Patents by Inventor Gerd Kleefeld
Gerd Kleefeld 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: 9771389Abstract: The present invention relates to new macrolide derivatives, in particular new tylosin derivatives of the formula (IIa), a pharmaceutical or veterinary composition comprising the derivatives; a method for preparation thereof; a method for treating and/or preventing bacterial infections in an animal, wherein the method comprises administering the derivatives or the composition; and a use of the derivatives for the manufacture of medicaments for treating and/or preventing bacterial infections in an animal.Type: GrantFiled: May 23, 2014Date of Patent: September 26, 2017Assignees: THE KITASAKO INSTITUTE, BAYER ANIMAL HEALTH GMBHInventors: Gerd Kleefeld, Robrecht Froyman, Carolin Ludwig, Satoshi Omura, Toshiaki Sunazuka, Hirose Tomoyasu, Sugawara Akihiro, Shiomi Kazuro
-
Patent number: 9593140Abstract: The present invention relates to new macrolide derivatives, in particular new tylosin derivatives of the formula (I); a pharmaceutical or veterinary composition comprising the derivatives; a method for preparation thereof; a method for treating and/or preventing bacterial infections in an animal, wherein the method comprises administering the derivatives or the composition; and a use of the derivatives for the manufacture of medicaments for treating and/or preventing bacterial infections in an animal.Type: GrantFiled: November 21, 2012Date of Patent: March 14, 2017Assignee: BAYER INTELLECTUAL PROPERTY GMBHInventors: Gerd Kleefeld, Robrecht Froyman, Julia Charlotte Dörner, Carolin Ludwig, Omura Satoshi, Sunazuka Toshiaki, Hirose Tomoyasu, Sugawara Akihiro, Shiomi Kazuro
-
Publication number: 20160108077Abstract: The present invention relates to new macrolide derivatives, in particular new tylosin derivatives of the formula (IIa), a pharmaceutical or veterinary composition comprising the derivatives; a method for preparation thereof; a method for treating and/or preventing bacterial infections in an animal, wherein the method comprises administering the derivatives or the composition; and a use of the derivatives for the manufacture of medicaments for treating and/or preventing bacterial infections in an animal.Type: ApplicationFiled: May 23, 2014Publication date: April 21, 2016Applicants: THE KITASAKO INSTITUTE, BAYER ANIMAL HEALTH GMBHInventors: Gerd KLEEFELD, Robrecht FROYMAN, Carolin LUDWIG, Satoshi OMURA, Toshiaki SUNAZUKA, Hirose TOMOYASU, Sugawara AKIHIRO, Shiomi KAZURO
-
Publication number: 20140349954Abstract: The present invention relates to new macrolide derivatives, in particular new tylosin derivatives of the formula (I); a pharmaceutical or veterinary composition comprising the derivatives; a method for preparation thereof; a method for treating and/or preventing bacterial infections in an animal, wherein the method comprises administering the derivatives or the composition; and a use of the derivatives for the manufacture of medicaments for treating and/or preventing bacterial infections in an animal.Type: ApplicationFiled: November 21, 2012Publication date: November 27, 2014Inventors: Gerd Kleefeld, Robrecht Froyman, Julia Charlotte Dörner, Carolin Ludwig, Satoshi Omura, Sunazuka Toshiaki, Hirose Tomoyasu, Sugawara Akihiro, Shiomi Kazuro
-
Patent number: 7122506Abstract: The invention relates to novel cyclic imines of the formula (I) in which Ar1 and Ar2 each represent substituted phenyl and n represents 1, 2, or 3, to a plurality of processes for their preparation and to their use as pesticides.Type: GrantFiled: January 30, 2004Date of Patent: October 17, 2006Assignee: Bayer AktiengesellschaftInventors: Andrew Plant, Gerd Kleefeld, Thorsten Pötter, Christoph Erdelen, Norbert Mencke, Andreas Turberg, Ulrike Wachendorff-Neumann
-
Publication number: 20040186287Abstract: The invention relates to novel cyclic imines of the formula (I) 1Type: ApplicationFiled: January 30, 2004Publication date: September 23, 2004Inventors: Andrew Plant, Gerd Kleefeld, Thorsten Potter, Christoph Erdelen, Norbert Mencke, Andreas Turberg, Ulrike Wachendorff-Neumann
-
Patent number: 6770595Abstract: The invention relates to novel cyclic imines of the formula (I) in which Ar1 and Ar2 each represent substituted phenyl and n represents 1, 2 or 3, to a plurality of processes for their preparation and to their use as pesticides.Type: GrantFiled: December 19, 2001Date of Patent: August 3, 2004Assignee: Bayer AktiengesellschaftInventors: Andrew Plant, Gerd Kleefeld, Thorsten Pötter, Christoph Erdelen, Norbert Mencke, Andreas Turberg, Ulrike Wachendorff-Neumann
