupted by at least one oxygen atom, andX stands for hydrogen or halogen.Intermediates of the formula ##STR4## are also new.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: August 13, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Otto Schallner, Reiner Fischer, Albrecht Marhold, Karl-Julius Reubke, Hans-Joachim Santel, Robert R. Schmidt, Klaus Lurssen, Harry Strang
  • Patent number: 5010094
    Abstract: Microbicidal, especially fungicidal, azolyl derivatives of the formula ##STR1## in which R.sup.1 represents halogenoalkyl or halogenoalkylthio,R.sup.2 represents hydrogen, halogen, cyano, optionally substituted alkyl, optionally substituted alkenyl, alkoxy, alkylthio, aryl or aryloxy,R.sup.3 represents hydrogen, halogen, cyano, optionally substituted alkyl, optionally substituted alkenyl, alkoxy, alkylthio, aryl or aryloxy,R.sup.4 represents hydrogen,R.sup.5 represents hydrogen or alkyl,W represents hydrogen or halogen,X represents nitrogen or a CH group,Y represents alkylene,m represents the number 0 or 1 andZ represents the grouping ##STR2## wherein R.sup.6 represents hydrogen, alkyl or optionally substituted phenyl, orR.sup.6, together with R.sup.4, represents the grouping ##STR3## R.sup.7 represents hydrogen or alkyl, R.sup.8 represents hydrogen or alkyl,R.sup.9 represents hydrogen or alkyl,R.sup.10 represents hydrogen or alkyl,R.sup.
    Type: Grant
    Filed: January 18, 1990
    Date of Patent: April 23, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerold Schade, Albrecht Marhold, Wilhelm Brandes
  • Patent number: 5006148
    Abstract: The invention relates to novel N-aryl-substituted nitrogen-containing heterocycles, several processes and novel intermediates for their preparation, and their use as herbicides and plant growth regulators.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: April 9, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Uta Jensen-Korte, Franz Kunisch, Albrecht Marhold, Pieter Ooms, Otto Schallner, Hans-Joachim Santel, Robert R. Schmidt, Birgit Krauskopf, Harry Strang
  • Patent number: 4992456
    Abstract: Fungicidal 2,5-disubstituted 1,3,4-thiadiazoles of the formula ##STR1## in which R.sup.1 represents alkyl or unsubstituted or substituted aralkyl andR.sup.2 represents in each case unsubstituted or substituted aryl or aralkyl, or represents an unsubstituted or substituted and optionally benzo-fused heterocyclic radical,excluding the compound 2,5-bis[(phenylmethyl)-sulphonyl]-1,3,4-thiadiazole.
    Type: Grant
    Filed: November 1, 1989
    Date of Patent: February 12, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Joachim Diehr, Albrecht Marhold, Wilhelm Brandes, Gerd Hanssler
  • Patent number: 4990633
    Abstract: New fluorinated bisaryloxy-substituted alkenes are prepared by reaction of substituted phenols with perhaloalkenes and can be used as electrical insulating agents.
    Type: Grant
    Filed: May 4, 1989
    Date of Patent: February 5, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Negele, Dietmar Beilefeldt, Thomas Himmler, Albrecht Marhold
  • Patent number: 4985063
    Abstract: A 3-aryl-pyrrolidine-2,4-dione (e) derivative of the formula (I) ##STR1## in which X represents alkyl, halogen and alkoxy,Y represents hydrogen, alkyl, halogen, alkoxy and halogenoalkyl,Z represents alkyl, halogen and alkoxy,m represents a number from 1-4,n represents a number from 0-3, R represents hydrogen, ##STR2## or A where A represents a metal cation equivalent or represents an ammonium ion,R.sup.1 represents optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl and optionally substituted cycloalkyl which can be interrupted by hetero atoms, or represents optionally substituted phenyl, optionally substituted phenylalkyl, substituted hetaryl, substituted phenoxyalkyl and substituted hetaryloxyalkyl andR.sup.2 represents optionally halogen-substituted alkyl, cycloalkyl, alkenyl, alkoxyalkyl, polyalkoxyalkyl and optionally substituted phenyl,as well as the pure enantiomeric forms of compounds of the formula (I).
    Type: Grant
    Filed: August 8, 1989
    Date of Patent: January 15, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Hermann Hagemann, Andreas Krebs, Albrecht Marhold, Klaus Lurssen, Robert R. Schmidt, Hans-Joachim Santel, Benedikt Becker, Klaus Schaller, Wilhelm Stendel
  • Patent number: 4970337
    Abstract: Trifluoromethanesulphonyl chloride is prepared by reacting bis-(trifluoromethyl)-disulphane with chlorine and water in the liquid phase.
    Type: Grant
    Filed: November 16, 1988
    Date of Patent: November 13, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dietmar Bielefeldt, Albrecht Marhold
  • Patent number: 4968712
    Abstract: Fungicidal 1,4-disubstituted 1-azolyl-3,3-dimethylbutane derivatives of the formula ##STR1## in which R.sup.1 represents hydrogen or halogen,R.sup.2 represents hydrogen or halogen,R.sup.3 represents hydrogen, halogen or trifluoromethoxy,R.sup.4 represents halogen, trifluoromethoxy, trifluoromethylthio, trifluoromethylsulphinyl, trifluoromethylsulphonyl, difluoromethoxy, difluorochloromethoxy, trifluorochloroethoxy, tetrafluoroethoxy, trifluoroethoxy, difluoromethylthio, trifluorochloroethylthio, tetrafuoroethylthio, difluoromethylsulphinyl, difluorochloromethylsulphinyl, trifluorochloroethylsulphinyl, tetrafluoroethylsulphinyl, difluoromethylsulphonyl, difluorochloromethylsulphonyl, trifluorochloroethylsulphonyl, tetrafluoroethylsulphonyl, difluorobromomethylthio, difluorobromomethylsulphinyl, difluorobromomethylsulphonyl or difluorochloromethylthio orR.sup.3 and R.sup.4 together represent alkylenedioxy substituted by halogen,R.sup.
    Type: Grant
    Filed: July 29, 1988
    Date of Patent: November 6, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Albrecht Marhold, Karl H. Buchel, Stefan Dutzmann, Paul Reinecke, Wilhelm Brandes, Gerhard Hanssler