Inventor
LEHR STEFAN
DE101 patents
⚠️ This page may combine multiple inventors who share the name “LEHR STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
14 patentsUS6746989B1Jun 8, 2004
Substituted benzoylpyrazoles as herbicides
BAYER AG18 citations93
US6284710B1Sep 4, 2001
Substituting 2-amino-4-alkylamino-1,3,5-triazine as herbicide
BAYER AG36 citations92
US6924251B1Aug 2, 2005
Substituted benzoylcyclohexandiones
BAYER AG14 citations84
US6838415B1Jan 4, 2005
Substituted benzoylisoxazoles and the use thereof as herbicides
BAYER AG19 citations84
US6806292B2Oct 19, 2004
Substituted imide derivatives
BAYER AG15 citations84
US6762152B1Jul 13, 2004
Substituted benzoyl ketones, methods for producing them and their use as herbicides
BAYER AG17 citations84
US6864219B2Mar 8, 2005
Substituted aryl ketones
BAYER AG4 citations63
US6825183B2Nov 30, 2004
Substituted benzoylcyclohexanediones for use as herbicides
BAYER AG5 citations63
US6610631B1Aug 26, 2003
Substituted aryl ketones
BAYER AG3 citations63
US6440903B1Aug 27, 2002
Substituted 2,4-diamino-1,3,5-triazines as herbicides
BAYER AG6 citations63
US6399541B1Jun 4, 2002
Substituted 2,4-diamino-1,3,5-triazines as herbicides
BAYER AG4 citations63
US12492173B2Dec 9, 2025
Herbicidal substituted N-tetrazolyl aryl carboxamides
BAYER AG0 citations62
US6756342B1Jun 29, 2004
Substituted thienocycloalk(en) ylamino -1,3,5-triazine
BAYER AG3 citations62
US6358886B1Mar 19, 2002
6-Substituted 2,4-diamino-1,3,5-triazine derivatives having at least two asymmetrically substituted carbon atoms, the production thereof, and their use as herbicides
BAYER AG2 citations62
BAYER CROPSCIENCE AG
13 patentsUS7897543B2Mar 1, 2011
Spiroketal-substituted cyclic ketoenols
BAYER CROPSCIENCE AG25 citations92
US7727933B2Jun 1, 2010
2-ethyl-4,6-dimethyl-phenyl-substituted spirocyclic tetramic acid derivatives
BAYER CROPSCIENCE AG21 citations92
US7420062B2Sep 2, 2008
Hetaryl-substituted pyrazolidindione derivatives with pesticidal characteristics
BAYER CROPSCIENCE AG20 citations92
US8013172B2Sep 6, 2011
Cycloalkylphenyl substituted cyclic ketoenols
BAYER CROPSCIENCE AG15 citations84
US7947704B2May 24, 2011
2,4,6-phenyl-substituted cyclic ketoenols
BAYER CROPSCIENCE AG10 citations84
US7932211B2Apr 26, 2011
4-(4-trifluoromethyl-3-thiobenzoyl)pyrazoles and their use as herbicides
BAYER CROPSCIENCE AG7 citations84
US7888285B2Feb 15, 2011
2,4,6-phenyl substituted cyclic ketoenols
BAYER CROPSCIENCE AG10 citations84
US7776791B2Aug 17, 2010
N-heterocyclyl phenyl-substituted cyclic ketoenols
BAYER CROPSCIENCE AG14 citations84
US7718186B2May 18, 2010
2-alkoxy-6-alkylphenyl-substituted spirocyclic tetramic acid derivatives
BAYER CROPSCIENCE AG11 citations84
US9949485B2Apr 24, 2018
Use of acylsulfonamides for improving plant yield
BAYER CROPSCIENCE AG2 citations72
US8039014B2Oct 18, 2011
3′-alkoxyspirocyclopentyl-substituted tetramic and tetronic acids
BAYER CROPSCIENCE AG5 citations63
US11178868B2Nov 23, 2021
Alkynyl-substituted 3-phenylpyrrolidine-2,4-diones and use thereof as herbicides
BAYER CROPSCIENCE AG0 citations62
US7943551B2May 17, 2011
3-cyclopropyl-4-(3-thiobenzoyl) pyrazoles and their use as herbicides
BAYER CROPSCIENCE AG2 citations62
FISCHER REINER
10 patentsUS8138119B2Mar 20, 2012
Alkoxyalkyl spirocyclic tetramic acids and tetronic acids
FISCHER REINER16 citations83
US8629084B2Jan 14, 2014
Iodine-phenyl-substituted cyclic cetoenols
FISCHER REINER4 citations73
US8410289B2Apr 2, 2013
Spirocyclic 3'-alkoxytetramic acids and-tetronic acids
FISCHER REINER5 citations73
US8435549B2May 7, 2013
Halogen alkoxy spirocyclic tetramic and tetronic acid derivatives
FISCHER REINER4 citations63
US8389443B2Mar 5, 2013
Geminal alkoxy/alkylspirocyclic substituted tetramate derivatives
FISCHER REINER3 citations63
US8173697B2May 8, 2012
Alkoxyalkyl-substituted cyclic keto-enols
FISCHER REINER4 citations63
US8168832B2May 1, 2012
2,4,6-trialkylphenyl substituted cyclopentane-1,3-dione
FISCHER REINER4 citations63
US8067458B2Nov 29, 2011
Alkoxyalkyl-substituted cyclic ketoenols
FISCHER REINER3 citations63
US8518985B2Aug 27, 2013
Haloalkylmethyleneoxyphenyl-substituted ketoenols
FISCHER REINER3 citations62
US8541617B2Sep 24, 2013
Cycloalkylphenyl substituted cyclic ketoenols
FISCHER REINER4 citations61
BRETSCHNEIDER THOMAS
3 patentsUS8946124B2Feb 3, 2015
Substituted 3-(biphenyl-3-yl)-8,8-difluoro-4-hydroxy-1-azaspiro[4.5]dec-3-en-2-ones for therapy and halogen-substituted spirocyclic ketoenols
BRETSCHNEIDER THOMAS3 citations63
US8318956B2Nov 27, 2012
Spiroheterocyclic tetronic acid derivatives
BRETSCHNEIDER THOMAS4 citations63
US9000189B2Apr 7, 2015
Biphenyl-substituted spirocyclic ketoenols
BRETSCHNEIDER THOMAS3 citations62
BAYER IP GMBH
2 patentsUS9204650B2Dec 8, 2015
N-(1,2,5-oxadiazol-3-yl)-, N-(1,3,4-oxadiazol-2-yl)-, N-(tetrazol-5-yl)-, and N-(triazol-5-yl) aryl carboxylic acid amides and use thereof as herbicides
BAYER IP GMBH9 citations82
US9226505B2Jan 5, 2016
4-substituted 1-phenylpyrazole-3-carboxylic acid derivatives as agents against abiotic plant stress
BAYER IP GMBH3 citations71
BAYER AGROCHEM KK
2 patentsKÖHN ARNIM
1 patentBRAUN RALF
1 patentANGERMANN ALFRED
1 patentBAYER CROPSCIENCE GMBH
1 patentMOSRIN MARC
1 patentHACKER ERWIN
1 patentShowing the top 50 of 101 patents by PatentIndex Score.