-
Publication number: 20020151571Abstract: The invention relates to novel cyclic imines of the formula (I) 1Type: ApplicationFiled: December 19, 2001Publication date: October 17, 2002Inventors: Andrew Plant, Gerd Kleefeld, Thorsten Potter, Christoph Erdelen, Norbert Mencke, Andreas Turberg, Ulrike Wachendorff-Neumann
-
Patent number: 6399771Abstract: The invention relates to novel cyclic imines of the formula (I) in which Ar1 and Ar2 each represent substituted phenyl and n represents 1, 2 and 3, to a plurality of processes for their preparation and to their use as pesticides.Type: GrantFiled: September 9, 2000Date of Patent: June 4, 2002Assignee: Bayer AktiengesellschaftInventors: Andrew Plant, Gerd Kleefeld, Thorsten Pötter, Christoph Erdelen, Norbert Mencke, Andreas Turberg, Ulrike Wachendorff-Neumann
-
Patent number: 6335325Abstract: The present application relates to novel acylated 4-amino-pyridine derivatives in which R1, R2, R3, R4, A, X1, X2, m and n are as defined in the description, to process for their separation and to their use for controlling animal pests and as fungicides.Type: GrantFiled: May 9, 2000Date of Patent: January 1, 2002Assignee: Bayer AktiengesellschaftInventors: Thomas Bretschneider, Markus Heil, Bernd Alig, Gerd Kleefeld, Christoph Erdelen, Andreas Turberg, Norbert Mencke
-
Patent number: 6274613Abstract: The invention relates to novel cyclic imines of the formula (I) in which Ar1 and Ar2 each represent substituted phenyl and n represents 1, to a process for their preparation and to their use as pesticides.Type: GrantFiled: May 11, 1999Date of Patent: August 14, 2001Assignee: Bayer AktiengesellschaftInventors: Andrew Plant, Gerd Kleefeld, Thorsten Pötter, Christoph Erdelen, Norbert Mencke, Andreas Turberg, Ulrike Wachendorff-Neumann
-
Patent number: 6051589Abstract: The invention relates to novel diphenyloxazoline derivatives of the formula (I) ##STR1## in which a) A represents tri- to pentasubstituted phenyl andB represents substituted phenyl orb) A represents mono- or disubstituted phenyl andB represents at least trisubstituted phenyl, but where at least one substituent is not fluorine, chlorine, bromine, C.sub.1 -C.sub.6 -alkyl or -alkoxy,to a number of processes for their preparation and to their use as pest control agents.Type: GrantFiled: July 9, 1996Date of Patent: April 18, 2000Assignee: Bayer AktiengesellschaftInventors: Johannes Kanellakopulos, Gerd Kleefeld, Udo Kraatz, Ulrike Wachendorff-Neumann, Christoph Erdelen, Andreas Turberg, Norbert Mencke
-
Patent number: 6013804Abstract: The present invention relates to 1,3,4-oxadiazolin-2-ones of the formula (I) ##STR1## in which Ar.sup.1 represents optionally substituted phenyl andAr.sup.2 represents optionally substituted biphenyl,to processes for their preparation and to their use for controlling animal pests.Type: GrantFiled: February 20, 1998Date of Patent: January 11, 2000Assignee: Bayer AktiengesellschaftInventors: Gerd Kleefeld, Ulrike Wachendorff-Neumann
-
Patent number: 5883091Abstract: The invention relates to new 1,3,4-oxadiazine derivatives of the formula (I) ##STR1## in which Ar.sup.1 represents in each case optionally substituted aryl or hetaryl,Ar.sup.2 represents in each case optionally substituted aryl or hetaryl andX represents the group --(CHR.sup.1).sub.m --(CHR.sup.2).sub.n in whichR.sup.1 represents hydrogen or alkyl,R.sup.2 represents hydrogen or alkyl,m represents 0 or 1 andn represents 0 or 1,to a plurality of processes for their preparation, and to their use for combating animal pests.Type: GrantFiled: June 6, 1997Date of Patent: March 16, 1999Assignee: Bayer AktiengesellschaftInventors: Gerd Kleefeld, Johannes Kanellakopulos, Ulrike Wachendorff-Neumann
-
Patent number: 5412100Abstract: Fungicidal substituted acrylic esters of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or alkenyl, or represents in each case optionally substituted aralkyl, aralkenyl, aryl or heteroaryl,R.sup.2 represents halogen, cyano, nitro, formyl, halogenoalkyl, alkoxyalkyl or alkylthioalkyl, or represents hydroximinoalkyl, alkoximinoalkyl, N-alkyliminoalkyl, N-aryliminoalkyl or N,N-dialkylhydrazonoalkyl, or represents alkoxy, alkylthio, halogenoalkoxy or halogenoalkylthio, or represents aryloxy or arylthio, or represents alkanoyl, alkoxycarbonyl, N,N-dialkylcarbamoyl or heterocyclylcarbonyl,R.sup.3 represents alkyl, or represents optionally substituted aralkyl,R.sup.4 represents dialkylamino or represents a radical --Z--R.sup.5,X represents oxygen or sulphur andY represents oxygen or sulphur or represents a radical ##STR2## where R.sup.5 represents alkyl or represents optionally substituted aralkyl,R.sup.Type: GrantFiled: July 1, 1993Date of Patent: May 2, 1995Assignee: Bayer AktiengesellschaftInventors: Alexander Klausener, Gerd Kleefeld, Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler
-
Patent number: 5322949Abstract: Fungicidal thiadiazole-substituted acrylic acid esters of the formula ##STR1## in which R.sup.1 represents hydrogen, unsubstituted or substituted alkyl or alkenyl, or in each case unsubstituted or substituted aralkyl, aralkenyl, aryl or heteroaryl,R.sup.2 represents alkyl,R.sup.3 represents dialkylamino or a radical --Z--R.sup.4,Y represents oxygen, sulphur or a radical ##STR2## R.sup.4 represents alkyl or unsubstituted or substituted aralkyl, R.sup.5 represents hydrogen or alkyl andZ represents oxygen or sulphur.Type: GrantFiled: October 6, 1992Date of Patent: June 21, 1994Assignee: Bayer AktiengesellschaftInventors: Ulrich Heinemann, Gerd Kleefeld, Stefan Dutzmann, Gerd Hanssler
-
Patent number: 5310919Abstract: Fungicidal pyridyl-substituted acrylic esters of the formula ##STR1## in which R.sup.1 represents alkyl or represents optionally substituted aralkyl,R.sup.2 represents dialkylanino or represents a radical --Z--R.sup.3,X represents oxygen or sulphur or represents a radical ##STR2## and Py represents optionally substituted pyridyl, whereR.sup.3 represents alkyl or represents optionally substituted aralkyl,R.sup.4 represents hydrogen, alkyl or alkanoyl or represents in each case optionally substituted aralkyl or aryl andZ represents oxygen or sulphur, their geometric isomers and isomer mixtures.Type: GrantFiled: January 31, 1992Date of Patent: May 10, 1994Assignee: Bayer AktiengesellschaftInventors: Alexander Klausener, Gerd Kleefeld, Dieter Berg, Stefan Dutzmann, Gerd Hanssler
-
Patent number: 5266586Abstract: Fungicidal trazoles of the formula ##STR1## in which Ar stands for optionally substituted aryl,A stands for the groups ##STR2## and X stands for the groups ##STR3## wherein R.sup.1 stands for hydrogen or alkyl,R.sup.2 stands for hydrogen or alkyl,R.sup.3 stands for hydrogen, alkyl, alkenyl, alkanoyl, for optionally substituted cycloalkyl or for in each case optionally substituted aralkyl or aroyl,R.sup.4 stands for hydrogen, alkyl, for optionally substituted cycloalkyl or for in each case optionally substituted aralkyl or aryl andR.sup.5 and R.sup.6 independently of one another stand for alkyl or for optionally substituted aralkyl or together stand for an optionally substituted doubly-linked alkylene radical,and addition products thereof with acids and metal salts.Type: GrantFiled: May 14, 1992Date of Patent: November 30, 1993Assignee: Bayer AktiengesellschaftInventors: Gerd Kleefeld, Stefan Dutzmann
-
Patent number: 5254693Abstract: Fungicidal substituted acrylic esters of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or alkenyl, or represents in each case optionally substituted aralkyl, aralkenyl, aryl or heteroaryl,R.sup.2 represents halogen, cyano, nitro, formyl, halogenoalkyl, alkoxyalkyl or alkylthioalkyl, or represents hydroximinoalkyl, alkoximinoalkyl, N-alkyliminoalkyl, N-aryliminoalkyl or N,N-dialkylhydrazonoalkyl, or represents alkoxy, alkylthio, halogenoalkoxy or halogenoalkylthio, or represents aryloxy or arylthio, or represents alkanoyl, alkoxycarbonyl, N,N-dialkylcarbamoyl or heterocyclylcarbonyl,R.sup.3 represents alkyl, or represents optionally substituted aralkyl,R.sup.4 represents dialkylamino or represents a radical --Z--R.sup.5,X represents oxygen or sulphur andY represents oxygen or sulphur or represents a radical ##STR2## where R.sup.5 represents alkyl or represents optionally substituted aralkyl,R.sup.Type: GrantFiled: November 5, 1991Date of Patent: October 19, 1993Assignee: Bayer AktiengesellschaftInventors: Alexander Klausener, Gerd Kleefeld, Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler
-
Patent number: 5207817Abstract: Herbicidal 5H-furan-2-one derivatives of the formula ##STR1## in which X represents the radical OR.sup.1 or the radical ##STR2## q represents the number 0 or 1, R.sup.2 is optionally substituted aryl, andR.sup.3 and R.sup.6 are hydrogen or various organic radicals,with certain provisos and exceptions.Type: GrantFiled: October 17, 1991Date of Patent: May 4, 1993Assignee: Bayer AktiengesellschaftInventors: Wolfgang Kramer, Gerd Kleefeld, Jurgen Bachmann, Peter Babczinski, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt