Patents by Inventor Wolfgang Behrenz

Wolfgang Behrenz 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: 5008261
    Abstract: It has been found that the substituted .alpha.,.omega.-amino-alcohol derivatives, some of which are known, of the formula I ##STR1## in which X represents hydrogen, COR.sup.11, COOR.sup.12 or R.sup.13,R.sup.1 represents optionally substituted alkyl, alkenyl or alkinyl radicalsR.sup.2, R.sup.11, R.sup.12 and R.sup.13 are identical or different and represent optionally substituted alkyl or alkenyl radicals,R.sup.3 to R.sup.10 are identical or different and represent hydrogen, or represent optionally substituted alkyl radicals,and whereinR.sup.2 and R.sup.3 or R.sup.3 and R.sup.7 or R.sup.3 and R.sup.5 or R.sup.5 and R.sup.7, together with the atoms to which they are bonded, can also form an optionally substituted monocyclic ring, andn and m are identical or different and denote 0 or 1,with the proviso that X does not represent hydrogen or R.sup.13 if n and m represent 0,have a powerful insect- and mite-repelling action (repellent action).
    Type: Grant
    Filed: October 18, 1989
    Date of Patent: April 16, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Klaus Sasse, Franz-Peter Hoever, Gunther Nentwig, Wolfgang Behrenz
  • Patent number: 4968851
    Abstract: A method of combating arthropods and nematodes which comprises applying thereto, to a habitat thereof or to an area from which they are to be excluded an arthropodicidally or nematocidally effective amount of at least one long-chain halogenoolefine of the formula (I) ##STR1## in which R represents a straight-chain or branched alkyl radical with 8 to 25 carbon atoms in the straight chain, the alkyl radical optionally being interrupted once or several times by a --C.tbd.C-- and/or ##STR2## in which Z and Z.sup.1 are identical or different and represent hydrogen or methyl andR.sup.1 represents hydrogen, alkyl or halogen.Those compounds are new wherein R has at least 12 carbon atoms in the straight chain.
    Type: Grant
    Filed: February 24, 1989
    Date of Patent: November 6, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Naumann, Benedikt Becker, Wolfgang Behrenz, Bernhard Homeyer, Wilhelm Stendel
  • Patent number: 4965286
    Abstract: A insect and mite repellent composition in which the active ingredient is an acylated .alpha.-amine acid ester derivative of the formula ##STR1## in which R.sup.1 stands for hydrogen or for an optionally substituted alkyl, alkenyl or alkinyl radical,R.sup.2 and R.sup.5 are identical or different and stand for optically substituted alkyl, alkenyl or alkinyl radicals andR.sup.3 and R.sup.4 stand for hydrogen or optionally substituted alkyl, aralkyl or aryl, or together with the atom to which they are bonded form an optionally substituted, monocyclic ring.
    Type: Grant
    Filed: May 24, 1989
    Date of Patent: October 23, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd W. Kruger, Klaus Sasse, Winfried Lunkenheimer, Franz P. Hoever, Gunther Nentwig, Wolfgang Behrenz
  • Patent number: 4946850
    Abstract: Repelling insects and mites with acylated .alpha.,.omega., aminoalcohol derivatives of the formula ##STR1## in which X represents hydrogen, COR.sup.11, COOR.sup.12 or R.sup.13,R.sup.1 represents optionally subsituted alkyl or alkenyl radicals,R.sup.2, R.sup.11, R.sup.12 and R.sup.13 are identical or different and represent optionally substituted alkyl or alkenyl radicals,R.sup.3 to R.sup.10 are identical or different and represent hydrogen, or represent optionally substituted alkyl radicals,and whereinR.sup.2 and R.sup.3, together with the atoms to which they are bonded, can also form an optionally subsituted monocyclic ring, andn and m are identical or different and denote 0 or 1,with the proviso that X does not represent hydrogen or R.sup.13 if n and m represent 0.Those compounds wherein R.sup.2 and R.sup.3 together are --(CH.sub.2).sub.4 -- and R.sup.1 is C.sub.2 -C.sub.6 -alkyl or C.sub.3 -C.sub.6 -alkenyl are new.
    Type: Grant
    Filed: June 28, 1989
    Date of Patent: August 7, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Klaus Sasse, Franz-Peter Hoever, Gunther Nentwig, Wolfgang Behrenz
  • Patent number: 4945165
    Abstract: A 5-aminopyrazole of the formula (I) ##STR1## in which R.sup.2 represents CF.sub.3 or CCL.sub.2 F,R.sup.3 represents hydrogen or CH.sub.3and n represents the number 0 or 1.The 5-aminopyrazole of formula (I) is effective in combating insects, sense animals and nematodes.
    Type: Grant
    Filed: July 21, 1989
    Date of Patent: July 31, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uta Jensen-Korte, Reinhold Gehring, Otto Schallner, Jorg Stetter, Heinz-Jurgen Wroblowsky, Benedikt Becker, Bernhard Homeyer, Wolfgang Behrenz, Wilhelm Stendel, Peter Andrews
  • Patent number: 4940698
    Abstract: Insecticidal O-(6-methyl-2-alkyl-pyrimidin-4-yl) O-alkyl thionoalkanephosphonates of the formula ##STR1## in which R stands for methyl or ethyl,R.sup.1 stands for methyl or ethyl andR.sup.2 stands for isopropyl or tert-butyl.
    Type: Grant
    Filed: August 26, 1988
    Date of Patent: July 10, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Fritz Maurer, Bernhard Homeyer, Wolfgang Behrenz
  • Patent number: 4931461
    Abstract: Pesticidal substituted 5-methylamino-1-arylpyrazoles of the formula ##STR1## in which R.sup.1 represents alkyl, andR.sup.2 represents halogenoalkyl.
    Type: Grant
    Filed: June 6, 1988
    Date of Patent: June 5, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uta Jensen-Korte, Otto Schallner, Jorg Stetter, Benedikt Becker, Wolfgang Behrenz, Wilhelm Stendel, Peter Andrews
  • Patent number: 4908377
    Abstract: Pesticidal 5-ethylamino-1-arylpyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen or alkyl,R.sup.2 represents halogenoalkyl andn represents a number 0, 1 or 2, with the proviso that if R.sup.1 represents hydrogen, R.sup.2 is not dichlorofluoromethyl and n is not 0.These compounds are not only active against plant, hygiene and stored product pests, but also, in the veterinary medicine sector, against animal parasites, such as scaly ticks, argasidae, scab mites, trombidae, flies (stinging and sucking), parasitic fly larvae, lice, hair lice, bird lice and fleas.
    Type: Grant
    Filed: June 2, 1988
    Date of Patent: March 13, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uta Jensen-Korte, Otto Schallner, Jorg Stetter, Peter Andrews, Benedikt Becker, Bernhard Homeyer, Wilhelm Stendel, Wolfgang Behrenz
  • Patent number: 4900834
    Abstract: It has been found that the substituted .alpha.,.omega.-amino-alcohol derivatives, some of which are known, of the formula I ##STR1## in which X represents hydrogen, COR.sup.11, COOR.sup.12 or R.sup.13,R.sup.1 represents optionally substituted alkyl, alkenyl or alkinyl radicalsR.sup.2, R.sup.11, R.sup.12 and R.sup.13 are identical or different and represent optionally substituted alkyl or alkenyl radicals,R.sup.3 to R.sup.10 are identical or different and represent hydrogen, or represent optionally substituted alkyl radicals,and whereinR.sup.2 and R.sup.3 or R.sup.3 and R.sup.7 or R.sup.3 and R.sup.5 or R.sup.5 and R.sup.7, together with the atoms to which they are bonded, can also form an optionally substituted monocyclic ring, andn and m are identical or different and denote 0 or 1,with the proviso that X does not represent hydrogen or R.sup.13 if n and m represent 0,have a powerful insect- and mite-repelling action (repellent action).
    Type: Grant
    Filed: April 20, 1988
    Date of Patent: February 13, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Klaus Sasse, Franz-Peter Hoever, Gunther Nentwig, Wolfgang Behrenz
  • Patent number: 4889872
    Abstract: The novel compound 2,3,5,6-Tetrafluorobenzyl (+)1R-trans-2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropanecarboxylate of the formula ##STR1## is highly active insecticidally.
    Type: Grant
    Filed: February 11, 1988
    Date of Patent: December 26, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Naumann, Wolfgang Behrenz
  • Patent number: 4882321
    Abstract: Arthropodicidally active O-(6-alkoxy-2-tert-butylpyrimidin-4-yl)-O-methyl-thionoethanephosphonic acid diesters of the formula ##STR1## in which R represents alkyl with 1 to 4 carbon atoms or cycloalkyl with 3 or 4 carbon atoms. The intermediate where R is replaced by H is also new.
    Type: Grant
    Filed: February 5, 1988
    Date of Patent: November 21, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Fritz Maurer, Herbert Sommer, Wolfgang Behrenz, Bernhard Homeyer, Wilhelm Stendel
  • Patent number: 4868198
    Abstract: Arthropodically active 3-halogenoalkyl-1-arylpyrzoles of the formula ##STR1## in which R.sup.1 represents halogenoalkyl,R.sup.2 represents cyano, or represents hydroxycarbonyl, or represents carbamoyl or thiocarbamoyl, or represents alkoxycarbonyl, N-alkylcarbamoyl or N,N-dialkylcarbamoyl, or represents alkenyloxycarbonyl, N-alkenylcarbamoyl or N,N-dialkenylcarbamoyl, or represents alkinyloxycarbonyl, N-alkinylcarbamoyl, N,N-dialkinylcarbamoyl or N-arylcarbamoyl, or represents alkylcarbonyl, halogenoalkycarbonyl or cycloalkylcarbonyl,R.sup.3 represents hydrogen, alkyl, halogenoalkyl or cycloalkyl andAr represents substituted phenyl, with the exception of the 2,4-dinitrophenyl radical.
    Type: Grant
    Filed: April 4, 1988
    Date of Patent: September 19, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Pieter Ooms, Alexander Klausener, Bernd Baasner, Benedikt Becker, Wolfgang Behrenz, Bernhard Homeyer
  • Patent number: 4863909
    Abstract: New arthropodicidal synergistic mixtures comprising the known active compounds (I) the pyrethroid: .alpha.-cyano-3-phenoxy-4-fluoro-benzyl 2,2-dimethyl-3-dichlorovinyl-cyclopropanecarboxylate or .alpha.-cyano-3-phenoxybenzyl 2,2-dimethyl-3-dibromovinyl-cyclopropanecarboxylate (decamethrine) and (II) 0,0-dimethyl 0-2,2-dichlorovinyl phosphate (dichlorvos) and (III), if desired, 0-isopropoxyphenyl N-methylcarbamate (propoxur). The novel mixtures are particularly suitable for use in aerosols and oil sprays.
    Type: Grant
    Filed: February 13, 1985
    Date of Patent: September 5, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Behrenz, Manfred Schutte
  • Patent number: 4863937
    Abstract: Pest-combating agents, especially as insecticides, which are 1-arylpyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or halogenoalkyl,R.sup.2 represents alkyl, halogenoalkyl, optionally substituted aralkyl or optionally substituted aryl,R.sup.3 represents hydrogen, alkyl or halogenoalkyl,R.sup.4 represents alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkinyl or in each case optionally substituted aryl or heteroaryl,X represents oxygen, sulphur or an N-alkyl radical,Ar represents in each case optionally substituted phenyl or pyridyl,m represents a number 0 or 1 andn represents a number 0, 1 or 2,have been found.
    Type: Grant
    Filed: July 22, 1988
    Date of Patent: September 5, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhold Gehring, Uta Korte-Jensen, Otto Schallner, Jorg Stetter, Benedikt Becker, Wolfgang Behrenz, Bernhard Homeyer, Wilhelm Stendel
  • Patent number: 4845131
    Abstract: A method of combating clothes moths which comprises placing adjacent clothes to be protected from said moths or placing in a container for storing such clothes a clothes-moth-combatting effective amount of isoborneol of the formula ##STR1##
    Type: Grant
    Filed: March 18, 1988
    Date of Patent: July 4, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Behrenz, Gianfranco Salvetti
  • Patent number: 4839390
    Abstract: A method of combating arthropods and nematodes which comprises applying thereto, to a habitat thereof or to an area from which they are to be excluded an arthropodicidally or nematocidally effective amount of at least one long-chain halogenoolefine of the formula (I) ##STR1## in which R represents a straight-chain or branched alkyl radical with 8 to 25 carbon atoms in the straight chain, the alkyl radical optionally being interrupted once or several times by a --C.tbd.C-- and/or ##STR2## in which Z and Z.sup.1 are identical or different and represent hydrogen or methyl andR.sup.1 represents hydrogen, alkyl or halogen.Those compounds are new wherein R has at least 12 carbon atoms in the straight chain.
    Type: Grant
    Filed: May 8, 1987
    Date of Patent: June 13, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Naumann, Benedikt Becker, Wolfgang Behrenz, Bernhard Homeyer, Wilhelm Stendel
  • Patent number: 4826867
    Abstract: Insecticidally and acaricidally active novel 1-aryl-3-tert.-butyl-pyrazoles of the formula ##STR1## in which R.sup.1 represents nitro or halogen,R.sup.2 represents halogen or the --NR.sup.3 R.sup.4 group, and also may represent hydrogen when R.sup.1 denotes halogen,whereR.sup.3 represents hydrogen, in each case optionally substituted alkyl, alkenyl or alkinyl, and in each case optionally substituted cycloalkyl or cycloalkylalkyl andR.sup.4, independently of R.sup.3, represents the same radicals as R.sup.3l , and, in addition, a ##STR2## radical, where X represents oxygen or sulphur andR.sup.5 represents hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, alkoxyalkyl, alkylthioalkyl, optionally substituted cycloalkyl, optionally substituted aryl, alkoxy, alkylthio, optionally substituted aryloxy, optionally substituted arylthio, alkylamino, dialkylamino or optionally substituted arylamino; andAr represents optionally substituted phenyl, apart from dinitrophenyl, or optionally substituted pyridyl.
    Type: Grant
    Filed: August 25, 1987
    Date of Patent: May 2, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uta Jensen-Korte, Reinhold Gehring, Otto Schallner, Jorg Stetter, Benedikt Becker, Wolfgang Behrenz, Wilhelm Stendel
  • Patent number: 4820725
    Abstract: 1-Aryl-pyrazole of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or halogenoalkyl,R.sup.2 represents alkyl, halogenoalkyl or in each case optionally substituted aralkyl or aryl,R.sup.3 represents hydrogen or halogen,Ar represents optionally substituted phenyl or pyridyl, andn represents the number 0, 1 or 2,the 1-aryl-pyrazole being useful in agents for combating pests.
    Type: Grant
    Filed: August 4, 1986
    Date of Patent: April 11, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uta Jensen-Korte, Reinhold Gehring, Otto Schallner, Jorg Stetter, Heinz-Jurgen Wroblowsky, Benedikt Becker, Wilhelm Stendel, Berhard Homeyer, Wolfgang Behrenz
  • Patent number: 4820735
    Abstract: Novel insecticidally and acarididally active vinylcyclopropanecarboxylic acid esters of the formula ##STR1## in which R represents alkylthio, alkylsulphinyl, alkylsulphonyl,amino, monoalkylamino or dialkylamino, and whereinX and Y either simultaneously represent halogen orX and Y simultaneously represent alkyl, or in whichX represents CF.sub.3,Y represents Cl and,R simultaneously represents methylmercapto.The alcohols of such esters are also new.
    Type: Grant
    Filed: August 18, 1987
    Date of Patent: April 11, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Naumann, Rudolf Braden, Wolfgang Behrenz, Benedikt Becker, Bernhard Homeyer, Wilhelm Stendel
  • Patent number: 4810720
    Abstract: Insecticidally active 1-aryl-pyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or haloalkyl,R.sup.2 represents alkyl, alkenyl, alkinyl, cycloalkyl, haloalkyl, haloalkenyl, alkoxyalkyl, alkylthioalkyl, alkylsulphinylalkyl, alkylsulphonylalkyl, optionally substituted aralkyl or optionally substituted aryl,R.sup.3 represents alkyl, haloalkyl, cycloalkyl or optionally substituted aryl,Ar represents subsituted phenyl, with the exception of the 4-nitrophenyl radical or the 2,4-dinitrophenyl radical, or represents optionally substituted pyridyl, andn represents a number 0, 1 or 2.
    Type: Grant
    Filed: December 30, 1986
    Date of Patent: March 7, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uta Jensen-Korte, Otto Schallner, Jorg Stetter, Heinz-Jurgen Wroblowsky, Wilhelm Stendel, Benedikt Becker, Bernhard Homeyer, Wolfgang Behrenz